{"id":133,"date":"2017-04-03T20:36:00","date_gmt":"2017-04-03T12:36:00","guid":{"rendered":"https:\/\/cn1.club\/?p=133"},"modified":"2025-03-13T20:10:05","modified_gmt":"2025-03-13T12:10:05","slug":"%e5%9f%ba%e7%a1%80%e5%b7%a9%e5%9b%ba%e4%b8%80%e4%ba%9b%e7%bb%83%e4%b9%a0%e9%a2%98%e5%92%8c%e8%87%aa%e5%b7%b1%e5%81%9a%e5%87%ba%e7%9a%84%e6%ba%90%e7%a0%81","status":"publish","type":"post","link":"https:\/\/cn1.club\/?p=133","title":{"rendered":"[\u57fa\u7840\u5de9\u56fa]\u4e00\u4e9b\u7ec3\u4e60\u9898,\u548c\u81ea\u5df1\u505a\u51fa\u7684\u6e90\u7801"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >package lianxi;\n\n\/\/JAVA Project : day10(code *22   #index 701)   __Rick 2017\/3\/15 22:49\nimport java.io.BufferedReader;\nimport java.io.BufferedWriter;\nimport java.io.FileNotFoundException;\nimport java.io.FileReader;\nimport java.io.FileWriter;\nimport java.io.IOException;\nimport java.nio.channels.NetworkChannel;\nimport java.util.ArrayList;\nimport java.util.Random;\nimport java.util.Scanner;\n\nimport javax.swing.text.StyledEditorKit.BoldAction;\n\nimport org.omg.CORBA.INTERNAL;\nimport org.omg.CORBA.PUBLIC_MEMBER;\nimport org.omg.CosNaming.NamingContextExtPackage.AddressHelper;\n\npublic class String123 {\n\tpublic static void main(String&#091;] args) throws IOException {\n\t\t\/\/ =====================================================================\n\t\t\/\/ 1.HelloWorld\u6848\u4f8b\n\t\t\/\/ 2.\u5b9a\u4e498\u79cd\u53d8\u91cf\n\t\t\/\/ System.out.println(&quot;hello world&quot;);\n\t\t\/\/ int a =1;\n\t\t\/\/ byte b = 2;\n\t\t\/\/ short c = 3;\n\t\t\/\/ long d = 4;\n\t\t\/\/ double e = 3;\n\t\t\/\/ float f = 6;\n\t\t\/\/ char d1 = &#039;a&#039;;\n\t\t\/\/ boolean h = false;\n\t\t\/\/ =====================================================================\n\t\t\/\/ 1.\u4e09\u5143\u8fd0\u7b97\u7b26\u6c42\u4e24\u4e2a\u6570\u7684\u6700\u5927\u503c\n\t\t\/\/ int a = 10;\n\t\t\/\/ int b = 20;\n\t\t\/\/ int c =(a&gt;b)? a:b;\n\t\t\/\/ System.out.println(c);\n\t\t\/\/ #######################################################################\n\t\t\/\/ 2.\u4e09\u5143\u8fd0\u7b97\u7b26\u6c42\u4e09\u4e2a\u6570\u7684\u6700\u5927\u503c\n\t\t\/\/ int a = 40;\n\t\t\/\/ int b = 20;\n\t\t\/\/ int c = 30;\n\t\t\/\/ int d = (a&gt;b)?a:b;\n\t\t\/\/ int e = (c&gt;d)?c:d;\n\t\t\/\/ System.out.println(e);\n\t\t\/\/ #######################################################################\n\t\t\/\/ 3.\u952e\u76d8\u5f55\u5165\u7ec3\u4e60\u4e4b\u4e24\u4e2a\u6570\u636e\u6c42\u548c\n\t\t\/\/ Scanner sc = new Scanner(System.in);\n\t\t\/\/ System.out.println(&quot;\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u503c&quot;);\n\t\t\/\/ int a = sc.nextInt();\n\t\t\/\/ System.out.println(&quot;\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u503c&quot;);\n\t\t\/\/ int b = sc.nextInt();\n\t\t\/\/ int c = (a&gt;b)?a:b;\n\t\t\/\/ System.out.println(&quot;\u60a8\u8f93\u5165\u7684\u4e24\u4e2a\u503c:&quot;+a+&quot;,&quot;+b+&quot;\u5176\u4e2d\u6700\u5927\u7684\u662f:&quot;+c);\n\t\t\/\/ #######################################################################\n\t\t\/\/ 4.\u952e\u76d8\u5f55\u5165\u7ec3\u4e60\u4e4b\u83b7\u53d6\u4e09\u4e2a\u6570\u636e\u7684\u6700\u5927\u503c\n\t\t\/\/ Scanner sc = new Scanner(System.in);\n\t\t\/\/ System.out.println(&quot;\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u503c&quot;);\n\t\t\/\/ int a = sc.nextInt();\n\t\t\/\/ System.out.println(&quot;\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u503c&quot;);\n\t\t\/\/ int b = sc.nextInt();\n\t\t\/\/ System.out.println(&quot;\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u503c&quot;);\n\t\t\/\/ int c = sc.nextInt();\n\t\t\/\/ int d = (a &gt; b) ? a : b;\n\t\t\/\/ int e = (c &gt; d) ? c : d;\n\t\t\/\/ System.out.println(&quot;\u60a8\u8f93\u5165\u7684\u4e09\u4e2a\u503c:&quot; + a + &quot;,&quot; + b + &quot;,&quot; + c + &quot;\u5176\u4e2d\u6700\u5927\u7684\u662f:&quot; +\n\t\t\/\/ c);\n\t\t\/\/ =====================================================================\n\t\t\/\/ 1.if\u8bed\u53e5\u6c42\u4e24\u4e2a\u6570\u7684\u6700\u5927\u503c\n\t\t\/\/ int a = 12;\n\t\t\/\/ int b = 22;\n\t\t\/\/ if (a&gt;b) {\n\t\t\/\/ System.out.println(a);\n\t\t\/\/ }else {\n\t\t\/\/ System.out.println(b);\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 2.if\u8bed\u53e5\u5224\u65ad\u5206\u6570\u5bf9\u5e94\u7684\u7ea7\u522b\u300290\u4ee5\u4e0a\u662f\u4f18\u79c0\uff0c80-90\u662f\u826f\u597d\uff0c60-80\u662f\u53ca\u683c\uff0c60\u4ee5\u4e0b\u662f\u5dee\u3002\n\t\t\/\/ int fen = 80;\n\t\t\/\/ if (fen&gt;100||fen&lt;0) {\n\t\t\/\/ System.out.println(&quot;\u60a8\u7684\u5206\u6570\u4e0d\u6b63\u786e!&quot;);\n\t\t\/\/ }else if(fen&gt;=90&amp;&amp;fen&lt;100){\n\t\t\/\/ System.out.println(&quot;\u5b66\u4e60\u6210\u7ee9\u5c5e\u4e8e\u4f18\u79c0&quot;);\n\t\t\/\/ }else if(fen&gt;=80&amp;&amp;fen&lt;90){\n\t\t\/\/ System.out.println(&quot;\u5b66\u4e60\u6210\u7ee9\u5c5e\u4e8e\u826f\u597d&quot;);\n\t\t\/\/ }else if (fen&gt;=60&amp;&amp;fen&lt;80) {\n\t\t\/\/ System.out.println(&quot;\u5b66\u4e60\u6210\u7ee9\u5c5e\u4e8e\u521a\u53ca\u683c&quot;);\n\t\t\/\/ }else {\n\t\t\/\/ System.out.println(&quot;\u5b66\u6e23!&quot;);\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 3.switch\u8bed\u53e5\u8f93\u51fa\u6708\u4efd\u5bf9\u5e94\u7684\u5b63\u8282\u3002\n\t\t\/\/ int a = 1;\n\t\t\/\/ switch (a) {\n\t\t\/\/ case 1:\n\t\t\/\/ case 2:\n\t\t\/\/ case 12:\n\t\t\/\/ System.out.println(&quot;\u51ac\u5b63&quot;);\n\t\t\/\/ break;\n\t\t\/\/ case 3:\n\t\t\/\/ case 4:\n\t\t\/\/ case 5:\n\t\t\/\/ System.out.println(&quot;\u6625\u5b63&quot;);\n\t\t\/\/ break;\n\t\t\/\/ case 6:\n\t\t\/\/ case 7:\n\t\t\/\/ case 8:\n\t\t\/\/ System.out.println(&quot;\u590f\u5b63&quot;);\n\t\t\/\/ break;\n\t\t\/\/ case 9:\n\t\t\/\/ case 10:\n\t\t\/\/ case 11:\n\t\t\/\/ System.out.println(&quot;\u79cb\u5b63&quot;);\n\t\t\/\/ break;\n\t\t\/\/ default:\n\t\t\/\/ System.out.println(&quot;\u8f93\u5165\u7684\u6708\u4efd\u6709\u8bef&quot;);\n\t\t\/\/ break;\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 4.for\u5faa\u73af\u8f93\u51fa1-5\n\t\t\/\/ for (int i = 1; i &lt; 6; i++) {\n\t\t\/\/ System.out.println(i);\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 5.for\u5faa\u73af\u8f93\u51fa5-1\n\t\t\/\/ for (int i = 5; i &gt;0; i--) {\n\t\t\/\/ System.out.println(i);\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 6.for\u5faa\u73af\u6c421-100\u4e4b\u95f4\u7684\u548c\n\t\t\/\/ int sum=0;\n\t\t\/\/ for (int i = 1; i &lt;=100; i++) {\n\t\t\/\/ sum+=i;\n\t\t\/\/ }\n\t\t\/\/ System.out.println(&quot;1-100\u4e4b\u95f4\u7684\u548c:&quot;+sum);\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 7.\u6c421-100\u4e4b\u95f4\u7684\u5947\u6570\u548c\n\t\t\/\/ int sum =0;\n\t\t\/\/ for (int i = 1; i &lt;= 100; i++) {\n\t\t\/\/ if (i%2!=0) {\n\t\t\/\/ sum+=i;\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ System.out.println(&quot;1-100\u4e4b\u95f4\u7684\u5947\u6570\u548c&quot;+sum);\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 8.\u6253\u5370\u6c34\u4ed9\u82b1\u6570\n\t\t\/\/ for (int i = 100; i &lt; 1000; i++) {\n\t\t\/\/ int ge = i % 10;\n\t\t\/\/ int shi = i \/ 10 % 10;\n\t\t\/\/ int bai = i \/ 10 \/ 10 % 10;\n\t\t\/\/ if (ge * ge * ge + shi * shi * shi + bai * bai * bai == i) {\n\t\t\/\/ System.out.println(i);\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 9.\u7edf\u8ba1\u6c34\u4ed9\u82b1\u6570\u7684\u4e2a\u6570\n\t\t\/\/ int count = 0;\n\t\t\/\/ for (int i = 100; i &lt; 1000; i++) {\n\t\t\/\/ int ge = i%10;\n\t\t\/\/ int shi = i\/10%10;\n\t\t\/\/ int bai = i\/10\/10%10;\n\t\t\/\/ if (ge*ge*ge+shi*shi*shi+bai*bai*bai==i) {\n\t\t\/\/ count++;\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ System.out.println(&quot;\u6c34\u4ed9\u82b1\u6570:&quot;+count);\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 10.\u73e0\u7a46\u6717\u739b\u5cf0\u6848\u4f8b\n\t\t\/\/ *\u73e0\u7a46\u6717\u739b\u5cf0\u9ad8\u5ea6\u4e3a8848\u7c73\uff0c\u6709\u4e00\u5f20\u8db3\u591f\u5927\u7684\u7eb8\uff0c\u539a\u5ea6\u4e3a0.0001\u7c73\u3002\n\t\t\/\/ *\u8bf7\u95ee\uff0c\u6211\u6298\u53e0\u591a\u5c11\u6b21\uff0c\u53ef\u4ee5\u6298\u6210\u73e0\u7a46\u6717\u739b\u5cf0\u7684\u9ad8\u5ea6\n\t\t\/\/ int count=0;\n\t\t\/\/ for (double i = 0.0001; i &lt;=8848 ; i*=2) {\n\t\t\/\/ count++;\n\t\t\/\/ }\n\t\t\/\/ System.out.println(count+&quot;\u6b21&quot;);\n\t\t\/\/ #######################################################################\n\t\t\/\/ 1.\u731c\u6570\u5b57\u5c0f\u6e38\u620f\u3002\n\t\t\/\/ Scanner sc = new Scanner(System.in);\n\t\t\/\/ Random abc = new Random();\n\t\t\/\/ int Sj = abc.nextInt(101);\n\t\t\/\/ System.out.println(Sj);\n\t\t\/\/ for (;;) {\n\t\t\/\/ System.out.println(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u8981\u731c\u7684\u6570,\u8f93\u5165&#091;1000]\u9000\u51fa\u6e38\u620f&quot;);\n\t\t\/\/ int a = sc.nextInt();\n\t\t\/\/ if (a==1000) {\n\t\t\/\/ System.exit(1);\n\t\t\/\/ }else if (a&gt;Sj) {\n\t\t\/\/ System.out.println(&quot;\u60a8\u731c\u7684\u6570\u5b57\u6709\u4e9b\u5927\u4e86&quot;);\n\t\t\/\/ }else if (a&lt;Sj) {\n\t\t\/\/ System.out.println(&quot;\u60a8\u731c\u7684\u6570\u5b57\u6709\u4e9b\u5c0f\u4e86&quot;);\n\t\t\/\/ }else {\n\t\t\/\/ System.out.println(&quot;\u606d\u559c\u60a8\u731c\u5bf9\u4e86!&quot;);\n\t\t\/\/ System.exit(1);\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 2.\u904d\u5386\u6570\u7ec4\n\t\t\/\/ int&#091;] arr = new int &#091;2000];\n\t\t\/\/ for (int i = 0; i &lt; arr.length; i++) {\n\t\t\/\/ System.out.println(arr&#091;i]);\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 3.\u6c42\u6570\u7ec4\u7684\u6700\u5927\u503c(\u6700\u5c0f\u503c)\n\t\t\/\/ int&#091;] arr={100,200,300,20,199,200,300,999,1,0,9999};\n\t\t\/\/ int x=arr&#091;0];\n\t\t\/\/ for (int i = 0; i &lt; arr.length; i++) {\n\t\t\/\/ if (arr&#091;i]&gt;x) {\n\t\t\/\/ x=arr&#091;i];\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ System.out.println(&quot;\u6700\u5927\u503c:&quot;+x);\n\t\t\/\/ 4.\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\n\t\t\/\/ int&#091;]&#091;] arr=new int&#091;10]&#091;100];\n\t\t\/\/ for (int i = 0; i &lt; arr.length; i++) {\n\t\t\/\/ for (int j = 0; j &lt; arr&#091;i].length; j++) {\n\t\t\/\/ System.out.println(arr&#091;i]&#091;j]);\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ =====================================================================\n\t\t\/\/ 1.\u65b9\u6cd5\u7f16\u5199\u548c\u8c03\u7528-\u6c42\u4e24\u4e2a\u6570\u7684\u548c\n\t\t\/\/ int a=sum(10, 20);\n\t\t\/\/ System.out.println(a);\n\t\t\/\/\n\t\t\/\/ public static int sum (int a ,int b){\n\t\t\/\/ a+=b;\n\t\t\/\/ return a;\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 2.\u65b9\u6cd5\u7f16\u5199\u548c\u8c03\u7528-\u6c42\u4e24\u4e2a\u6570\u4e2d\u7684\u6700\u5927\u503c\n\t\t\/\/ int c= sum(100, 200);\n\t\t\/\/ System.out.println(c);\n\t\t\/\/ public static int sum(int a, int b) {\n\t\t\/\/ int c = (a &gt; b) ? a : b;\n\t\t\/\/ return c;\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 3.\u65b9\u6cd5\u7f16\u5199\u548c\u8c03\u7528-\u6c42\u4e24\u4e2a\u6570\u662f\u5426\u76f8\u7b49\n\t\t\/\/ System.out.println(ab(10, 10));\n\t\t\/\/ public static boolean ab(int a,int b ) {\n\t\t\/\/ if (a==b) {\n\t\t\/\/ return true;\n\t\t\/\/ }else {\n\t\t\/\/ return false;\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 4.\u65b9\u6cd5\u7f16\u5199\u548c\u8c03\u7528-\u6253\u5370\u6240\u6709\u7684\u6c34\u4ed9\u82b1\u6570\n\t\t\/\/ count();\n\t\t\/\/ public static void count() {\n\t\t\/\/ for (int i = 100; i &lt; 1000; i++) {\n\t\t\/\/ int ge = i % 10;\n\t\t\/\/ int shi = i \/ 10 % 10;\n\t\t\/\/ int bai = i \/ 10 \/ 10 % 10;\n\t\t\/\/ if (ge*ge*ge+shi*shi*shi+bai*bai*bai==i) {\n\t\t\/\/ System.out.println(i);\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 5.\u65b9\u6cd5\u7f16\u5199\u548c\u8c03\u7528-\u6253\u53701-n\n\t\t\/\/ sum(100);\n\t\t\/\/ public static void sum(int a){\n\t\t\/\/ for (int i = 1; i &lt;= a; i++) {\n\t\t\/\/ System.out.println(i);\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 6.\u65b9\u6cd5\u7f16\u5199\u548c\u8c03\u7528-\u6570\u7ec4\u904d\u5386\n\t\t\/\/ int&#091;] arr = new int&#091;100];\n\t\t\/\/ arr(arr);\n\t\t\/\/ public static void arr(int&#091;] a){\n\t\t\/\/ for (int i = 0; i &lt; a.length; i++) {\n\t\t\/\/ System.out.println(a&#091;i]);\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 7.\u65b9\u6cd5\u7f16\u5199\u548c\u8c03\u7528-\u6570\u7ec4\u6c42\u6700\u5927\u503c\n\t\t\/\/ int&#091;] arr ={100,2,222,333};\n\t\t\/\/ int max=abc(arr);\n\t\t\/\/ System.out.println(max);\n\t\t\/\/\n\t\t\/\/ public static int abc(int&#091;] a){\n\t\t\/\/ int max=a&#091;0];\n\t\t\/\/ for (int i = 0; i &lt; a.length; i++) {\n\t\t\/\/ if (a&#091;i]&gt;max) {\n\t\t\/\/ max=a&#091;i];\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ return max;\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 8.\u65b9\u6cd5\u7f16\u5199\u548c\u8c03\u7528-\u6c42\u6570\u7ec4\u7684\u548c\n\t\t\/\/ int&#091;] arr ={100,2,222,333};\n\t\t\/\/ System.out.println(aaa(arr));\n\t\t\/\/\n\t\t\/\/ public static int aaa(int&#091;] arr){\n\t\t\/\/ int sum=0;\n\t\t\/\/ for (int i = 0; i &lt; arr.length; i++) {\n\t\t\/\/ sum+=arr&#091;i];\n\t\t\/\/ }\n\t\t\/\/ return sum;\n\t\t\/\/ }\n\t\t\/\/ =====================================================================\n\t\t\/\/ 1.\u6253\u5370\u56de\u6587\u6570\u5b57 12321\n\t\t\/\/ for (int i = 10000; i &lt; 100000; i++) {\n\t\t\/\/ int ge = i % 10;\n\t\t\/\/ int shi = i \/ 10 % 10;\n\t\t\/\/ int bai = i \/ 10 \/ 10 % 10;\n\t\t\/\/ int qian = i \/ 10 \/ 10 \/ 10 % 10;\n\t\t\/\/ int wan = i \/ 10 \/ 10 \/ 10 \/ 10 % 10;\n\t\t\/\/ if (wan==ge&amp;&amp;shi==qian) {\n\t\t\/\/ System.out.println(i);\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 2.\u4e0d\u6b7b\u795e\u5154\u95ee\u9898\n\t\t\/\/\n\t\t\/\/ \/*\n\t\t\/\/ * \u9700\u6c42\uff1a\n\t\t\/\/ * \u6709\u4e00\u5bf9\u5154\u5b50\uff0c\u4ece\u51fa\u751f\u540e\u7b2c3\u4e2a\u6708\u8d77\u6bcf\u4e2a\u6708\u90fd\u751f\u4e00\u5bf9\u5154\u5b50\uff0c\u5c0f\u5154\u5b50\u957f\u5230\u7b2c\u4e09\u4e2a\u6708\u540e\u6bcf\u4e2a\u6708\u53c8\u751f\u4e00\u5bf9\u5154\u5b50\uff0c\n\t\t\/\/ * \u5047\u5982\u5154\u5b50\u90fd\u4e0d\u6b7b\uff0c\u95ee\u7b2c\u4e8c\u5341\u4e2a\u6708\u7684\u5154\u5b50\u5bf9\u6570\u4e3a\u591a\u5c11\uff1f\n\t\t\/\/ *\n\t\t\/\/ * \u89c4\u5f8b\uff1a\n\t\t\/\/ * \u7b2c\u4e00\u4e2a\u6708\uff1a1\n\t\t\/\/ * \u7b2c\u4e8c\u4e2a\u6708\uff1a1\n\t\t\/\/ * \u7b2c\u4e09\u4e2a\u6708\uff1a2\n\t\t\/\/ * \u7b2c\u56db\u4e2a\u6708\uff1a3\n\t\t\/\/ * \u7b2c\u4e94\u4e2a\u6708\uff1a5\n\t\t\/\/ * ...\n\t\t\/\/ *\n\t\t\/\/ * \u89c4\u5f8b\uff1a\u4ece\u7b2c\u4e09\u4e2a\u6708\u5f00\u59cb\uff0c\u6bcf\u4e2a\u6708\u7684\u5154\u5b50\u5bf9\u6570\u662f\u524d\u4e24\u4e2a\u6708\u7684\u5154\u5b50\u5bf9\u6570\u4e4b\u548c\u3002\n\t\t\/\/ * \u7b2c\u4e00\u4e2a\u6708\u548c\u7b2c\u4e8c\u4e2a\u6708\u7684\u5154\u5b50\u5bf9\u6570\u662f1\n\t\t\/\/ * \u5206\u6790\uff1a\n\t\t\/\/ * int&#091;] arr = new int&#091;20];\n\t\t\/\/ *\n\t\t\/\/ * arr&#091;0] = 1;\n\t\t\/\/ * arr&#091;1] = 1;\n\t\t\/\/ *\n\t\t\/\/ * arr&#091;2] = arr&#091;0] + arr&#091;1];\n\t\t\/\/ * arr&#091;3] = arr&#091;1] + arr&#091;2];\n\t\t\/\/ * arr&#091;4] = arr&#091;2] + arr&#091;3];\n\t\t\/\/ * ...\n\t\t\/\/ *\/\n\t\t\/\/ int&#091;] tu =new int&#091;20];\n\t\t\/\/ tu&#091;0]=1;\n\t\t\/\/ tu&#091;1]=1;\n\t\t\/\/ tu&#091;2]=2;\n\t\t\/\/ int a=0;\n\t\t\/\/ for (int i = 2; i &lt; tu.length; i++) {\n\t\t\/\/ tu&#091;i]=tu&#091;i-2]+tu&#091;i-1];\n\t\t\/\/ a=tu&#091;19];\n\t\t\/\/ }\n\t\t\/\/ System.out.println(&quot;\u7b2c\u4e8c\u5341\u4e2a\u6708,\u5154\u5b50\u7684\u6570\u91cf\u662f&quot;+a);\n\t\t\/\/ #######################################################################\n\t\t\/\/ 3.\u6c42\u6ee1\u8db3\u8981\u6c42\u7684\u6570\u7ec4\u5143\u7d20\u7684\u548c\u3002\u5982\u6570\u7ec4\u4e2d\u7684\u5947\u6570\u7684\u548c\u3002\n\t\t\/\/ int&#091;] a={123,111,222,333,444,555,5666,721};\n\t\t\/\/ int sum = 0;\n\t\t\/\/ for (int i = 0; i &lt; a.length; i++) {\n\t\t\/\/ if (a&#091;i]%2!=0) {\n\t\t\/\/ sum += a&#091;i];\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ System.out.println(sum);\n\t\t\/\/ * 4.\u8bc4\u59d4\u6253\u5206\u3002\n\t\t\/\/ \/*\n\t\t\/\/ * \u9700\u6c42\uff1a\u5728\u7f16\u7a0b\u7ade\u8d5b\u4e2d\uff0c\u67096\u4e2a\u8bc4\u59d4\u4e3a\u53c2\u8d5b\u7684\u9009\u624b\u6253\u5206\uff0c\u5206\u6570\u4e3a0-100\u7684\u6574\u6570\u5206\u3002\n\t\t\/\/ * \u9009\u624b\u7684\u6700\u540e\u5f97\u5206\u4e3a\uff1a\u53bb\u6389\u4e00\u4e2a\u6700\u9ad8\u5206\u548c\u4e00\u4e2a\u6700\u4f4e\u5206\u540e \u5176\u4f594\u4e2a\u9009\u624b\u7684\u5e73\u5747\u503c\u3002\n\t\t\/\/ * \u8bf7\u5199\u4ee3\u7801\u5b9e\u73b0\u3002(\u4e0d\u8003\u8651\u5c0f\u6570\u90e8\u5206)\n\t\t\/\/ *\n\t\t\/\/ * \u5206\u6790\uff1a\n\t\t\/\/ * A:\u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a6\u7684\u6570\u7ec4\u3002\n\t\t\/\/ * B:\u901a\u8fc7\u952e\u76d8\u5f55\u5165\u7684\u65b9\u5f0f\u7ed9\u51fa\u8bc4\u59d4\u7684\u5206\u6570\n\t\t\/\/ * C:\u5199\u65b9\u6cd5\u5b9e\u73b0\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6700\u5927\u503c\uff0c\u6700\u5c0f\u503c\n\t\t\/\/ * D:\u5199\u65b9\u6cd5\u5b9e\u73b0\u6570\u7ec4\u5143\u7d20\u7684\u6c42\u548c\n\t\t\/\/ * E:\u5e73\u5747\u5206\uff1a (\u548c-\u6700\u9ad8\u5206-\u6700\u4f4e\u5206)\/(arr.length-2)\n\t\t\/\/ * F:\u8f93\u51fa\u5206\u6570\u5373\u53ef\n\t\t\/\/ *\/\n\t\t\/\/ Scanner sc =new Scanner(System.in);\n\t\t\/\/ \/\/ * A:\u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a6\u7684\u6570\u7ec4\u3002\n\t\t\/\/ int&#091;] fen=new int&#091;5];\n\t\t\/\/ for (int i = 0; i &lt; fen.length; i++) {\n\t\t\/\/ \/\/ * B:\u901a\u8fc7\u952e\u76d8\u5f55\u5165\u7684\u65b9\u5f0f\u7ed9\u51fa\u8bc4\u59d4\u7684\u5206\u6570\n\t\t\/\/ System.out.println(&quot;\u8bf7\u4e3a\u7b2c&quot;+(i+1)+&quot;\u4f4d\u9009\u624b\u6253\u5206!&quot;);\n\t\t\/\/ int dafen = sc.nextInt();\n\t\t\/\/ fen&#091;i]=dafen;\n\t\t\/\/ }\n\t\t\/\/ System.out.println(&quot;\u8bc4\u5206\u4e2d: \u6700\u5927\u503c:&quot;+max(fen)+&quot;\u6700\u5c0f\u503c:&quot;+min(fen));\n\t\t\/\/ int ooo = (sum(fen)-max(fen)-min(fen)) \/5;\n\t\t\/\/ System.out.println(&quot;\u5e73\u5747\u5206=&quot;+ooo);\n\t\t\/\/\n\t\t\/\/ \/\/C:\u5199\u65b9\u6cd5\u5b9e\u73b0\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6700\u5927\u503c\n\t\t\/\/ public static int max(int&#091;] arr){\n\t\t\/\/ int a=arr&#091;0];\n\t\t\/\/ for (int i = 0; i &lt; arr.length; i++) {\n\t\t\/\/ if (arr&#091;i]&gt;a) {\n\t\t\/\/ a=arr&#091;i];\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ return a;\n\t\t\/\/ }\n\t\t\/\/ \/\/C:\u5199\u65b9\u6cd5\u5b9e\u73b0\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6700\u5c0f\u503c\n\t\t\/\/ public static int min(int&#091;] arr){\n\t\t\/\/ int a=arr&#091;0];\n\t\t\/\/ for (int i = 0; i &lt; arr.length; i++) {\n\t\t\/\/ if (arr&#091;i]&lt;a) {\n\t\t\/\/ a=arr&#091;i];\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/ return a;\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ \/\/D:\u5199\u65b9\u6cd5\u5b9e\u73b0\u6570\u7ec4\u5143\u7d20\u7684\u6c42\u548c\n\t\t\/\/ public static int sum(int&#091;] arr){\n\t\t\/\/ int sum = 0;\n\t\t\/\/ for (int i = 0; i &lt; arr.length; i++) {\n\t\t\/\/ sum+=arr&#091;i];\n\t\t\/\/ }\n\t\t\/\/ return sum;\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 5.\u6570\u7ec4\u5143\u7d20\u53cd\u8f6c\n\t\t\/\/ int&#091;] a={222,3,2,4,5,6,11};\n\t\t\/\/ for (int i = 0,x=a.length-1; i &lt; x; i++,x--) {\n\t\t\/\/ int temp = a&#091;i];\n\t\t\/\/ a&#091;i]=a&#091;x];\n\t\t\/\/ a&#091;x]=temp;\n\t\t\/\/ }\n\t\t\/\/ =====================================================================\n\t\t\/\/ 1.\u5b66\u751f\u7c7b\u7684\u5b9a\u4e49\u548c\u8c03\u7528\u3002\/\/\u8c03\u7528\u6210\u5458\u53d8\u91cf\uff0c\u8c03\u7528\u6210\u5458\u65b9\u6cd5\n\t\t\/\/ 2.\u624b\u673a\u7c7b\u7684\u5b9a\u4e49\u548c\u8c03\u7528\n\t\t\/\/ \/\/\u4ee5\u4e0a\u4e3a\u6807\u51c6\u7c7b\n\t\t\/\/ Student a =new Student();\n\t\t\/\/ a.setName(&quot;\u5c0f\u7ea2&quot;);\n\t\t\/\/ a.setAge(&quot;99&quot;);\n\t\t\/\/ a.eat();\n\t\t\/\/ System.out.println(a.name);\n\t\t\/\/ public class Student {\n\t\t\/\/ String name;\n\t\t\/\/ String age;\n\t\t\/\/\n\t\t\/\/ public Student() {\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ public Student(String name, String age) {\n\t\t\/\/ this.name = name;\n\t\t\/\/ this.age = age;\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ public String getName() {\n\t\t\/\/ return name;\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ public void setName(String name) {\n\t\t\/\/ this.name = name;\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ public String getAge() {\n\t\t\/\/ return age;\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ public void setAge(String age) {\n\t\t\/\/ this.age = age;\n\t\t\/\/ }\n\t\t\/\/ public void eat(){\n\t\t\/\/ System.out.println(&quot;\u6211\u53ea\u5403\u996d\u4e0d\u5b66\u4e60!&quot;);\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ =====================================================================\n\t\t\/\/ * 1.\u6a21\u62df\u7528\u6237\u767b\u5f55\n\t\t\/\/ A:\u5b9a\u4e49\u4e24\u4e2a\u5b57\u7b26\u4e32\u5bf9\u8c61\uff0c\u7528\u4e8e\u5b58\u50a8\u5df2\u7ecf\u5b58\u5728\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\n\t\t\/\/ * B:\u952e\u76d8\u5f55\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\n\t\t\/\/ * C:\u62ff\u952e\u76d8\u5f55\u5165\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u548c\u5df2\u7ecf\u5b58\u5728\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u8fdb\u884c\u6bd4\u8f83\n\t\t\/\/ * \u5982\u679c\u5185\u5bb9\u76f8\u540c\uff0c\u63d0\u793a\u767b\u5f55\u6210\u529f\n\t\t\/\/ * \u5982\u679c\u5185\u5bb9\u4e0d\u540c\uff0c\u63d0\u793a\u767b\u5f55\u5931\u8d25\uff0c\u5e76\u63d0\u793a\u8fd8\u6709\u51e0\u6b21\u673a\u4f1a\n\t\t\/\/ String zh =&quot;admin&quot;;\n\t\t\/\/ String mi =&quot;admin&quot;;\n\t\t\/\/ String jp = &quot;admin&quot;;\/\/\u952e\u76d8\n\t\t\/\/ String jpm = &quot;admin&quot;;\n\t\t\/\/ int a=3;\n\t\t\/\/ for (int i = 0; i &lt; 9999; i++) {\n\t\t\/\/ if (a&lt;=0) {\n\t\t\/\/ System.exit(1);\n\t\t\/\/ }else {\n\t\t\/\/ if (zh.equals(jp)&amp;&amp;mi.equals(jpm)) {\n\t\t\/\/ System.out.println(&quot;\u767b\u5165\u6210\u529f&quot;);\n\t\t\/\/ i=999999;\n\t\t\/\/ }else {\n\t\t\/\/ a--;\n\t\t\/\/ System.out.println(&quot;\u767b\u5165\u9519\u8bef!\u7528\u6237\u540d\u6216\u5bc6\u7801\u9519\u8bef,\u8fd8\u5269&quot;+(a+1)+&quot;\u6b21\u673a\u4f1a&quot;);\n\t\t\/\/\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ }\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ 2.\u5b57\u7b26\u4e32\u904d\u5386\n\t\t\/\/\n\t\t\/\/ String a =&quot;RICK&quot;;\n\t\t\/\/ for (int i = 0; i &lt; a.length(); i++) {\n\t\t\/\/ System.out.println(a.charAt(i));\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 3.\u5b57\u7b26\u4e32\u53cd\u8f6c\n\t\t\/\/ String a = &quot;RICK123&quot;;\n\t\t\/\/ for (int i = a.length()-1; i &gt;= 0; i--) {\n\t\t\/\/ System.out.println(a.charAt(i));\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 4.\u5224\u65ad\u662f\u5426\u4e3a\u5bf9\u79f0\u5b57\u7b26\u4e32\n\t\t\/\/ * \u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u662f\u5bf9\u79f0\u5b57\u7b26\u4e32\n\t\t\/\/ * \u4f8b\u5982&quot;abc&quot;\u4e0d\u662f\u5bf9\u79f0\u5b57\u7b26\u4e32\uff0c&quot;aba&quot;\u3001&quot;abba&quot;\u3001&quot;aaa&quot;\u3001&quot;mnanm&quot;\u662f\u5bf9\u79f0\u5b57\u7b26\u4e32\n\t\t\/\/ *\n\t\t\/\/ * \u5206\u6790\uff1a\n\t\t\/\/ * A:\u952e\u76d8\u5f55\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\n\t\t\/\/ * B:\u5199\u65b9\u6cd5\u5b9e\u73b0\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u662f\u5bf9\u79f0\u5b57\u7b26\u4e32\n\t\t\/\/ * \u628a\u5b57\u7b26\u4e32\u53cd\u8f6c\uff0c\u548c\u53cd\u8f6c\u524d\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u6bd4\u8f83\uff0c\u5982\u679c\u5185\u5bb9\u76f8\u540c\uff0c\u5c31\u8bf4\u660e\u662f\u5bf9\u79f0\u5b57\u7b26\u4e32\n\t\t\/\/ * C:\u8c03\u7528\u65b9\u6cd5\n\t\t\/\/ * D:\u8f93\u51fa\u7ed3\u679c\n\t\t\/\/ String jp =&quot;aaaa&quot;;\n\t\t\/\/ boolean abc = aaa(jp);\n\t\t\/\/ System.out.println(abc);\n\t\t\/\/ public static boolean aaa (String s){\n\t\t\/\/ StringBuilder sb = new StringBuilder(s);\n\t\t\/\/ sb.reverse();\n\t\t\/\/ String abc = sb.toString();\n\t\t\/\/ return abc.equals(s);\n\t\t\/\/ }\n\t\t\/\/ * 5.\u628a\u6307\u5b9a\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u9996\u5b57\u6bcd\u5927\u5199\uff0c\u5176\u4ed6\u5b57\u6bcd\u5c0f\u5199\u3002\u5982 name --&gt; Name\n\t\t\/\/ String a=&quot;abccc&quot;;\n\t\t\/\/ String a1=a.substring(0,1);\n\t\t\/\/ String a2=a.substring(1);\n\t\t\/\/ a1=a1.toUpperCase();\n\t\t\/\/ String abc = a1+a2;\n\t\t\/\/ System.out.println(abc);\n\t\t\/\/ #######################################################################\n\t\t\/\/ * 1.ArrayList\u5b58\u50a8\u5b57\u7b26\u4e32\u5e76\u904d\u5386\n\t\t\/\/ ArrayList&lt;String&gt; al = new ArrayList&lt;String&gt;();\n\t\t\/\/ al.add(&quot;aaa&quot;);\n\t\t\/\/ al.add(&quot;aa2a&quot;);\n\t\t\/\/ al.add(&quot;aa3a&quot;);\n\t\t\/\/ al.add(&quot;a4aa&quot;);\n\t\t\/\/ al.add(&quot;aa5a&quot;);\n\t\t\/\/ al.add(&quot;6aaa&quot;);\n\t\t\/\/ al.add(&quot;a7aa&quot;);\n\t\t\/\/ al.add(&quot;aaa8&quot;);\n\t\t\/\/ for (int i = 0; i &lt; al.size(); i++) {\n\t\t\/\/ System.out.println(al.get(i));\n\t\t\/\/ }\n\t\t\/\/ =====================================================================\n\t\t\/\/ * 2.ArrayList\u5b58\u50a8\u81ea\u5b9a\u4e49\u5bf9\u8c61\u5e76\u904d\u5386\n\t\t\/\/ Student a = new Student();\n\t\t\/\/ ArrayList&lt;Student&gt;al=new ArrayList&lt;Student&gt;();\n\t\t\/\/ a.name = &quot;hh&quot;;\n\t\t\/\/ a.age =&quot;uu&quot;;\n\t\t\/\/ al.add(a);\n\t\t\/\/ for (int i = 0; i &lt; al.size(); i++) {\n\t\t\/\/ Student abc = al.get(i);\n\t\t\/\/ System.out.println(abc.age+abc.name);\n\t\t\/\/ }\n\t\t\/\/ * 3.\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\n\t\t\/\/ null\n\t\t\/\/ =====================================================================\n\t\t\/\/ * 1.\u590d\u5236\u6587\u672c\u76845\u79cd\u65b9\u5f0f\n\t\t\/\/ A:\u5229\u7528\u57fa\u672c\u6d41\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\n\t\t\/\/ B:\u5229\u7528\u57fa\u672c\u6d41\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\n\t\t\/\/ C:\u5229\u7528\u7f13\u51b2\u6d41\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\n\t\t\/\/ D:\u5229\u7528\u7f13\u51b2\u6d41\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\n\t\t\/\/ E:\u5229\u7528\u7f13\u51b2\u6d41\u7684\u7279\u6709\u65b9\u6cd5\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\u4e32\n\t\t\/\/ * 2.\u628a\u96c6\u5408\u4e2d\u7684\u6570\u636e\u5199\u5230\u6587\u672c\u6587\u4ef6\n\t\t\/\/ * 3.\u628a\u6587\u672c\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u8bfb\u53d6\u5230\u96c6\u5408\n\t\t\/\/ A:\u5229\u7528\u57fa\u672c\u6d41\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\n\t\t\/\/ FileReader a = new\n\t\t\/\/ FileReader(&quot;F:\\\\eclipse\\\\workspace\\\\AAAdianzhao\\\\src\\\\lianxi\\\\String123.java&quot;);\n\t\t\/\/ FileWriter b = new FileWriter(&quot;D:\\\\yyyw.txt&quot;);\n\t\t\/\/ int aa;\n\t\t\/\/ while ((aa = a.read()) != -1) {\n\t\t\/\/ b.write(aa);\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ a.close();\n\t\t\/\/ b.close();\n\t\t\/\/ ---------------------------------------------------------------------\n\t\t\/\/ B:\u5229\u7528\u57fa\u672c\u6d41\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\n\t\t\/\/ FileReader a = new\n\t\t\/\/ FileReader(&quot;F:\\\\eclipse\\\\workspace\\\\AAAdianzhao\\\\src\\\\lianxi\\\\String123.java&quot;);\n\t\t\/\/ FileWriter b = new FileWriter(&quot;D:\\\\yyyB.txt&quot;);\n\t\t\/\/ char&#091;] ab = new char&#091;1024];\n\t\t\/\/ int aaa;\n\t\t\/\/ while ((aaa = a.read(ab))!=-1) {\n\t\t\/\/ b.write(ab,0,aaa);\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ a.close();\n\t\t\/\/ b.close();\n\t\t\/\/ ---------------------------------------------------------------------\n\t\t\/\/ C:\u5229\u7528\u7f13\u51b2\u6d41\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\n\t\t\/\/ BufferedReader a=new BufferedReader(new\n\t\t\/\/ FileReader(&quot;F:\\\\eclipse\\\\workspace\\\\AAAdianzhao\\\\src\\\\lianxi\\\\String123.java&quot;));\n\t\t\/\/ BufferedWriter b=new BufferedWriter(new FileWriter(&quot;d:\\\\aayy.txt&quot;));\n\t\t\/\/ int aaa;\n\t\t\/\/ while ((aaa=a.read())!=-1) {\n\t\t\/\/ b.write(aaa);\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ a.close();\n\t\t\/\/ b.close();\n\t\t\/\/ ---------------------------------------------------------------------\n\t\t\/\/ D:\u5229\u7528\u7f13\u51b2\u6d41\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\n\t\t\/\/ BufferedReader a=new BufferedReader(new\n\t\t\/\/ FileReader(&quot;F:\\\\eclipse\\\\workspace\\\\AAAdianzhao\\\\src\\\\lianxi\\\\String123.java&quot;));\n\t\t\/\/ BufferedWriter b=new BufferedWriter(new FileWriter(&quot;d:\\\\kkk.java&quot;));\n\t\t\/\/ int acc;\n\t\t\/\/ char&#091;] chs = new char&#091;2048];\n\t\t\/\/ while ((acc=a.read(chs))!=-1) {\n\t\t\/\/ b.write(chs,0,acc);\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ a.close();\n\t\t\/\/ b.close();\n\t\t\/\/ ---------------------------------------------------------------------\n\t\t\/\/ E:\u5229\u7528\u7f13\u51b2\u6d41\u7684\u7279\u6709\u65b9\u6cd5\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\u4e32\n\t\t\/\/ \/\/BufferedReader a=new BufferedReader(new\n\t\t\/\/ FileReader(&quot;F:\\\\eclipse\\\\workspace\\\\AAAdianzhao\\\\src\\\\lianxi\\\\String123.java&quot;));\n\t\t\/\/ \/\/BufferedWriter b=new BufferedWriter(new\n\t\t\/\/ FileWriter(&quot;D:\\\\III.JAVA&quot;));\n\t\t\/\/ String yuan =\n\t\t\/\/ &quot;F:\\\\eclipse\\\\workspace\\\\AAAdianzhao\\\\src\\\\lianxi\\\\String123.java&quot;;\n\t\t\/\/ String mu = &quot;D:\\\\III.JAVA&quot;;\n\t\t\/\/ copy(yuan, mu);\n\t\t\/\/ public static void copy (String yuan,String mu) throws IOException{\n\t\t\/\/ BufferedReader a=new BufferedReader(new FileReader(yuan));\n\t\t\/\/ BufferedWriter b=new BufferedWriter(new FileWriter(mu));\n\t\t\/\/ String ccc;\n\t\t\/\/ while ((ccc=a.readLine())!=null) {\n\t\t\/\/ b.write(ccc);\n\t\t\/\/ b.newLine();\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ a.close();\n\t\t\/\/ b.close();\n\t\t\/\/\n\t\t\/\/ }\n\t\t\/\/ #######################################################################\n\t\t\/\/\u628aArrayList\u96c6\u5408\u4e2d\u7684\u5b57\u7b26\u4e32\u6570\u636e\u5b58\u50a8\u5230\u6587\u672c\u6587\u4ef6\n\t\t\/\/ * \u6bcf\u4e00\u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\u4f5c\u4e3a\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u6570\u636e\n\t\t\/\/ *\n\t\t\/\/ * \u5206\u6790\uff1a\n\t\t\/\/ * A:\u521b\u5efa\u96c6\u5408\u5bf9\u8c61\n\t\t\/\/ * B:\u5f80\u96c6\u5408\u4e2d\u6dfb\u52a0\u5b57\u7b26\u4e32\u5143\u7d20\n\t\t\/\/ * C:\u521b\u5efa\u8f93\u51fa\u7f13\u51b2\u6d41\u5bf9\u8c61\n\t\t\/\/ * D:\u904d\u5386\u96c6\u5408\uff0c\u5f97\u5230\u6bcf\u4e00\u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\uff0c\u7136\u540e\u628a\u8be5\u5b57\u7b26\u4e32\u5143\u7d20\u4f5c\u4e3a\u6570\u636e\u5199\u5230\u6587\u672c\u6587\u4ef6\n\t\t\/\/ * E:\u91ca\u653e\u8d44\u6e90\n\t\t\/\/ ArrayList&lt;String&gt;al=new ArrayList&lt;String&gt;();\n\t\t\/\/ al.add(&quot;\u554a\u554a\u554a\u554a&quot;);\n\t\t\/\/ al.add(&quot;\u54c8\u54c8\u54c8&quot;);\n\t\t\/\/ BufferedWriter b = new BufferedWriter(new\n\t\t\/\/ FileWriter(&quot;D:\\\\UUII.JAVA&quot;));\n\t\t\/\/ for (int i = 0; i &lt; al.size(); i++) {\n\t\t\/\/ String abc = al.get(i);\n\t\t\/\/ b.write(abc);\n\t\t\/\/ b.newLine();\n\t\t\/\/ }\n\t\t\/\/ b.close();\n\t\t\/\/\n\t\t\/\/@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n\t\t\/\/\u7ed3\u5c3e\u7528\u5b57\u7b26\u4e32\u7f13\u51b2\u6d41Copy\u81f3D\u76d8\u6839\u76ee\u5f55\n\t\tBufferedReader a =new BufferedReader(new FileReader(&quot;F:\\\\eclipse\\\\workspace\\\\AAAdianzhao\\\\src\\\\lianxi\\\\String123.java&quot;));\n\t    BufferedWriter b =new BufferedWriter(new FileWriter(&quot;D:\\\\RICK-2017.03.15.JAVA&quot;));\n\t    String copy;\n\t    while ((copy=a.readLine())!=null) {\n\t\t\tb.write(copy);\n\t\t\tb.newLine();\n\t\t}\n\t    a.close();\n\t    b.close();\n\t    System.exit(1024);\n\t}\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":196,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"class_list":["post-133","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-xuexi"],"_links":{"self":[{"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=133"}],"version-history":[{"count":0,"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/133\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/media\/196"}],"wp:attachment":[{"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}