{"id":105,"date":"2017-02-10T20:27:00","date_gmt":"2017-02-10T12:27:00","guid":{"rendered":"https:\/\/cn1.club\/?p=105"},"modified":"2025-03-13T20:14:08","modified_gmt":"2025-03-13T12:14:08","slug":"day2-%e5%8f%98%e9%87%8f%e7%9b%b8%e5%8a%a0%e5%92%8c%e5%b8%b8%e9%87%8f%e7%9b%b8%e5%8a%a0%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/cn1.club\/?p=105","title":{"rendered":"Day2  \u53d8\u91cf\u76f8\u52a0\u548c\u5e38\u91cf\u76f8\u52a0\u7684\u533a\u522b"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >class Test1_DataTypeComversion {\n\tpublic static void main(String&#091;] args) {\n\t\/\/\tSystem.out.println(&quot;Hello World!&quot;);\n\t\/\/\u9762\u8bd5\u9898:\u770b\u4e0b\u9762\u7684\u7a0b\u5e8f\u662f\u5426\u6709\u95ee\u9898,\u5982\u679c\u6709\u95ee\u9898,\u8bf7\u6307\u51fa\u5e76\u8bf4\u660e\u7406\u7531.\n\tbyte b1 = 3;\n\tbyte b2 = 6;\n\t\/\/byte b3 = b1 + b2;\n\t\/*\n\t\u4ece\u4e24\u65b9\u9762:\n\t1.byte\u4e0ebyte(\u6216short,char)\u8fdb\u884c\u8fd0\u7b97\u7684\u65f6\u5019\u4f1a\u63d0\u5347\u4e3a int,\u4e24\u4e2aint\u7c7b\u578b\u76f8\u52a0\u7684\u7ed3\u679c\u4e5f\u662fint\u7c7b\u578b\n\t2.b1\u548cb2\u662f\u4e24\u4e2a\u53d8\u91cf,\u53d8\u91cf\u5b58\u50a8\u7684\u503c\u662f\u53d8\u5316\u7684,\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u65e0\u6cd5\u5224\u65ad\u91cc\u9762\u5177\u4f53\u7684\u503c,\u76f8\u52a0\u6709\u53ef\u80fd\u4f1a\u8d85\u51fabyte\u7684\u53d6\u503c\n\t*\/\n\t\/\/System.out.println(b3);\n\t\/\/byte b4 = 3 + 4;\t\t\t\/\/jaba\u7f16\u8bd1\u5668\u6709\u5e38\u91cf\u4f18\u5316\u673a\u5236\n\tbyte b4 =7;\n\tSystem.out.println(b4);\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-105","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\/105","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=105"}],"version-history":[{"count":0,"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/105\/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=105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}