class Test1_Operator {
	public static void main(String[] args) {
		//第一题-请分别计算出a,b,c的值?
		/*
		int a = 10;
		int b = 10;
		int c = 10;

		a = b++;			//a = 10  b = 11
		c = --a;            //c = 9   a = 9
		b = ++a;			//b = 10  a = 10
		a = c--;			//c = 8	  a = 9

		System.out.println("a = " + a + ",b = " + b + ",c = " + c);			// a =9 ,b = 10 ,c = 8

		*/
		//第二题-请分别计算出x,y的值?

		//int x = 4;
		//      y4x5, x6y10,x=6 y= 4 + 6 + 6 * 10    
		//int y = (x++)+(++x)+(x*10);


		//System.out.println("x =" +  x + " y = " + y );						//x = 6		y = 70


		//第三题-面试题

		//byte b = 10;
		//b++;			//b= (byte)(b + 1)
		//b = b + 1;
		//问哪句会报错,为什么
		//第三行会报错,在byte类型与int类型混合运算时会提升为int类型,两个int类型相加结果还是int类型,赋值给byte会损失精度.
	}
}