operator2.java

《Java2程序设计实用教程(第2版)》课件

//位运算

public class Operator2
{
    public static void main( String args []) 
    {
        System.out.println("~4 = "+(~4)+", ~"+Integer.toBinaryString(4)+" = "+Integer.toBinaryString(~4));
        
        System.out.println("6 | 2 = "   + (6|2));
        System.out.println("4 & 2 = "   + (4&2));
        System.out.println("6 ^ 2 = "   + (6^2));
        System.out.println("1 << 2 = "  + (1<<2));
        
        System.out.println("-8>>2 = "+(-8>>2)+", "+Integer.toBinaryString(-8)+" >>2 = "+Integer.toBinaryString(-8>>2));
        System.out.println("-1>>>30 = "+(-1>>>30)+", "+Integer.toBinaryString(-1)+" >>>30 = "+Integer.toBinaryString(-1>>>30));
    }
}

/* 
程序运行结果如下：
~4 = -5, ~100 = 11111111111111111111111111111011
6 | 2 = 6
4 & 2 = 0
6 ^ 2 = 4
1 << 2 = 4
-8>>2 = -2, 11111111111111111111111111111000 >>2 = 11111111111111111111111111111110
-1>>>30 = 3, 11111111111111111111111111111111 >>>30 = 11

*/