Java 按位、位移位运算符和原码、反码、补码

Java 按位、位移位运算符和原码、反码、补码

https://gist.github.com/tothis/c0a319d21db93e24e43776801ae86b77

public class BitTest {
    public static void main(String[] args) {
        
        System.out.println(4 & 6); // 4
        
        System.out.println(4 | 6); // 6
        
        System.out.println(4 ^ 6); // 2
        
        System.out.println(~15); // -16
        
        System.out.println(2 << 2); // 8
        
        System.out.println(8 >> 2); // 2
        
        System.out.println(-4 >>> 2); // 1073741823
        
        System.out.println(Integer.toBinaryString(1));
        System.out.println(Integer.toBinaryString(-1));
        // `0x` 十六进制、`0` 八进制、`0b` 二进制
        System.out.println(0b11111111_11111111_11111111_11111111);
    }
}