bittest.java

来自「《Java核心技术应用开发》电子工业出版社书籍源代码」· Java 代码 · 共 27 行

/**
 * 演示了位逻辑运算符的使用
 */
package sample;
public class BitTest {
  public static void main(String args[]) {
    String binary[] = {
      "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111",
      "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111"
    };
    int a = 3; // 0 + 2 + 1 or 0011 in binary
    int b = 6; // 4 + 2 + 0 or 0110 in binary
    int c = a | b;
    int d = a & b;
    int e = a ^ b;
    int f = (~a & b) | (a & ~b);
    int g = ~a & 0x0f;
    System.out.println(" a = " + binary[a]);
    System.out.println(" b = " + binary[b]);
    System.out.println(" a|b = " + binary[c]);
    System.out.println(" a&b = " + binary[d]);
    System.out.println(" a^b = " + binary[e]);
    System.out.println("~a&b|a&~b = " + binary[f]);
    System.out.println(" ~a = " + binary[g]);
 }
}