relational.java

来自「Java 入门书的源码」· Java 代码 · 共 24 行

//Copyright (c) 1998, Arthur Gittleman
//This example is provided WITHOUT ANY WARRANTY either expressed or implied.

/*  Use relational expressions
 * and boolean variables
 */

public class Relational {
  public static void main(String [] args) {
    int i = 3;
    boolean result;

    result = (32 > 87);
    System.out.println(" (32 > 87) is " + result);
    result = (-20  == -20);
    System.out.println(" (-20 == -20) is " + result);
    result = -20 == -20;
    System.out.println(" -20 == -20 is " + result);
    result = -20 == -10 - 10;
    System.out.println(" -20 == -10 - 10 is " + result);
    System.out.println(" 16 <= 54 is " + (16 <= 54));
    System.out.println(" i != 3 is " + (i != 3));
  }
}