relationalop.java

java语言与面向对象程序设计源程序

public class RelationalOp {
  public static void main(String[] args)
{ //定义若干整数
  int i = 37;
  int j = 42;
  int k = 42;
  System.out.println("变量数值：");
  System.out.println(" i = " + i);
  System.out.println(" j = " + j);
  System.out.println(" k = " + k);
  //大于
  System.out.println("大于：");
  System.out.println(" i > j = " + (i > j));	//false
  System.out.println(" j > i = " + (j > i)); //true
  System.out.println(" k > j = " + (k > j)); //false, they are equal
  //大于等于
  System.out.println("大于等于：");
  System.out.println(" i >= j = " + (i >= j)); //false
  System.out.println(" j >= i = " + (j >= i)); //true
  System.out.println(" k >= j = " + (k >= j)); //true
  //小于
  System.out.println("小于：");
  System.out.println(" i < j = " + (i < j)); //true
  System.out.println(" j < i = " + (j < i)); //false
  System.out.println(" k < j = " + (k < j)); //false
  //小于等于
  System.out.println("小于等于：");
  System.out.println(" i <= j = " + (i <= j)); //true
  System.out.println(" j <= i = " + (j <= i)); //false
  System.out.println(" k <= j = " + (k <= j)); //true
  //等于
  System.out.println("等于：");
  System.out.println(" i == j = " + (i == j)); //false
  System.out.println(" k == j = " + (k == j)); //true
  //不等于
  System.out.println("不等于：");
  System.out.println(" i != j = " + (i != j)); //true
  System.out.println(" k != j = " + (k != j)); //false
    }
}