logictest.java

《Java核心技术应用开发》电子工业出版社书籍源代码

/**
 * Java中关系和逻辑运算符的使用
 */
package sample;
import java.util.*;
public class LogicTest{
  public static void main(String[] args){
    Random rand = new Random();
    int i = rand.nextInt()%100;
    int j = rand.nextInt()%100;
    System.out.println("i = " + i);
    System.out.println("j = " + j);
    System.out.println("i > j is " + (i > j));
    System.out.println("i < j is " + (i < j));
    System.out.println("i >= j is " + (i >= j));
    System.out.println("i <= j is " + (i <= j));
    System.out.println("i == j is " + (i == j));
    System.out.println("i != j is " + (i != j));
    System.out.println("(i < 10) && (j < 10) is "
      + ((i < 10) && (j < 10)) );
    System.out.println("(i < 10) || (j < 10) is "
      + ((i < 10) || (j < 10)) );
  }
}