randomboolean.java

来自「java2应用开发指南第一版」· Java 代码 · 共 13 行

import java.util.*;

class RandomBoolean 
{
    public static void main(String[] args) 
{
        Random r = new Random();
        System.out.println( r.nextBoolean() );
        System.out.println( r.nextBoolean() );
        System.out.println( r.nextBoolean() );
    } 
}