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package com.swift; import java.util.Random; import java.util.Scanner; public class GuessBigSmall { public static void main(String[] args) { Scanner scan= new Scanner(System.in); Random random = new Random(); int number = random.nextInt( 1000 ) + 1 ; for (;;) { System.out.println( "请输入猜的——正整数——数字:" ); int guessNumber=scan.nextInt(); if (guessNumber>number) { System.out.println( "猜大了。" ); continue ; } else if (guessNumber<number) { System.out.println( "猜小了。" ); continue ; } else { System.out.println( "恭喜,猜对了。" ); break ; } } } } |
另一种生成随机数方法
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package com.swift; import java.util.Scanner; public class GuessBigSmall2 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int number = ( int ) (Math.random() * 1000 + 1 ); for (;;) { System.out.println( "请输入猜的——正整数——数字:" ); int guessNumber = scan.nextInt(); if (guessNumber > number) { System.out.println( "猜大了。" ); continue ; } else if (guessNumber < number) { System.out.println( "猜小了。" ); continue ; } else { System.out.println( "恭喜,猜对了。" ); break ; } } } } |
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原文链接:http://www.cnblogs.com/qingyundian/p/7635295.html