使用键盘输入配合随机数给出相应提示进行猜数字
public class RandomGame {
public static void main(String[] args) {
Random r = new Random();
int randomNum = r.nextInt( 100 ) + 1;
Scanner sc = new Scanner( System.in );
while (true) {
System.out.println( "请输入您猜测的数字:" );
//键盘输入猜测的数字
int guessNum = sc.nextInt();
if (guessNum > randomNum) {
System.out.println( guessNum + "数字太大!请重试。" );
} else if (guessNum < randomNum) {
System.out.println( guessNum + "数字太小!请重试。" );
} else {
System.out.println( "恭喜你,猜中了!" );
break;//如果猜中,不再重试
}
}
System.out.println( "游戏结束。" );
}
}
运行效果:

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