数组常见操作_猜数游戏

public class fortyNine {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        
        int[] sum = {10,20,21,34,65,76,6,87,98,20};
        System.out.println("猜数游戏开始!");
        System.out.println("请输入第一个数：");
        
        int value = input.nextInt();
        int num = 0;
        boolean  flag = false;
        
        for(int i = 0; i<sum.length; i++){
            if(value == sum[i]){
                num ++;
                flag = true;
            }
        }
        if(flag){
            System.out.println("恭喜你!你猜对了");
        }else{
            System.out.println("猜错了!继续努力");
        }
        System.out.println(value+"这个数存在于数组中"+num+"次");
    }

}