数列循环

import java.util.Scanner;

public class shuliexunhuan{

public static void main(String [] sgrs){

Scanner iuput = new Scanner(System.in);

System.out.print("输入一个数:");

int num = iuput.nextInt();

int [] shu = {8,4,2,1,23,344,12};

boolean has = false;

for(int i =0;i

if( shu [i] ==num){

has = true;

break;

}

}

if(has){

System.out.println("存在");

}else{

System.out.println("不存在");

}

}

}