简单啊 import java.util.Scanner; public class Test{ public static void main(String[] args){ int[] number=new int[]{11,87,91,23,41,43,13}; boolean tf=false; Scanner input=new Scanner(System.in); for(int a=0;a
public class MyClass { public static void main(String[]args) { int[]numbers={1,2,3,4,5,6,7,8,9,0}; int index = -1; //读入一个整数 int number= new java.util.Scanner(System.In).nextInt(); //先判断存在吗? for(int i=0;i