作业题

package com.qf.homework; //1、定义一个长度为10的数组，随机产生10个不重复的两位数，存放到数组中(注意：不能重复) import java.util.Random; import java.util.Scanner;

public class zuoye1 { public static void main(String[] args) { shuzu(); } public static void shuzu() {

	for (int i = 0; i < nums.length; i++) {
		
		Random r = new Random();

		int num =r.nextInt(90)+10;
		//判断的数是否存在
		if(isExsist(num,nums)) {
			i--;
		}else {
			nums[i]=num;
		}
		System.out.println(num+"\t");
	}
	
}
public static boolean isExsist(int num,int [] nums) {
	for (int i = 0; i < nums.length; i++) {
		if(num==nums[i]) {
			return true;
			
		}
	}
	return false;
}

}