919-3

Code-The-Agriculture

于 2019-09-20 14:26:04 发布

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本文链接：https://blog.youkuaiyun.com/qq_45632420/article/details/101059538

版权

package September;

import java.util.HashSet;
import java.util.Random;
import java.util.Set;

public class Third {

public static void main(String[] args) {
	Set<Integer> set = new HashSet<Integer>();
	Random ran = new Random();
	while(true) {
		int num = ran.nextInt(8)+1;
		set.add(num);
		if(set.size()==7) {
			break;
		}
	}
	for(Integer i:set) {
		System.out.print( i );
	}

   }

}