练习1

package workl;

public class workz {

    public static void main(String[] args) {
        int a=10;
        int b=20;
        int c;
        c=a;
        a=b;
        b=c;
        System.out.println(a);
        System.out.println(b);

    }

}

 

posted @ 2020-03-19 11:10  rookrisk  阅读(97)  评论(0)    收藏  举报