20161207问题解析请点击今日问题下方的“【Java每日一题】20161208”查看
今日问题:
请问主程序能否正常运行输出结果?(点击以下“【Java每日一题】20161208”查看20161207问题解析)
题目原发布于公众号、简书:[url=http://mp.weixin.qq.com/s?__biz=MzI4ODEyMTgwMA==&mid=2650163294&idx=1&sn=03e8277cfffc9f7659fbd71d81a82340&chksm=f3c1def9c4b657ef9ce1b2b972c59536381fe56d346cc80e950a70cfe0506b27a6fb5b40a7c7#rd]【Java每日一题】20161208[/url],[url=http://www.jianshu.com/p/0b47d2045955]【Java每日一题】20161208[/url]
[img]https://img-blog.youkuaiyun.com/20161017115128961?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast[/img]
package Dec2016;
import java.util.List;
public class Ques1208 {
public static void add(List<? extends Number> list){
// 加入一个元素
list.add(123);
}
}
今日问题:
请问主程序能否正常运行输出结果?(点击以下“【Java每日一题】20161208”查看20161207问题解析)
题目原发布于公众号、简书:[url=http://mp.weixin.qq.com/s?__biz=MzI4ODEyMTgwMA==&mid=2650163294&idx=1&sn=03e8277cfffc9f7659fbd71d81a82340&chksm=f3c1def9c4b657ef9ce1b2b972c59536381fe56d346cc80e950a70cfe0506b27a6fb5b40a7c7#rd]【Java每日一题】20161208[/url],[url=http://www.jianshu.com/p/0b47d2045955]【Java每日一题】20161208[/url]
[img]https://img-blog.youkuaiyun.com/20161017115128961?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast[/img]