override public override string ToString()中的override是什么意思?

override public override string ToString()中的override是什么意思? C#的中括号意思[DateTimeRange]public DateTime?PostTime{get{return _PostTime;}set{if (_PostTime = value){_PostTime = value;OnPropertyChanged(PostTime);}}}//public class DateTimeRange :ValidationAttribute{public override bool IsValid(object valu 请问这样的“|”写法是什么意思啊public class SubMenus extends SherlockActivity { @Override public boolean onCreateOptionsMenu(Menu menu) { SubMenu subMenu1 = menu.addSubMenu(Action Item); subMenu1.add(Sample); subMenu1.add(Menu); manual override是什么意思 manual override是什么意思 Java中的@Override是什么意思? Shortslot-Override是什么意思 这个代码中@Override public class HelloActivity extends Activity {/** Called when the activity is first created.*/@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);TextView tv = new TextView(this);tv.set public public public 里面的override什么意思 英语翻译Public shows of resentment pretty much spent themselves over the loyalty oath crises there is a growing concern over the matter among the general public . 什么意思 排列句子 you,a lot of,there,can,signs,see,public,over(?) Overall Control Score Override 怎么翻译啊? 2.overload、override、abstract分别是什么意思? override 方法必须覆盖另一方法