能具体说说static的用处吗?
54xx 2001-04-21 03:43:00
能具体说说static的用处吗?
**********Code1**********
class TstApp{
public static void main (String args[]){
Next_Level(args[0]);
}
public static void Next_Level(String Incoming_String){
System.out.println(Incoming_String);
}
}
通不过编译
**********Code2**********
class TstApp{
public static void main (String args[]){
TstApp xx=new TstApp();
Next_Level(args[0]);
}
public static void Next_Level(String Incoming_String){
System.out.println(Incoming_String);
}
}
通过
**********Code3**********
class TstApp{
public TstApp(){
Next_Level("54xx");
}
public static void main (String args[]){
TstApp xx=new TstApp();
Next_Level(args[0]);
}
public void Next_Level(String Incoming_String){
System.out.println(Incoming_String);
}
}
通过
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实在是搞不清static是干想什么的?