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statically calling getClass().getName()

Posted on 2002-07-18
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Last Modified: 2012-06-22
I'm just curious ... I don't need to do this for any reason, but ...

Is it possible to call the getName() method statically for a given class?

public class MyClass
{
    public static void main( String[] args )
    {
        System.out.println( getClass().getName() );
    }
}


ofcourse, the above example produces a compiler error because there is no instatiated "this" object from which to call the method (the method itself is not static).  Is it possible to get the current classname in this manner (from main() -- other than println("MyClass") ?
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Question by:knightEknight
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8 Comments
 

Expert Comment

by:fi76631
ID: 7163222
No. You do not know the type of a class when it is static, only when it is constructed. Consider your class implementing an interface etc.....
0
 
LVL 33

Author Comment

by:knightEknight
ID: 7163239
I suspected as much ... thanks.
0
 
LVL 33

Author Comment

by:knightEknight
ID: 7163249
I'm trying to accept your comment as answer, but it won't let me ...
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LVL 33

Author Comment

by:knightEknight
ID: 7163250
please lock it ... maybe that will work.
0
 
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Accepted Solution

by:
klf earned 50 total points
ID: 7163276

try

public class MyClass
{
   public static void main( String[] args )
   {
       System.out.println( MyClass.class.getName() );
   }
}
0
 
LVL 33

Author Comment

by:knightEknight
ID: 7164640
as fate would have it ... it works!

ofcourse, you have to _know_ the classname in order to _get_ the classname ... so I don't know how much value this has.  But it does return the fully qualified package name, i.e.  com.test.MyClass  ... for what its worth.

Thanks to both of you.
0
 

Expert Comment

by:roo_j
ID: 8204843
try

public class MyClass
{
   public static void main( String[] args )
   {
       System.out.println( this.getClass().getName() );
   }
}
0
 
LVL 33

Author Comment

by:knightEknight
ID: 8206162
no because "this" has no object reference in the main().  But this would work:


public class MyClass
{
   public static void main( String[] args )
   {
      MyClass mc = new MyClass();
      System.out.println( mc.getClass().getName() );
   }
}
0

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