Re: Remove JFrame from memory

Lew <>
Thu, 28 Jun 2012 10:23:13 -0700 (PDT)
Jesper Johnsen wrote:

How do I remove an object lets say a JFrame from memory?

Stop referring to it, then run out of memory.

I know that the garbage collector handles this - but this simple example =

does not release itself...

java.exe uses 10mb in the first wait stage, this increases to 20mb when t=

he JFrame is shown, but the memory usage never returns to the initial 10mb.=

So the garbage collector never removes the object from memory - why?

Others have answered, but the short version (as you would know from reading=
the documentation vis-=E0-vis garbage collection) is that you haven't run o=
ut of
heap yet.

package jframetest;
import javax.swing.JFrame;
public class JFrameTest {
    public static void main(String[] args) {
    }catch(Exception Ex){}
        JFrame frame = new JFrame("Test");

You need to do GUI actions on the Event Dispatch Thread (EDT),
not the main thread.



    }catch(Exception Ex){}


         frame = null;
    }catch(Exception Ex){}


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