Problem to close Frame(not JFrame)

Question

I ese the following method:
class MyWindowAdaptr extends WindowAdapter{
     SampleFr1 sampleFr1;
     public MyWindowAdaptr(SampleFr1 sampleFr1){
     this.sampleFr1=sampleFr1;
     public void WindowClosing(WindowEvent we){
          System.exit(0);
          //dispose();
          sampleFr1.setVisible(false);
}But my frame window is not closing.....plz HELP!!!!!

Answer 1

Try this:
class MyWindowAdaptr{
     SampleFr1 sampleFr1;
     public MyWindowAdaptr(SampleFr1 sampleFr1){
     this.sampleFr1=sampleFr1;
sampleFr1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
sampleFr1.setVisible(true);
}