import java.awt.Insets;import javax.swing.JFrame;public class NewFrame {    public static void main(String[] args) {        JFrame frame = new JFrame();        frame.setSize(500, 500);        frame.setVisible(true);                Insets insets = frame.getInsets();          System.out.println(insets.top);        System.out.println(insets.bottom);        System.out.println(insets.left);        System.out.println(insets.right);    }}

 

1 import java.awt.Insets; 2  3 import javax.swing.JFrame; 4  5 public class NewFrame extends JFrame { 6      7     public void launchFrame() { 8         this.setSize(500, 500); 9         this.setLocation(300, 300);10         this.setVisible(true);11     }12     13     public static void main(String[] args) {14         NewFrame nf = new NewFrame();15         nf.launchFrame();16         17         Insets insets = nf.getInsets();18         System.out.println(insets.top);19         System.out.println(insets.bottom);20         System.out.println(insets.left);21         System.out.println(insets.right);22     }23 }