Disable JFrame close button : Frame « Swing JFC « Java

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Java » Swing JFC » Frame Screenshots  Disable JFrame close button       import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.HeadlessException; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; public class Main extends JFrame {   public Main() throws HeadlessException {     this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);     JButton button = new JButton("Close");     button.addActionListener(new ActionListener() {       public void actionPerformed(ActionEvent e) {         System.exit(0);       }     });     this.setLayout(new FlowLayout(FlowLayout.CENTER));     this.setSize(new Dimension(100, 100));     this.getContentPane().add(button);   }   public static void main(String[] args) {     new Main().setVisible(true);   } }                  Related examples in the same category 1.  The Swing Version of the Hello, World! Program 2.  Using anonymous inner classes 3.  No direct interaction with JRootPane 4.  A demonstration of the WindowListener approach to closing JFrames 5.  How to center a frame or dialog 6.  React to frame close action 7.  Create a frame 8.  Draw on frame with keyboard 9.  Frame dialog data exchange 10.  Frame with components 11.  Default button for frame: press Enter to activate 12.  Frame Icon drawn by yourself 13.  Create a JFrame class in a thread-safe way 14.  Demo to show a way of having More Choices or Less Choices 15.  Frame Icon from gif 16.  FrameDemo:invoked from the event-dispatching thread 17.  Screen edge snapping 18.  Creating a Borderless Window 19.  Disabling the Close Button on a JFrame 20.  Exiting an Application When a JFrame Is Closed 21.  Use Component listener to ensure frame visibilities 22.  Drag and move a frame from its content area 23.  Setting the Icon for a Frame 24.  Removing the Title Bar of a Frame 25.  Setting the Bounds for a Maximized Frame 26.  Iconifies a frame; the maximized bits are not affected. 27.  Deiconifies a frame; the maximized bits are not affected. 28.  Hiding a Frame When Its Close Button Is Clicked 29.  Exiting an Application When a Frame Is Closed 30.  Getting All Created Frames in an Application 31.  Maximizes a frame; the iconified bit is not affected 32.  Making a Frame Non-Resizable: use setResizable(false) to freeze a frame's size. 33.  Determining When a Frame or Window Is Opened or Closed 34.  Determining When a Frame or Window Is Iconized or Maximized 35.  Determining When a Component Has Been Made Visible, Moved, or Resized 36.  Get the JFrame of a component 37.  Handle JFrame window events 38.  Define the default close operation of a JFrame to EXIT_ON_CLOSE, application will exit by calling System.exit() 39.  Center a JFrame 40.  Creating Frames with a background image 41.  Preventing a Window from Gaining the Focus 42.  Create undecorated frame 43.  Make a JFrame always visible 44.  Maximize a JFrame 45.  Close a JFrame under condition 46.  Creating a Titleless and Borderless JFrame 47.  FrameDemo2.java shows off the window decoration features added in 1.4 48.  JFrame that closes when someone presses the ESC key 49.  Show the given frame as modal to the specified owner