Creating a Frame

This program shows you how to create a frame in Java Swing Application.

Creating a Frame

Creating a Frame : Swing Tutorials

     

This program shows you how to create a frame in Java Swing Application. The frame in java works like the main window where your components (controls) are added to develop an application. In the Java Swing, top-level windows are represented by the JFrame class. Java supports the look and feel and decoration for the frame. 

For creating java standalone application you must provide GUI for a user. The most common way of creating a frame is, using single argument constructor of the JFrame class. The argument of the constructor is the title of the window or frame. Other user interface are added by constructing and adding it to the container one by one. The frame initially are not visible and to make it visible the setVisible(true) function is called passing the boolean value true. The close button of the frame by default performs the hide operation for the JFrame. In this example we have changed this behavior to window close operation by setting the setDefaultCloseOperation() to EXIT_ON_CLOSE value.

setSize (400, 400):
Above method sets the size of the frame or window to width (400) and height (400) pixels.

setVisible(true):
Above method makes the window visible.

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE):
Above code sets the operation of close operation to Exit the application using the System exit method.

Here is the code of the program : 

import javax.swing.*;

public class Swing_Create_Frame{
  public static void main(String[] args){
  JFrame frame = new JFrame("Frame in Java Swing");
  frame.setSize(400, 400);
  frame.setVisible(true);
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
}

Download this example.

Tutorials

  1. Display Image in Java
  2. Show Coordinates
  3. What is Java Swing?
  4. Creating a Frame
  5. Setting an Icon for a Frame in Java
  6. Show Dialog Box in Java
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  8. Show input dialog box
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  10. Setting Multi-Line label on the Button
  11. Setting icon on the button in Java
  12. Making a Frame Non Resizable in Java
  13. Remove Minimize and Maximize Button of Frame in Java
  14. Removing the Title Bar of a Frame
  15. Setting Bounds for a maximized frame
  16. Iconifying and Maximizing a frame in Java
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  18. Create a ToolBar in Java
  19. Animating Images in Java Application
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  22. Adding a Rollover and Pressed Icon to a JButton Component in Java
  23. Creating Check Box in Java Swing
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