Create file chooser using JFileChooser

Source code below will show you, how to create a file chooser in java using JFileChooser class.

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COMPLETE SOURCE CODE FOR : CreateFileChooserUsingJFileChooser.java
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import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JButton;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import java.awt.FlowLayout;

public class CreateFileChooserUsingJFileChooser implements ActionListener
{
//Create file chooser using JFileChooser
JFileChooser fileChooser=new JFileChooser();

//Create a button that use to open file chooser
JButton button=new JButton("Click here to open file chooser");

//Create a JFrame that use to place created button
//JFrame title is ( Create file chooser using JFileChooser )
JFrame frame=new JFrame("Create file chooser using JFileChooser");

public CreateFileChooserUsingJFileChooser()
{
 //add ActionListener to created button
 button.addActionListener(this);

 //set JFrame layout to FlowLayout
 frame.setLayout(new FlowLayout());

 //add button into JFrame
 frame.add(button);

 //set default close operation for JFrame
 //So when you click window close button, this program will exit
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 //set JFrame size to :
 //WIDTH : 500 pixels
 //HEIGHT : 500 pixels
 frame.setSize(500,500);

 //Make your JFrame visible. So we can see it
 frame.setVisible(true);
}

//Action that will take by button
public void actionPerformed(ActionEvent event)
{
 //When you click the button, a file chooser will appear
 if(event.getSource()==button)
 {
  //Show file chooser with title ( Choose a file )
  fileChooser.showDialog(frame,"Choose a file");
 }
}

public static void main(String[]args)
{
 CreateFileChooserUsingJFileChooser cfcujfc=new CreateFileChooserUsingJFileChooser();
}
}

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JUST COMPILE AND EXECUTE IT
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