Add JToggleButton into JFrame

Source code below will show how to add JToggleButton into JFrame.

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COMPLETE SOURCE CODE FOR : AddJToggleButtonIntoJFrame.java
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import javax.swing.JToggleButton;
import javax.swing.JFrame;

import java.awt.FlowLayout;

public class AddJToggleButtonIntoJFrame
{
public static void main(String[]args)
{
 //Create a JToggleButton with text(Java)
 JToggleButton toggleButton=new JToggleButton("Java");

 //Create a JToggleButton with text(Java_2) and selection state
 //If selection state true, JToggleButton will be pressed
 JToggleButton toggleButton2=new JToggleButton("Java_2",true);

 //Create a JFrame with title(Add toggle button)
 JFrame frame=new JFrame("Add toggle button");

 //Set layout for JFrame
 frame.setLayout(new FlowLayout());

 //Add first JToggleButton into JFrame
 frame.add(toggleButton);

 //Add second JToggleButton into JFrame
 frame.add(toggleButton2);

 //Set close operation for JFrame
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 //Set JFrame size
 frame.setSize(400,400);

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

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JUST COMPILE AND EXECUTE IT
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