by Dinesh Thakur Category: Swing

A JPanel is an invisible window on which they are located and arranged the elements in the window. We can insert any type of components within a panel, including other panels. This feature is essential when creating complex graphical interfaces you have to use different Layout Managers.

The usual procedure is to put a panel on first build, add components you want and then insert it into the appropriate container.

• public JPanel () constructor;
• public JPanel (LayoutManager layout) Creates a new JPanel with the given design that is passed;
• public Component add (Component comp) is the method used to Add components to the panel. Returns the same component that is passed;
• public setLayout (Layout Manager l): sets the given layout manager;
• public void remove (Component c) removes the component

import javax.swing.*;

import java.awt.*;
public class MultiplePanelsJavaExample extends JFrame
       private JButton BtnOne = new JButton("One");
       private JButton BtnTwo = new JButton("Two");
       private JButton BtnThree = new JButton("Three");
       private JButton BtnFour = new JButton("Four");
       private JButton BtnFive = new JButton("Five");
       private JButton BtnSix = new JButton("Six");
       private JButton BtnSvn = new JButton("Seven");
       private JButton BtnEight = new JButton("Eight");
       private JButton BtnNine = new JButton("Nine");
       private JButton BtnTen = new JButton("Ten");
       private JButton BtnElvn = new JButton("Eleven");
       private JButton BtnTwlv = new JButton("Twelve");
       private JPanel PnlOne = new JPanel(new GridLayout(2, 0));
       private JPanel PnlTwo = new JPanel(new FlowLayout());
       private JPanel PnlThree = new JPanel(new FlowLayout());
       private JPanel PnlFour = new JPanel(new GridLayout(2, 0));
        public MultiplePanelsJavaExample()
              setLayout(new BorderLayout());
              add(PnlOne, BorderLayout.WEST);
              add(PnlTwo, BorderLayout.CENTER);
              add(PnlThree, BorderLayout.SOUTH);
              add(PnlFour, BorderLayout.EAST);
              public static void main(String[] args)
                      MultiplePanelsJavaExample frame = new MultiplePanelsJavaExample();

JFrame with Multiple JPanels Example

About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to Contact us.

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