Swing JPanel

In this tutorial you will learn about the Swing JPanel and its application with practical example.

Swing JPanel

JPanel is a lightweight container. In Application or Frame it provides some space so that we can use it by putting other components.

JPanel Class Declaration

JPanel Constructor

Let’s get more understand about JPanel, Some of important constructor are listed below.

JPanel(): This constructor construct new JPanel with double buffer and flow layout.

JPanel(boolean isDoubleBuffered): This constructor construct a new JPanel with FlowLayout and given buffering strategy .

JPanel(LayoutManager layout): This constructor construct a new JPanel with the given layout manager.

JPanel(LayoutManager layout, boolean isDoubleBuffered): This constructor is used to construct new JPanel with given layout manager and buffering strategy.

JPanel Methods

Some of commonly used methods are listed below. It will help to know more about JPanel.

AccessibleContext getAccessibleContext(): This method is used to get AccessibleContext which is associated with JPanel.

void setUI(PanelUI ui): This method is used to set look and feel object.

void updateUI(): This method is used to resets the UI property with the value from current look and feel.

Example :-

An simple example to get understand about JPanel. Hopefully this will work for you.

Output :-

Output of this code will look like below image. You just need to copy this code and paste it in you program.

Recommended:-  Swing JComboBox

image001

In this tutorial we have learn about the Swing JPanel and its application with practical example. I hope you will like this tutorial.