Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs ... javax.swing.JFrame class is loaded by the Extension Class ...

The Command pattern helps us do that by encapsulating all the data required to perform an action ... but it’s suitable as an example. JFrame frame = new JFrame(); JButton button = new JButton ...

JPanel is Swing’s version of the AWT class Panel and uses the same default layout, FlowLayout. JPanel is descended directly from JComponent. Java Swing Tutorial Explaining the JFrame class. The ...