Jbutton Click Event example Advance Java Change frame Color On Button click Advance Java import javax.swing.*; import java.awt.*; import java.awt.event.*; class FrameDemo extends JFrame implements ActionListener { JButton btn; Container c; FrameDemo() { c=this.getContentPane(); JButton btn= new JButton("Click"); btn.setBounds(100,50,100,50); c.add(btn); c.setLayout(null); btn.addActionListener(this); } public void actionPerformed(ActionEvent a) { c.setBackground(Color.RED); } } // cre...