action to button in java code example

Example 1: actionlistener java

JButton Button = new JButton();
Button.setSize(300,300);
Button.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) 
    System.out.println(BlockNumber)
  	}
});

Example 2: how to create an action listener in java

button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent actionEvent) 
            {
              
            }
        });