JLabelTest1.java

package programing;
import javax.swing.*; 
import java.awt.*; 
import java.awt.event.*; 

class JLabel1 extends JFrame implements ActionListener {
	private JLabel result = new JLabel();
	public ImageIcon i1,i2;
	public JLabel1() {
		i1 = new ImageIcon(getClass().getResource("apple.jpg"));
		i2 = new ImageIcon(getClass().getResource("pear.jpg"));
		JButton apple = new JButton("사과");
		JButton pear = new JButton("배");
		Container ct = getContentPane();
		ct.setLayout(new FlowLayout());
		ct.add(apple);
		ct.add(pear);
		ct.add(result);
		apple.addActionListener(this);
		pear.addActionListener(this);
		setTitle("JLabel Test1");
		setSize(300,250);
		setVisible(true);
	}
	public void actionPerformed(ActionEvent ae) {
		if(ae.getActionCommand()=="사과") {
			result.setText("맛있는 사과입니다");
			result.setIcon(i1);
		}else {
			result.setText("맛있는 배입니다");
			result.setIcon(i2);
		}		
	}
}
public class JLabelTest1 {
	public static void main(String[] args) {
		new JLabel1();
	}
}