import javax.swing.*;
import java.awt.FlowLayout;
public class TestJButton extends JFrame{	
	JButton button1;
	public TestJButton(){
		initFrame();
	}	
	public void initFrame(){
		setTitle("GUI 窗口");	
		setLayout(new FlowLayout());	
		setSize(500,300);		
		setLocation(500,300);	
		setVisible(true);
		Icon icon = new ImageIcon("objects.png");
		button1 = new JButton("確定",icon);		
		add(button1);
		validate();
	}
	public static void main(String[] ar){
		new TestJButton(); 			
	}
}