packtest.java

这是清华大学编写的JAVA教材中所有题目的源代码！

import java.awt.*;

class PackTest
{
	public static void main(String args[])
	{
		Frame f=new Frame();

		Button btnEast=new Button("east");
		Button btnSouth=new Button("south");
		Button btnWest=new Button("west");
		Button btnNorth=new Button("north");
		Button btnCenter=new Button("center");
		
		f.setLayout(new BorderLayout());
		f.add(btnEast,BorderLayout.EAST);
		f.add(btnWest,BorderLayout.WEST);
		f.add(btnNorth,BorderLayout.NORTH);
		f.add(btnSouth,BorderLayout.SOUTH);
		f.add(btnCenter,BorderLayout.CENTER);
		
		//f.setSize(50,100);
		f.pack();
		f.setVisible(true);
	}
}