package java0915_gui; import java.awt.Button; import java.awt.Frame; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; class UserSize extends Frame { Button btn; public UserSize() { // Frame 컨테이너의 Layout을 null로 초기화한다. this.setLayout(null); btn = new Button("button"); btn.setBounds(50, 50, 200, 150); // (가로위치, 세로위치, 가로크기, 세로크기) this.add(btn); setSize(300, 300); setVisible(true); this.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { System.exit(0); } }); } } public class Java215_gui { public static void main(String[] args) { new UserSize(); } }