[Java/Swing] 배치 관리자 3 - NoLayout 구현

코드

public class NoLayoutEx extends JFrame {

    JButton[] buttons = new JButton[5];

    public NoLayoutEx2() {
        initData();
        setInitLayout();
    }

    private void initData() {
        setTitle("좌표 기반 배치");
        setSize(500, 500);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        // 버튼 인스턴스화
        for (int i = 0; i < buttons.length; i++) {
            buttons[i] = new JButton("버튼 " + (i + 1));
        }

        buttons[0].setSize(70, 440);
        buttons[1].setSize(380, 70);
        buttons[2].setSize(380, 70);
        buttons[3].setSize(70, 280);
        buttons[4].setSize(300, 280);
    }

    private void setInitLayout() {
        setLayout(null);

        buttons[0].setLocation(10, 10);
        buttons[1].setLocation(90, 380);
        buttons[2].setLocation(90, 10);
        buttons[3].setLocation(400, 90);
        buttons[4].setLocation(90, 90);

        // 버튼 추가
        for (int j = 0; j < buttons.length; j++) {
            add(buttons[j]);
        }

        setVisible(true);
    }

    public static void main(String[] args) {
        new NoLayoutEx();
    }

}

실행