Домик

package lab3;

import java.awt.Graphics;

import javax.swing.JPanel;

public class MyPanel extends JPanel {

	private int figureType = 0;

	public void setFigureType(int fType) {
		figureType = fType;
		repaint();
	}

	public void paint(Graphics g) {

		super.paint(g);
		if (figureType == 0) {
			g.drawRect(0+20, 20, 40, 40);
			g.drawLine(0+15, 20, 20+20, 0);
			g.drawLine(20+20, 00, 45+20, 20);
			g.drawLine(15, 20, 45+20, 20);
			g.drawLine(30+20, 8, 30+20, 00);
			g.drawLine(30+20, 00, 40+20, 00);
			g.drawLine(40+20, 00, 40+20, 16);
		} else {
			for(int i = 0,j = 0; i <= 100;i += 10,j += 10) {
				g.drawLine(20, 120-j, 200, 20+i);
			}
		}

	}
}





package lab3;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.border.BevelBorder;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class lab4 {

	private JFrame frame;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					lab4 window = new lab4();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public lab4() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);

		MyPanel panel = new MyPanel();
		panel.setBorder(new BevelBorder(BevelBorder.LOWERED, null, null, null, null));
		panel.setBounds(0, 0, 316, 261);
		frame.getContentPane().add(panel);

		JButton btnNewButton = new JButton("\u0414\u043E\u043C");
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				panel.setFigureType(0);
			}
		});
		btnNewButton.setBounds(335, 11, 89, 23);
		frame.getContentPane().add(btnNewButton);

		JButton btnNewButton_1 = new JButton("\u041B\u0438\u043D\u0438\u0438");
		btnNewButton_1.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				panel.setFigureType(1);
			}
		});
		btnNewButton_1.setBounds(335, 56, 89, 23);
		frame.getContentPane().add(btnNewButton_1);
	}

}