📁 Java Tutorial 074 - Code Viewer

import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class GosterSakla { public GosterSakla() { Color hardal = new Color(242, 203, 5); Color mavi = new Color(4, 157, 217); Color lila = new Color(143, 142, 191); Color koyu = new Color(53, 64, 58); JFrame frame = new JFrame("074 JPanel Goster Sakla"); frame.setLayout(null); JPanel butonPaneli = new JPanel(); butonPaneli.setLayout(null); butonPaneli.setBackground(koyu); butonPaneli.setBounds(15, 15, 230, 400); JButton hardal0 = new JButton("Hardali Sakla"); hardal0.setBounds(30, 50, 170, 30); JButton hardal1 = new JButton("Hardali Göster"); hardal1.setBounds(30, 80, 170, 30); JButton mavi0 = new JButton("Maviyi Sakla"); mavi0.setBounds(30, 150, 170, 30); JButton mavi1 = new JButton("Maviyi Göster"); mavi1.setBounds(30, 180, 170, 30); JButton lila0 = new JButton("Lilayi Sakla"); lila0.setBounds(30, 250, 170, 30); JButton lila1 = new JButton("Lilayi Göster"); lila1.setBounds(30, 280, 170, 30); JPanel bosPanel = new JPanel(); bosPanel.setLayout(null); bosPanel.setBounds(260, 15, 725, 400); JPanel hardalPanel = new JPanel(); hardalPanel.setLayout(null); hardalPanel.setBackground(hardal); hardalPanel.setBounds(260, 15, 725, 400); JPanel maviPanel = new JPanel(); maviPanel.setLayout(null); maviPanel.setBackground(mavi); maviPanel.setBounds(260, 15, 725, 400); JPanel lilaPanel = new JPanel(); lilaPanel.setLayout(null); lilaPanel.setBackground(lila); lilaPanel.setBounds(260, 15, 725, 400); hardal0.addActionListener(new ActionListener () { public void actionPerformed(ActionEvent e ) { bosPanel.setVisible(true); hardalPanel.setVisible(false); maviPanel.setVisible(false); lilaPanel.setVisible(false); } }); hardal1.addActionListener(new ActionListener () { public void actionPerformed(ActionEvent e ) { bosPanel.setVisible(false); hardalPanel.setVisible(true); maviPanel.setVisible(false); lilaPanel.setVisible(false); } }); mavi0.addActionListener(new ActionListener () { public void actionPerformed(ActionEvent e ) { bosPanel.setVisible(true); hardalPanel.setVisible(false); maviPanel.setVisible(false); lilaPanel.setVisible(false); } }); mavi1.addActionListener(new ActionListener () { public void actionPerformed(ActionEvent e ) { bosPanel.setVisible(false); hardalPanel.setVisible(false); maviPanel.setVisible(true); lilaPanel.setVisible(false); } }); lila0.addActionListener(new ActionListener () { public void actionPerformed(ActionEvent e ) { bosPanel.setVisible(true); hardalPanel.setVisible(false); maviPanel.setVisible(false); lilaPanel.setVisible(false); } }); lila1.addActionListener(new ActionListener () { public void actionPerformed(ActionEvent e ) { bosPanel.setVisible(false); hardalPanel.setVisible(false); maviPanel.setVisible(false); lilaPanel.setVisible(true); } }); butonPaneli.add(hardal0); butonPaneli.add(hardal1); butonPaneli.add(mavi0); butonPaneli.add(mavi1); butonPaneli.add(lila0); butonPaneli.add(lila1); frame.add(butonPaneli); frame.add(bosPanel); frame.add(hardalPanel); frame.add(maviPanel); frame.add(lilaPanel); frame.getContentPane().setBackground(new Color(2, 104, 115)); frame.setSize(1000, 450); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLocationRelativeTo(null); frame.setResizable(false); frame.setVisible(true); } }