This commit is contained in:
Emmanuel Srivastava
2025-03-10 17:31:32 +01:00
12 changed files with 62 additions and 109 deletions

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@@ -1,37 +0,0 @@
import java.awt.*;
import javax.swing.*;
public class Fond extends JPanel implements ActionListener {
private JButton Cyan, Magenta, Jaune;
public Fond() {
this.setLayout(null);
this.Cyan = new JButton("Cyan");
this.Magenta = new JButton("Magenta");
this.Jaune = new JButton("Jaune");
this.Cyan.setBounds(100,50,100,20);
this.Magenta.setBounds(220,50,100,20);
this.Jaune.setBounds(320,50,100,20);
this.Cyan.addActionListener(this);
this.Magenta.addActionListener(this);
this.Jaune.addActionListener(this);
this.add(this.Cyan);
this.add(this.Magenta);
this.add(this.Jaune);
}
@Override
public void actionPerformed(ActionEvent evenement) {
if (evenement.getSource() == this.Cyan) {
this.setBackground(Color.CYAN);
} else if (evenement.getSource() == this.Magenta) {
this.setBackground(Color.MAGENTA);
} else if (evenement.getSource() == this.Jaune) {
this.setBackground(Color.YELLOW);
}
}
}

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@@ -1,72 +0,0 @@
import javax.swing.*;
import java.awt.*;
public class MainFond {
public static void main(String[] args) {
JFrame frame = new JFrame("Fond");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Fond panel = new Fond();
frame.add(panel);
frame.setSize(500,500);
frame.setLocation(500,250);
frame.setVisible(true);
}
}
./Fond.java:4: error: cannot find symbol
public class Fond extends JPanel implements ActionListener {
^
symbol: class ActionListener
./Fond.java:27: error: cannot find symbol
public void actionPerformed(ActionEvent evenement) {
^
symbol: class ActionEvent
location: class Fond
./Fond.java:17: error: incompatible types: Fond cannot be converted to ActionListener
this.Cyan.addActionListener(this);
^
./Fond.java:18: error: incompatible types: Fond cannot be converted to ActionListener
this.Magenta.addActionListener(this);
^
./Fond.java:19: error: incompatible types: Fond cannot be converted to ActionListener
this.Jaune.addActionListener(this);
^
./Fond.java:26: error: method does not override or implement a method from a supertype
@Override
^
./Fond.java:33: error: cannot find symbol
setBackground(Color.JAUNE);
^
symbol: variable JAUNE
location: class Color
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
7 errors
[srivasta@vm-srivasta 1.Fond]$ q
[srivasta@vm-srivasta 1.Fond]$ javac MainFond.java
./Fond.java:4: error: cannot find symbol
public class Fond extends JPanel implements ActionListener {
^
symbol: class ActionListener
./Fond.java:28: error: cannot find symbol
public void actionPerformed(ActionEvent evenement) {
^
symbol: class ActionEvent
location: class Fond
./Fond.java:18: error: incompatible types: Fond cannot be converted to ActionListener
this.Cyan.addActionListener(this);
^
./Fond.java:19: error: incompatible types: Fond cannot be converted to ActionListener
this.Magenta.addActionListener(this);
^
./Fond.java:20: error: incompatible types: Fond cannot be converted to ActionListener
this.Jaune.addActionListener(this);
^
./Fond.java:27: error: method does not override or implement a method from a supertype
@Override
^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
6 errors

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@@ -0,0 +1,15 @@
import javax.swing.*;
import java.awt.*;
public class Mafenetre extends JFrame {
public Mafenetre() {
super("Volume");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(697,156);
this.setLocation(500,250);
Volume instance = new Volume();
}
}

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@@ -0,0 +1,10 @@
import javax.swing.*;
import java.awt.*;
public class MainVolume {
public static void main(String[] args) {
Mafenetre fenetre = new Mafenetre();
fenetre.setVisible(true);
}
}

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@@ -0,0 +1,16 @@
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class MouseWheel implements MouseWheelListener {
public MouseWheel() {
super();
}
@Override
public void mouseWheelMoved(MouseWheelEvent evenement) {
}
}

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@@ -0,0 +1,21 @@
import javax.swing.*;
import java.awt.*;
public class Volume extends JComponent {
public Volume() {
super();
}
@Override
protected void paintComponent(Graphics pinceau) {
Graphics secondPinceau = pinceau.create();
this.setColor(this.getForeground());
this.setBackground(new Color(255,30,255));
this.setColor(Color.GRAY);
this.fillOval(10, 70, 100, 100);
}
}

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