Java
/
Swing
- 1 Basics 9
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Classes S
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Objects S
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Arrays S
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Variables S
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Loops S
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Numbers S
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Strings S
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Exceptions S
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Regexp S
- 2 OOP 9
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Inheritance
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Polymorphism
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Static S
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Abstract
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Interfaces
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Constructors S
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Packages
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Nested Classes
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Final
- 3 Compiler 2
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Sublime Text S
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Apache Ant
- 4 Collections 8
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Lists
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Comparable S
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Sets
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Maps
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Generics
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Properties
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Streams
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Json
- 5 Threads 4
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Create Thread S
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Sleep
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Lock
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Scheduler
- 6 Design Patterns 4
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Singleton
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Observer
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Strategy
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Mediator
- 7 Swing 12
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Frame
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Panel
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Listener
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Combo Box
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Label
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Image
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Menu
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Table
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Layout
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Drawing
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Timer
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Designer
- 8 I/O 7
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Streams IO
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Socket
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Watching Files
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Mail
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Logger
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Clipboard
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Encrypt S
- 9 Effective 7
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Constructors S
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Dependency Injection
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Composition
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Interfaces Default
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Import Static S
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Enums
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Lambdas
- 10 Junit 5
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About Junit S
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Test Case
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Suite Test
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Annotations
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Exceptions
- 11 Lambdas 7
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Expressions S
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Functional Interfaces
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Streams
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Common Operations
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Default Methods
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Static Methods S
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Single Responsibility
- 12 JavaFX 6
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Openjfx
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Scene Builder
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First App
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Jar Archive
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On Action
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Change Listener
- 13 Maven 4
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Demo
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Spring Boot
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Junit
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Guava
- 14 Spring Boot 13
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Quick start S
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Rest service S
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Consuming rest S
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Templates S
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Security auth S
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Command line S
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Scheduled task S
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Ajax S
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Jdbc mysql S
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Encrypt password S
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Https S
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Jwt S
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Post request S
R
Q
Image
Put images/ on project root, on the same level with build/ and src/.
copy
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import javax.swing.*;
public class App extends JFrame {
public static void main(String[] args) {
App frame = new App();
frame.setBounds(200, 200, 300, 300);
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.setLayout(new FlowLayout()); // not BorderLayout !
frame.setVisible(true);
}
public App() { // Look Here
try {
String imageFile = "images/elephant.png";
BufferedImage image = ImageIO.read(new File(imageFile));
JLabel imageLabel = new JLabel(new ImageIcon(image));
add(imageLabel);
} catch (Exception e) {}
}
}
Image Button
Use setIcon() to add an image to a button. Also you can change the cursor using setCursor().
copy
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class App extends JFrame {
public static void main(String[] args) {
App frame = new App();
frame.setBounds(200, 200, 300, 300);
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.setLayout(new FlowLayout());
frame.setVisible(true);
}
public App() {
add(new JButton() {{ // Look Here
setIcon(new ImageIcon("images/elephant.png"));
setBorderPainted(false);
setContentAreaFilled(false);
setFocusPainted(false);
setCursor(new Cursor(Cursor.HAND_CURSOR));
addActionListener(new ActionListener() {
@Override public void actionPerformed(ActionEvent e) {
System.out.println("button clicked");
}
});
}});
}
}
➥ Questions
Last update: 611 days ago