How to use

add

method

in

java.awt.Container

  public void run () {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setSize(480, 320);
    frame.setLocationRelativeTo(null);
    JPanel panel = new JPanel();
    frame.getContentPane().add(panel);
    panel.add(new NewSlider(200, 100, 500, 0.1f, 150, 300));
    frame.setVisible(true);
  }
});

$cat HelloWorldSwing.java
 package start;
 import javax.swing.*;
 public class HelloWorldSwing {
   public static void main(String[] args) {
     //Create and set up the window.
     JFrame frame = new JFrame("HelloWorldSwing");
     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     JLabel label = new JLabel("Hello World");
     frame.add(label);
     //Display the window.
     frame.pack();
     frame.setVisible(true);
   }
 }
 class Dummy {
   // just to have another thing to pack in the jar
 }

public void show(){
  frame = new JFrame("HDR View");
  label = new JLabel(new ImageIcon(image));
  frame.getContentPane().add(label);
  frame.setLayout(new FlowLayout());
  frame.pack();
  frame.setVisible(true);
}

 import java.awt.*;
import java.awt.geom.Line2D;
import javax.swing.*;

public class FrameTest {
  public static void main(String[] args) {
    JFrame jf = new JFrame("Demo");
    Container cp = jf.getContentPane();
    cp.add(new JComponent() {
      public void paintComponent(Graphics g) {
        Graphics2D g2 = (Graphics2D) g;
        g2.setStroke(new BasicStroke(10));
        g2.draw(new Line2D.Float(30, 20, 80, 90));
      }
    });
    jf.setSize(300, 200);
    jf.setVisible(true);
  }
}

this.panel = new JPanel();
this.panel.setLayout(new FlowLayout());
add(panel, BorderLayout.CENTER);
JButton button = new JButton("CLICK HERE");
add(button, BorderLayout.SOUTH);
button.addActionListener(this);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(500, 500);
setVisible(true);
this.panel.add(new JButton("Button"));
this.panel.revalidate();
validate();

 import java.awt.BorderLayout;
import java.awt.FlowLayout;
import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JRadioButton;


public class Rb  extends JFrame {
Rb (){
   JRadioButton male = new JRadioButton("male");
   JRadioButton female = new JRadioButton("Female");
   ButtonGroup bG = new ButtonGroup();
   bG.add(male);
   bG.add(female);
   this.setSize(100,200);
   this.setLayout( new FlowLayout());
   this.add(male);
   this.add(female);
   male.setSelected(true);
   this.setVisible(true);
 }
public static void main(String args[]){
  Rb j = new Rb();
}

 import java.awt.event.*;
import javax.swing.*;

public class YourDialog extends JDialog implements ActionListener {

 JButton button;

 public YourDialog() {
   button = new JButton("Close");
   button.addActionListener(this);
   add(button);
   pack();
   setVisible(true);
 }

 public void actionPerformed(ActionEvent e) {
   dispose();
 }
}

 import javax.swing.JFrame;
import javax.swing.JLabel;

public class AnotherJFrame extends JFrame
{
  public AnotherJFrame()
  {
    super("Another GUI");
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    add(new JLabel("Empty JFrame"));
    pack();
    setVisible(true);
  }
}

  public void run () {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setSize(480, 320);
    frame.setLocationRelativeTo(null);
    JPanel panel = new JPanel();
    frame.getContentPane().add(panel);
    panel.add(new Slider(200, 100, 500, 0.1f, 150, 300));
    frame.setVisible(true);
  }
});

JFrame frame = new JFrame();
JPanel panel = new JPanel();
frame.getContentPane().add(panel);
frame.setVisible(true);

public static void main(String[] args) throws IOException {
 TreeJPanel tjp = new TreeJPanel();
 // String ptbTreeString1 = "(ROOT (S (NP (DT This)) (VP (VBZ is) (NP (DT a) (NN test))) (. .)))";
 String ptbTreeString = "(ROOT (S (NP (NNP Interactive_Tregex)) (VP (VBZ works)) (PP (IN for) (PRP me)) (. !))))";
 if (args.length > 0) {
  ptbTreeString = args[0];
 }
 Tree tree = (new PennTreeReader(new StringReader(ptbTreeString), new LabeledScoredTreeFactory(new StringLabelFactory()))).readTree();
 tjp.setTree(tree);
 tjp.setBackground(Color.white);
 JFrame frame = new JFrame();
 frame.getContentPane().add(tjp, BorderLayout.CENTER);
 frame.addWindowListener(new WindowAdapter() {
  @Override
  public void windowClosing(WindowEvent e) {
   System.exit(0);
  }
 });
 frame.pack();
 frame.setVisible(true);
 frame.setVisible(true);
}

public static void main(String args[]) {
  FrameTestBase t = new FrameTestBase();
  t.add(new JComponent() {
    public void paintComponent(Graphics g) {
      String str = "hello world!";
  t.setDefaultCloseOperation(EXIT_ON_CLOSE);
  t.setSize(400, 200);
  t.setVisible(true);

 import javax.swing.JFrame;
import javax.swing.JLabel;

public class Annoying {
  public static void main(String[] args) {
    JFrame frame = new JFrame("Hello!!");

    // Set's the window to be "always on top"
    frame.setAlwaysOnTop( true );

    frame.setLocationByPlatform( true );
    frame.add( new JLabel("  Isn't this annoying?") );
    frame.pack();
    frame.setVisible( true );
  }
}

  public void run () {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setSize(480, 320);
    frame.setLocationRelativeTo(null);
    JPanel panel = new JPanel();
    frame.getContentPane().add(panel);
    panel.add(new NewSlider(200, 100, 500, 0.1f, 150, 300));
    frame.setVisible(true);
  }
});

 package com.stackoverflow.test;

import java.net.URL;
import javax.swing.*;  // Wild carded for brevity. 
            // Actual code imports single classes
public class Main {
  public static void main(String[] args) {
    SwingUtilities.invokeLater(new Runnable(){
      public void run() {
        URL url = Main.class.getResource(
                   "/resources/stackoverflow.png");
        ImageIcon icon = new ImageIcon(url);
        JFrame frame = new JFrame();
        frame.add(new JLabel(icon));
        frame.pack();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
      }
    });
  }
}

  public void run () {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setSize(480, 320);
    frame.setLocationRelativeTo(null);
    JPanel panel = new JPanel();
    frame.getContentPane().add(panel);
    panel.add(new Slider(200, 100, 500, 0.1f, 150, 300));
    frame.setVisible(true);
  }
});

 package temp;
import java.awt.EventQueue;
import javax.swing.JFrame;

public class Main {
  public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {
      @Override
      public void run() {
        JFrame f = new JFrame();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.add(new NewJPanel());
        f.pack();
        f.setVisible(true);
      }
    });
  }
}

/**
 * show the image as JFrame on desktop
 */
public void show() {
  JLabel label = new JLabel(new ImageIcon(this.image));
  JFrame f = new JFrame();
  f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  f.getContentPane().add(label);
  f.pack();
  f.setVisible(true);
}

JFrame f = new JFrame("Frame " + ii);
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
String s =
  "os.name: " + System.getProperty("os.name") +
  "\nos.version: " + System.getProperty("os.version");
f.add(new JTextArea(s,3,28));  // suggest a size
f.pack();
f.setVisible(true);

private static void createWindowForPanel(AwtPanel panel, int location){
  JFrame frame = new JFrame("Render Display " + location);
  frame.getContentPane().setLayout(new BorderLayout());
  frame.getContentPane().add(panel, BorderLayout.CENTER);
  frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
  frame.addWindowListener(new WindowAdapter() {
    @Override
    public void windowClosed(WindowEvent e) {
      if (++panelsClosed == 2){
        app.stop();
      }
    }
  });
  frame.pack();
  frame.setLocation(location, Toolkit.getDefaultToolkit().getScreenSize().height - 400);
  frame.setVisible(true);
}