**************
ColorMenu.java 
**************
import java.awt.*;
import java.awt.event.*;

/** Illustrates the insertion of menu entries in Frame
 *  menu bars.
 *
 
public class ColorMenu extends CloseableFrame 
                       implements ActionListener {
                        
  private String[] colorNames =
    { "Black", "White", "Light Gray", "Medium Gray", 
      "Dark Gray" };
  private Color[] colorValues =
    { Color.black, Color.white, Color.lightGray, 
      Color.gray, Color.darkGray };
   
  public ColorMenu() {
    super("ColorMenu");
    MenuBar bar = new MenuBar();
    Menu colorMenu = new Menu("Colors");
    for(int i=0; i<2; i++) {
      colorMenu.add(colorNames[i]);
    }
    Menu grayMenu = new Menu("Gray");
    for(int i=2; i<colornames .length; i++) {
      grayMenu.add(colorNames[i]);
    }
    colorMenu.add(grayMenu);
    bar.add(colorMenu);
    setMenuBar(bar);
    colorMenu.addActionListener(this);
    grayMenu.addActionListener(this);
    
    setBackground(Color.lightGray);
    setSize(400, 200);
    setVisible(true);
  }

  /** Catch menu events in the containing Frame. */
  
  public void actionPerformed(ActionEvent event) {
      setBackground(colorNamed(event.getActionCommand()));
      repaint();
  }

  private Color colorNamed(String colorName) {
    for(int i=0; i<colorNames.length; i++) {
      if(colorNames[i].equals(colorName)) {
        return(colorValues[i]);
      }
    }
    return(Color.white);
  }  
  
  public static void main(String[] args) {
    new ColorMenu();
  }
    
}

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******************
# FrameExample1.java
******************
import java.awt.*;

/** 
 */

public class FrameExample1 {
  public static void main(String[] args) {
    Frame f = new Frame("Frame Example 1");
    f.setSize(400, 300);
    f.setVisible(true);
  }
}
*********************
# FrameExample2.java 
*********************
import java.awt.*;

/** 
 */

public class FrameExample2 extends Frame {
  public static void main(String[] args) {
    new FrameExample2();
  }
 
  public FrameExample2() {
    super("Frame Example 2");
    setSize(400, 300);
    setVisible(true);
  }
}
**********************

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import java.applet.Applet;
import java.awt.*;
***************************
/** Eight buttons: four each in two panels.
*
*/

public class ButtonTest2 extends Applet {
public void init() {
String[] labelPrefixes = { "Start", "Stop", "Pause",
"Resume" };
Panel p1 = new Panel();
for (int i=0; i<4; i++) {
p1.add(new Button(labelPrefixes[i] + " Thread1"));
}
Panel p2 = new Panel();
for (int i=0; i<4; i++) {
p2.add(new Button(labelPrefixes[i] + " Thread2"));
}
add(p1);
add(p2);
}
}
**************************

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From: http://sitestree.com/?p=10324
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Tags:Java/J2EE/J2MEAWT Components
Post Data:2017-01-02 16:04:31

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import java.applet.Applet;
import java.awt.*;
**************************
/** Eight ungrouped buttons in an Applet using FlowLayout.
*
*/

public class ButtonTest1 extends Applet {
public void init() {
String[] labelPrefixes = { "Start", "Stop", "Pause",
"Resume" };
for (int i=0; i<4; i++) {
add(new Button(labelPrefixes[i] + " Thread1"));
}
for (int i=0; i<4; i++) {
add(new Button(labelPrefixes[i] + " Thread2"));
}
}
}

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import java.awt.*;
import java.applet.Applet;

/** Position circles down the diagonal so that their borders
 *  just touch. Illustrates that AWT components are 
 *  rectangular and opaque.
  */

public class CircleTest2 extends Applet {
  public void init() {
    setBackground(Color.lightGray);
    setLayout(null); // Turn off layout manager.
    Circle circle;
    int radius = getSize().width/6;
    int deltaX = round(2.0 * (double)radius / Math.sqrt(2.0));
    for (int x=radius; x<6*radius; x=x+deltaX) {
      circle = new Circle(Color.black, radius);
      add(circle);
      circle.setCenter(x, x);
    }
  }

  private int round(double num) {
    return((int)Math.round(num));
  }
}
*********************************
Circle.java
*********************************
import java.awt.*;

/** A Circle component built using a Canvas. 
 *
  */

public class Circle extends Canvas {
  private int width, height;        
        
  public Circle(Color foreground, int radius) {
    setForeground(foreground);
    width = 2*radius;
    height = 2*radius;
    setSize(width, height);
  }

  public void paint(Graphics g) {
    g.fillOval(0, 0, width, height);
  }

  public void setCenter(int x, int y) {
    setLocation(x - width/2, y - height/2);
  }
}
*****************************

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import java.awt.*;

/** A Circle component built using a Canvas. 
 *
  */

public class Circle extends Canvas {
  private int width, height;        
        
  public Circle(Color foreground, int radius) {
    setForeground(foreground);
    width = 2*radius;
    height = 2*radius;
    setSize(width, height);
  }

  public void paint(Graphics g) {
    g.fillOval(0, 0, width, height);
  }

  public void setCenter(int x, int y) {
    setLocation(x - width/2, y - height/2);
  }
}

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import java.awt.*;
import java.applet.Applet;

/** Insert three circles into an Applet using FlowLayout. 
 *
 */

public class CircleTest extends Applet {
  public void init() {
    setBackground(Color.lightGray);
    add(new Circle(Color.white, 30));
    add(new Circle(Color.gray, 40));
    add(new Circle(Color.black, 50));
  }
}

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*********************
import java.applet.Applet;
import java.awt.*;

*********************
 
public class HelloWWW extends Applet {
  private int fontSize = 40;
  
  public void init() {
    setBackground(Color.black);
    setForeground(Color.white);
    setFont(new Font("SansSerif", Font.BOLD, fontSize));
  }
  
  public void paint(Graphics g) {
    g.drawString("Hello, World Wide Web.", 5, fontSize+5);
  }
}
< <<<<<<<<<<<<<<<<<<<<

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******************
ShowArgs.java Application that reports all command-line arguments.
******************
 */

public class ShowArgs {
  public static void main(String[] args) {
    for(int i=0; i<args .length; i++) {
      System.out.println("Arg " + i + " is " + args[i]);
    }
  }
}
/*

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*******************
HelloWorld.java Basic Hello World application. 
*******************
 */

public class HelloWorld {
 public static void main(String[] args) {
    System.out.println("Hello, world.");
  }
}
/*

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