Java combobox pro

Insert Item At Specified Index In AWT Choice Or Combo box

import java.applet.Applet;

import java.awt.Choice;

public class InsertItemExample extends Applet

{

Choice language = null;

public void init()

{

language = new Choice();

language.add("Java");

language.add("C++");

language.add("VB");

language.add("Perl");

add(language);

language.insert("PHP",2);

 }

}

Remove All Items From AWT Choice Or Combo box

import java.applet.Applet;

import java.awt.Choice;

public class RemoveAllItemsExample extends Applet

{

Choice language = null;       

public void init()

{

language = new Choice();

language.add("Java");

language.add("C++");

language.add("VB");

language.add("Perl");

add(language);

language.removeAll();

   }

}

Remove Particular Item from AWT Choice Or Combo box

import java.applet.Applet;

import java.awt.Choice;

public class RemoveItemExample extends Applet

{

Choice language = null;     

public void init()

{

language = new Choice();

language.add("Java");

language.add("C++");

language.add("VB");

language.add("Perl");

add(language);  language.remove(1);

   }

}

Select Particular Item Of AWT Choice Or Combo box

import java.applet.Applet;

import java.awt.Choice;

public class SelectItemExample extends Applet

{

Choice language = null;

public void init()

{

language = new Choice();

language.add("Java");

language.add("C++");

language.add("VB");

language.add("Perl");

add(language); language.select(1);

   }

}

Colored Hello World Applet

import java.applet.Applet;

import java.awt.Graphics;

import java.awt.Color;

public class ColoredHelloWorldExample extends Applet

{

public void paint(Graphics g)

{

      g.setColor(Color.blue);               

g.drawString("Hello World...",30,180);

   }

}

Convert HSB to RGB Color

import java.applet.Applet;

import java.awt.Color;

import java.awt.Graphics;

public class ConvertHSBToRGBColor extends Applet

{

public void paint(Graphics g)

{

int rgb = Color.HSBtoRGB(0.6f,0.5f,0.8f);                

Color color = new Color(rgb);         

this.setForeground(color);       

g.drawString("Color converted from HSB to RGB",10,50);

   }

}

Convert RGB to HSB Color

import java.applet.Applet;

import java.awt.Color;

import java.awt.Graphics;

public class ConvertRGBToHSBColor extends Applet

{

public void paint(Graphics g)

{

float[] hsbValues = new float[3];    

hsbValues = Color.RGBtoHSB(255,10,10,hsbValues);       

float hue, saturation, brightness;

hue = hsbValues[0];

saturation = hsbValues[1];

brightness = hsbValues[2];         

g.drawString("Hue: " + hue + ", Saturation:" + saturation

+ ", Brightness:" + brightness,10,50);

   }

}