SYNCHRONIZED,BINARY PROGRAM

Disable Button

import java.applet.Applet;

import java.awt.Button;

public class DisableButtonExample extends Applet

{

public void init()

{

Button Button1 = new Button("Ok");

Button Button2 = new Button("Cancel");

add(Button1);

add(Button2);

Button2.setEnabled(false);

    }

}

Java String Buffer setLength

public class JavaStringBufferSetLengthExample

{

public static void main(String[] args)

{

StringBuffer sbf = new StringBuffer("StringBuffer setLength method example");

sbf.setLength(12);

System.out.println("StringBuffer contents: " + sbf);

sbf.setLength(0);

System.out.println("StringBuffer contents deleted:" + sbf);

   }

}

Convert String to long

public class StringToPrimitiveLongExample

 {

public static void main(String[] args)

{

String str = new String("10");

long l = Long.parseLong(str);

System.out.println(l);

   }

}

Get Selected Item From Single Select AWT List

import java.applet.Applet;

import java.awt.Graphics;

import java.awt.List;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

public class GetSelectedItemFromSingleSelectExample extends Applet implements ItemListener

{  

List list = null;

public void init()

{

list = new List(5, false);

list.add("One");

list.add("Two");

list.add("Three");

list.add("Four");

list.add("Five");

list.add("Six");

list.add("Seven");

add(list);

list.addItemListener(this);

}

public void paint(Graphics g)

{

g.drawString("Selected Item: "+ list.getSelectedItem(), 10, 120);

}

public void itemStateChanged(ItemEvent arg0)

                    {

repaint();     

  }

}

Performing Binary Search on Java float Array

import java.util.Arrays;

public class BinarySearchFloatArrayExample

{

public static void main(String[] args)

{

float floatArray[] = {1.23f,2.10f,4.74f,5.34f};

Arrays.sort(floatArray);float searchValue = 4.74f;

int intResult = Arrays.binarySearch(floatArray,searchValue);

System.out.println("Result of binary search of 4.74 is : " + intResult);

searchValue = 3.33f;

intResult = Arrays.binarySearch(floatArray,searchValue);

System.out.println("Result of binary search of 3.33 is : " + intResult);

    }

}

Get Synchronized List from Java ArrayList

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

public class GetSynchronizedListFromArrayListExample

{

public static void main(String[] args)

{

ArrayList arrayList = new ArrayList();

List list = Collections.synchronizedList(arrayList);  

   }

}