nandub

//http://viralpatel.net/blogs/2009/04/http-proxy-setting-java-setting-proxy-java.html

System.getProperties().put("http.proxyHost", "someProxyURL");
System.getProperties().put("http.proxyPort", "someProxyPort");
System.getProperties().put("http.proxyUser", "someUserName");
System.getProperties().put("http.proxyPassword", "somePassword");

nandub

//http://viralpatel.net/blogs/2009/01/java-singleton-design-pattern-tutorial-example-singleton-j2ee-design-pattern.html

public class SimpleSingleton {
	private static SimpleSingleton singleInstance =  new SimpleSingleton();

	//Marking default constructor private
	//to avoid direct instantiation.
	private SimpleSingleton() {
	}

nandub

//http://viralpatel.net/blogs/2009/01/how-to-take-screen-shots-in-java-taking-screenshots-java.html

import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import java.io.File;

nandub

  File dir = new File("directoryName");
    String[] children = dir.list();
    if (children == null) {
        // Either dir does not exist or is not a directory
    } else {
        for (int i=0; i < children.length; i++) {
            // Get filename of file or directory
            String filename = children[i];
        }
    }

nandub

import java.util.zip.*;
import java.io.*;

public class ZipIt {
    public static void main(String args[]) throws IOException {
        if (args.length < 2) {
            System.err.println("usage: java ZipIt Zip.zip file1 file2 file3");
            System.exit(-1);
        }
        File zipFile = new File(args[0]);

nandub

//Sample XML file

/*
<?xml version="1.0"?>
<students>
	<student>
		<name>John</name>
		<grade>B</grade>
		<age>12</age>
	</student>

nandub

import java.util.Map;
import org.apache.commons.lang.ArrayUtils;

public class Main {

  public static void main(String[] args) {
    String[][] countries = { { "United States", "New York" }, { "United Kingdom", "London" },
        { "Netherland", "Amsterdam" }, { "Japan", "Tokyo" }, { "France", "Paris" } };

    Map countryCapitals = ArrayUtils.toMap(countries);

nandub

import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;

public void postMail( String recipients[ ], String subject, String message , String from) throws MessagingException
{
    boolean debug = false;

     //Set the host smtp address
     Properties props = new Properties();

nandub

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;

public class Main {
	public static void main(String[] args)  {
		try {
			URL my_url = new URL("http://www.viralpatel.net/blogs/");
			BufferedReader br = new BufferedReader(new InputStreamReader(my_url.openStream()));
			String strTemp = "";

nandub

/**
* Reallocates an array with a new size, and copies the contents
* of the old array to the new array.
* @param oldArray  the old array, to be reallocated.
* @param newSize   the new array size.
* @return          A new array with the same contents.
*/
private static Object resizeArray (Object oldArray, int newSize) {
   int oldSize = java.lang.reflect.Array.getLength(oldArray);
   Class elementType = oldArray.getClass().getComponentType();