Dedunu Dhananjaya dedunumax

dedunumax / HelloWorld.java

Created November 20, 2013 13:57

Hello World!

	public class HelloWorld {

	public static void main(String []args) {
	System.out.println("Hello World!");
	}
	}

dedunumax / Variable01.java

Created November 20, 2013 16:50

	public class Variable01 {

	public static void main(String[] args) {
	long startTime = System.nanoTime();
	Method();
	long endTime = System.nanoTime();

	long duration = endTime - startTime;

	System.out.println("Method runtime : " + duration + " ms");

dedunumax / Variable02.java

Created November 20, 2013 16:52

	public class Variable02 {

	public static void main(String[] args) {
	long startTime = System.nanoTime();
	Method();
	long endTime = System.nanoTime();

	long duration = endTime - startTime;

	System.out.println("Method runtime : " + duration + " ms");

dedunumax / Variable03.java

Created November 20, 2013 16:52

	public class Variable03 {

	public static void main(String[] args) {
	long startTime = System.nanoTime();
	Method();
	long endTime = System.nanoTime();

	long duration = endTime - startTime;

	System.out.println("Method runtime : " + duration + " ms");

dedunumax / Variable04.java

Created November 20, 2013 16:53

	public class Variable04 {

	public static void main(String[] args) {
	long startTime = System.nanoTime();
	Method();
	long endTime = System.nanoTime();

	long duration = endTime - startTime;

	System.out.println("Method runtime : " + duration + " ms");

dedunumax / FindWorkPercentage.cs

Last active January 3, 2016 00:09

This class can compare two comma separated word lists and return the matching percentage.

	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;
	using System.Threading.Tasks;

	namespace WordCompare
	{
	class FindWorkPercentage
	{

dedunumax / hadoop-pom.xml

Last active January 3, 2016 05:29

This is a sample pom.xml for hadoop projects. You have to chnage groupId, artifactId, name and package.MainClass according to your project.

	<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>groupId</groupId>
	<artifactId>artifactId</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>Name</name>

dedunumax / DateMinusOne.java

Last active January 4, 2016 13:49

How to get the day prior to a particular date.

	import java.text.SimpleDateFormat;
	import java.util.Calendar;
	import java.util.Date;

	/**
	* Date -1
	* Get the date prior to a specific date.
	*/
	public class DateMinusOne {

dedunumax / Map.java

Last active May 3, 2017 21:47

Code shows how to implement a mapper only Hadoop Job

	package org.dedunumax.mapperOnly;

	import java.io.IOException;

	import org.apache.hadoop.io.LongWritable;
	import org.apache.hadoop.io.Text;
	import org.apache.hadoop.mapreduce.Mapper;

	public class Map extends Mapper<LongWritable, Text, Text, Text> {

dedunumax / DataHandler.java

Created February 7, 2014 16:41

This class shows how to save a list in a file. And how to load it back to memory.

	package org.dedunumax.gist

	import java.io.FileInputStream;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.io.ObjectInputStream;
	import java.io.ObjectOutputStream;
	import java.util.List;

	public class DataHandler {