alan turing osgix

osgix / CheckParanthesis.java

Created May 10, 2017 08:47

Check paranthesis in given string whether they are closed appropriately or not.

	import java.util.Stack;

	public class CheckParanthesis {

	public static void main(String[] args) {

	System.out.println(isValidParanthesis("a(bcd)d"));
	System.out.println(isValidParanthesis("(kjds(hfkj)sdhf"));
	System.out.println(isValidParanthesis("(sfdsf)(fsfsf "));
	System.out.println(isValidParanthesis("{[]}()"));

osgix / ChainOfNames.java

Created May 10, 2017 08:45

Creating output of given names in order that each name is followed by other with starting letter same with preceding one.

	import java.util.ArrayDeque;
	import java.util.Deque;
	import java.util.HashMap;
	import java.util.Map;

	public class ChainOfNames {

	public static void main(String[] args) {
	String[] names = new String[] { "Raymond", "Nora", "Daniel", "Louie", "Peter", "Esteban" };
	String chainOfNames = createChain(names);

osgix / GenerateValidParanthesisPermutations.java

Created May 10, 2017 08:42

Generating valid paranthesis (e.g. (()()), ()()(), ....) is a challenge from Cracking Code Interview Book


	import java.util.LinkedList;
	import java.util.List;

	public class GenerateValidParanthesisPermutations {

	private static final String OPEN = "(";
	private static final String CLOSE = ")";

	public static void main(String[] args) {

osgix / AesDemo.java

Created May 10, 2017 08:29

How to use (AES) symmetric key cryptography with java


	import java.io.BufferedReader;
	import java.io.BufferedWriter;
	import java.io.FileNotFoundException;
	import java.io.FileOutputStream;
	import java.io.FileReader;
	import java.io.FileWriter;
	import java.io.IOException;
	import java.io.ObjectOutputStream;
	import java.util.Base64;

osgix / PrintableHashMap.java

Created May 10, 2017 07:52

Printing key value pairs with given string format e.g. "%s is key of %s"

	package com.example.collection;

	import java.util.HashMap;
	import java.util.Iterator;

	public class PrintableHashMap<K, V> extends HashMap<K, V> {

	private static final long serialVersionUID = 1L;

	public String toString(String format) {

osgix / git_tips.md

Created March 2, 2017 06:42 — forked from fguillen/git_tips.md

Git Tips

(Several of these git examples have been extracted from the book 'Pragmatic guide to GIT' of Travis Swicegood )

Git tips

git config --global user.name "Fernando Guillen"
git config --global user.email "fguillen.mail+spam@gmail.com"

cd /develop/myrepo

osgix / rockpaperscissorsgame

Created January 8, 2014 09:35

Rock paper scissors game with javascript

	var compare = function(userChoice, computerChoice) {
	if(userChoice == 'R') {
	if(computerChoice == 'S') {
	return 1;
	}
	else if(computerChoice == 'P') {
	return 2;
	}
	else {
	return 0;