Sun 10 Nov 2019
### Getting started with Graph Part 1

Sat 07 Sep 2019### Recursively sort a array

Graph are data structures made of vertices & edges. There are lots of interesting problems that can be solved using graphs. Part 1 covers the basic for creating a template for graph data structure.

First we need to create a vertex. A vertex is a fundamental unit of graph. A graph is a set of points (vertices) connected by lines (edges)..Continue reading → graph java code

Sat 07 Sep 2019

I recently came across a simple telephonic interview problem. The problem was to sort an array recursively. But even numbers need to be placed before odd numbers. At first glance it was obvious that it was a simple case of implementation of merge sort.

**Problem Statement**

Continue reading → programming interview merge sort sort java code