# Author: Vijay Sinha

- 07 April
### Write a Program to Find the Maximum Difference between Two Adjacent Numbers in an Array of Positive Integers

In this article, we look at a problem : Given an Array of Positive Integers, Find the Maximum Difference between Two Adjacent Numbers. For each pair of elements we need to compute their difference and find the Maximum value of all the differences in array. Let us look at an example, Consider this array: For […]

- 05 April
### Count the Number of Occurrences of a Character in a String in Java

In this article, we will look at a problem: Given an Input String and a Character, we have to Count the Occurrences of such Character in the given String. For Example, If the Given String is : "Java2Blog" and we have to count the occurrences of Character ‘a’ in the String. Therefore, Count of 'a' is […]

- 05 April
### Join 3 or More Tables in SQL

In this article, we will have a look at an important topic in SQL, how to perform Join when there are more than two tables given . Typically, Joins or JOIN Clauses are used to combine rows or records from two or more tables on the basis of a common or related column between them. […]

- 22 March
### Find 2nd Highest Salary of Employee in SQL

In this article, we will look at a popular question How to find 2nd Highest Salary Employee in SQL asked in many interviews. Problem Given a Table of Employees with Employee Details we have to find the Employee with the 2nd Highest Salary. We have to print the Employee details of the Employee or we […]