Docker Overview

Docker started off as a side project at dotCloud, a Platform-as-a-Service company often compared to Heroku. Some people think that Do... Read more »

How to convert number to words in java

This question was asked from in an interview ( Java interview questions ). But, the mode of asking the question was different. The inte... Read more »

Java Interview Questions and Answers Part 2

Here is my list of another Java interview questions, In my previous post( Tricky Java interview questions and Answers ), I shared some ... Read more »

How to avoid NullPointerException in Java

In Java, a special null value can be assigned to an object’s reference and denotes that the object is currently pointing to unknown pie... Read more »

Overriding equals() and hashCode() method in Java

marketing equals() and hashCode() methods in Java are two fundamental method declared in Object class. equals() method is u... Read more »

Abstract Class vs Interface in Java

Abstract Class and Interface are core part of Java. Whether to chose interface or abstract class is one of the design decision that eve... Read more »

Check if two Strings are Anagram in Java

This question was asked from me in a written test of a top IT MNC company. But, the way of asking the question was different. This ques... Read more »

Find longest Palindrome in a String in Java

This question is asked from me in an interview. To find out the largest palindrome in a string, first we need to identify the logic. ... Read more »

Difference between Trigger and Stored Procedure

Both, stored procedure and trigger are important object of database. So, in this article, I'll explain the subtle differences betw... Read more »

Singleton Design Pattern in Java

Singleton is a part of Gang of Four design pattern and it is categorized under creational design patterns. From the definition, it s... Read more »

Different ways to implement Threads in Java

Java is a multithreaded programming language. A multithreaded program contains two or more threads that can run concurrently and can ha... Read more »