Vaibhav Gautam

Published in The Startup

·Jan 30, 2021

Play Around Singleton Class in Java

We have heard the word “singleton” many time while working in java or being interviewed for the position in java development. What is singleton class ?, Why is it being used ?, How to create singleton class in Java ? etc. These are the most common question being asked…

Java

5 min read

Java

5 min read

Oct 2, 2020

Interesting Autoboxing & Unboxing — JAVA

As a Java developer, we are often being asked, what is the difference between Integer and int. We have used them many times while performing several numeric operations to meet the desired solution for business problems we are required to solve. The difference between them can be an another topic…

Java

4 min read

Java

4 min read

Aug 16, 2020

Data Structures in Background- Java Collection Framework

As a developer we use various data structures to deal with different kind of data to meet certain requirements. We need to decide which data structure is best suited for our requirements. Talking particularly for Java, we are provided with Collection of classes & interfaces which is popularly known as…

Collection

4 min read

Collection

4 min read

Aug 8, 2020

Functional interfaces & Lambda expressions in Java

FUNCTIONAL INTERFACE: A functional interface in Java is an interface consisting of a single abstract method in it. We either can use some functional interface provided by Java or create our own and use it as per our need. Since these interfaces have only one abstract method, these are also…

Java

3 min read

Java

3 min read

Jul 4, 2020

Building simple GraphQL server using Springboot — Beginners example

Brief Introduction: GraphQL is a query language for APIs that allows clients to request limited data they need, making it possible for clients to gather data in a limited number of requests. …

Java

3 min read

Building simple GraphQL server using Springboot — Beginners example

Java

3 min read