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Core Java
Java 8 – Collections sort() method – List Custom Sort Example By Employe Objects (Id, Name, Age)
A complete guide to Sorting Custom Objects in java. Collections.sort() method does the sorting based on Comparable or Comparator implementation.…
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Core Java
How To Validate Phone Numbers in Java (Regular Expression + Google libphonenumber)
A quick guide to how to validate phone numbers in java for different countries such as the USA, IN. Example…
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Software Development
IntelliJ Plugin Development Tutorial Pt. 3 – Persisting State (Storage)
This post is the third part of the IntelliJ Plugin Development tutorial series. In the last two parts we learnt…
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React.js
ReactJS DatePicker Example
In this example we will take a look at some of the options to display a DatePicker in our ReactJS…
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Core Java
Java 14: Looking at the updated switch statement
JDK 14, released in March 2020, comes with an updated version of the switch statement. This has been a preview…
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Agile
Radical Remote Tip: No Standups
Every single person in a leadership position struggles with (agile) team transparency. These leaders think the team members work alone.…
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Enterprise Java
Latest 20+ JMS Interview Questions and Answers (2020)
A quick walk through to JMS(Java Message Service) frequently asked interview questions and answers. The lastest questions from 2020 are…
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Core Java
HelloWorld.java – Java Program to Print Hello World
Java Beginners’ first example program to print Hello World. 1. Introduction In this tutorial, We’ll learn how to print “Hello…
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Core Java
Java puzzlers from OCA part 2
Welcome to the second part of Java Puzzlers from OCA. In this part we will see an interesting case about…
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