Core Java
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Java Stream: Is a Count Always a Count?
It might appear obvious that counting the elements in aStream takes longer time the more elements there are in the…
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“Callable” vs “Runnable” Tasks in Java Concurrent Programming
When we write multi-threaded applications in Java, we are predisposed to implementing threaded classes by using the “Runnable” interface. Your…
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Top 10 + 1 common mistakes every Java learner makes
It is said, “Your friend will swallow your mistakes, your enemy will present them on a plate”. I am definitely…
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How to Install Multiple Versions of Java on the Same Machine
Some time back I have written one articleJava Lambda Expression Explained with Example but it was easy for me to…
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The Complete Guide to Java 12 New Features
6 months flew by so fast, and again, it’s time to take a closer look at the new JDK version…
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Polymorphic Input/Output Data
When developing any kind of code interface, whether it is an elegant object oriented package or one of those ugly…
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Eliminating Null Pointer Exceptions from your Java Applications
This post is a brief introduction to one of the most useful yet “un-glamorous” features of Java 8. Programmers have…
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Java 12: Mapping with Switch Expressions
In this article, we will be looking at the new Java 12 feature “Switch Expressions” and how it can be…
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Sorting a HashMap In Java
Introduction: In this tutorial, we’ll learn how to sort a Java HashMap. We can sort a HashMap either by keys or…
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