Core Java
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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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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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Java puzzlers from OCA part 1
I’m reading Oracle Certified Associate Java SE Programmer book from Mala Gupta in my spare time and I’m surprised with…
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Java 14: Pattern Matching for instanceof
Java 14 introduces Pattern Matching for instanceof, another preview language feature, that eliminates the need for casts when using instanceof.…
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Java 14: Records
Java 14 arrived a few weeks ago and introduces the Record type, which is an immutable data carrier class designed…
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Class JavaDocs Should Be Mandatory in OOP
I’ll admit, the title is a bit of a lie. I actually believe JavaDocs are necessary everywhere: methods, attributes and…
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Java 14 New Features
On 17th March 2020, Oracle has released a new version of Java named Java 14, which includes lots of new…
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How to convert String to int in Java
In this tutorial, we will see the various ways in which we can convert String to int(or Integer) in Java.…
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7 JVM arguments of Highly Effective Applications
At the time (March 2020) of writing this article there are 600+ arguments that you can pass to JVM just…
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