Micro optimizations in Java. Good, nice and slow Enum

Enums are crucial part of every application larger than “Hello World“. We use them everywhere. They are actually very useful: they restrict the input, allow you to compare the values by the reference, provide compile-time checks, and make the code easier to read.

Enums are crucial part of every application larger than “Hello World“. We use them everywhere. They are actually very useful: they restrict the input, allow you to compare the values by the reference, provide compile-time checks, and make the code easier to read. However, using Enums has a few performance downsides. And we’ll review them in this post.

(Please consider all the code below from the point of performance)

(Please do not focus on numbers, they are just examples to prove the point)

enumeration performance technology programming java

What is OpenJDK? OpenJDk or Open Java Development Kit is a free, open-source framework of the Java Platform, Standard Edition (or Java SE).

Java Programs for Practice will talk about the various programs that will give a head start to beginners with Java Fundamentals.

This is the first video of our Java Tutorial for Beginners Series which will give you an introduction to Java Programming. How java has become one of the most popular programming languages today. Stay tuned for more Java programming videos.

In this video we will learn about all the major concepts that come under Java Core . The course is very carefully designed and is made with keeping simplicit...

This Video 'Hello World Program in Java" will walk you through various basics of writing a program in Java. You can learn how to write a program in Java by following the mandatory parameters. Also, you will learn how to save and compile your first program in Java.