Category: dummyCategory

Learn to compare two arraylists in Java with simple examples. We will first test if two arraylists are equal or not then find the difference between lists.

Java8 Stream() is an amazing util class with lots of functionalities. We have published almost ~30+ Java8 Stream related tutorial on Crunchify and this

One of the most amazing projects I’ve learned about this year is GraalVM.I’ve learned about this project during Devoxx Poland (a Polish d…

Learn how to execute multi-resource transactions with Java EE JTA.

If you are a Java programmer and thinking to learn some more programming language to expand your knowledge and skill, but not sure which pr…

This post introduces the top 20 open source libraries that Java programmers should be using, with libraries pertaining to logging, unit testing, HTTP, and more.

A quick and practical guide to runtime method invocation using the Java Reflection API.

Learn the most common Hibernate performance issues and various performance tuning tips to boost up application performance.

In this post, we take a look at one developer’s insights into the world of Java EE, explaining his thoughts behind using this platform for app development.

In this tutorial, we demonstrate one way to enhance your Java EE applications by enabling automatic tracing capabilities with Wildfly 14 and Jaeger.

Learn to remove element from ArrayList. Remove element at specifed index, or element value. Remove all elements from arraylist for spcified value example.

I have the classic “Elvis operator” case, where I’m calling methods that each may return null and chaining them together:thing?:nullableMethod1(a)?:nullableMethod2(b)?:nullableMethod3()In Java …

The Java String contains() searches case sensitive substring in given string. It returns true if substring are found in the string otherwise returns false.