Finding an element in a list is very common task that you may encounter during java programming. This sneppet will teach you how to find an element in list using Java 8 Stream API feature. 1. Define Task POJO: Define… Read More!
This sneppet teaches you how to use ArrayList removeAll() method to remove elements from a ArrayList that are specified in a specific collection. Note, you have to override Object’s equals method to make this work. Example: ArrayList removeAll() method and… Read More!
In this sneppet you will learn how to check if string is not empty and not null in Java. Note, a String with just whitespace is not considered as empty in Java. The following are the ways to test whether… Read More!
This sneppet teaches you how to add new field to every existing document in the mongo db collection. You have to use db.collection.update() with $set operator to perform this operation in the same way you used to update existing field… Read More!
This tutorial will teach you how to manually install jar dependency using maven i.e., how to place third party JAR files in local repository that does not exist in any public repository like Maven Central. So that it will be… Read More!
