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Last Updated on 1st December 2020 at 08:20 amThis tutorial will show you Hackerrank 1D Array Part 2 using Kotlin. Let’s play a game on an array! You’re standing at index 0 of an n-element array named game. From some Continue reading
Last Updated on 18th May 2020 at 11:58 amWhat is CopyOnWriteArrayList CopyOnWriteArrayList is a concurrent Collection class introduced in Java 5 Concurrent API. It implements List interface like ArrayList, Vector and LinkedList but it is a thread-safe collection and it Continue reading
This tutorial will show you how to use Java 8 forEach loop to iterate Collection using Lambda Expression. Prior to Java 8 or JDK 8 we used to use the for loop though it was for-each style but in Java Continue reading
Last Updated on 2nd September 2020 at 05:17 pmIn this post, I will show you how to remove duplicate objects from a List using Java’s Comparator interface implementation based on multiple fields in a POJO. You can also check the Continue reading
In this post, I will show you how to find duplicate objects in a List using Java’s Comparator interface implementation based on multiple fields in a POJO. Prerequisites The following configurations are required in order to run the application Eclipse Continue reading
A cache is an amount of faster memory used to improve data access by storing portions of a data set the whole of which is slower to access. Sometimes the total data set are not actually stored at all; instead, Continue reading
Last Updated on 14th May 2020 at 06:39 pmIntroduction In this post we will see how to convert List, Map to JSON in REST Response using Jersey API. We will create three separate REST methods to convert List to JSOn, Continue reading
Last Updated on 27th April 2021 at 08:07 pmIntroduction In this post you will see an example on cucumber data table – convert one column table to a list. Cucumber is a tool for running automated acceptance tests written in Continue reading
Last Updated on 10th January 2021 at 01:42 pmWith this example I will show you how to inject List Collection in Spring application. The collection type I am going to show you is List or Array. I am going to Continue reading
Last Updated on 20th September 2019 at 03:38 pmWe will see what is comparator interface and how to use comparator interface in Java programming language. For more information please go through http://docs.oracle.com/javase/7/docs/api/java/util/Comparator.html A comparison function, which imposes a total ordering Continue reading