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Last Updated on 24th June 2020 at 05:10 pmHere I will show you how to iterate Map in Java 8 and add element to List. I came across a situation where I required to fetch data from a HashMap and Continue reading
Last Updated on 16th August 2020 at 07:10 pmIn this example I am going to show you how to iterate over map of list of objects. Let’s say you have keys as strings and values as list of objects in Continue reading
Last Updated on 14th June 2020 at 10:50 pmWhat is WeakHashMap WeakHashMap is based on Hash table implementation of the Map interface but with weak keys. An entry in a WeakHashMap will automatically be removed when its key is no Continue reading
What is LinkedHashMap A LinkedHashMap like HashMap is a simple yet powerful way to store and get data. Unlike HashMap, LinkedHashMap is based on HashTable and Linked list implementation of the Map interface and stores items as key/value pairs. Like Continue reading
What is HashMap A HashMap is a simple yet powerful way to store and get data. HashMap is based on HashTable implementation, that implements the Map interface and stores items as key/value pairs. HashMap permits only unique keys. It also Continue reading
Though we have thread-safe collections classes like HashTable, Synchronized Map, which can be used in multi-threaded environment but there are significant differences between them, which arise from the fact that how they achieve their thread-safety. All methods of Hashtable are 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
In this tutorial I am going to show you how we can use foreach loop in Mule ESB. We will use File Connector to take an XML file as input then we will iterate each entry of XML file content Continue reading