Why StringBuffer/StringBuilder should be avoided in HashMap?
Why StringBuffer/StringBuilder should be avoided in HashMap? This is one of the core java interview question under collections category. […]
» Read moreTag: collections
Java Collection Framework (As per Java 8) All Covered in One Image
Java Collection Framework (As per Java 8) All Covered in One Image: Even many experienced java developers know only list/set/map […]
» Read more5 Ways to Remove Null from ArrayList
5 Ways to Remove Null from ArrayList: Removing null from arraylist become some realtime business scenario many times. Removing null […]
» Read moreIterator in Java with Examples
Iterator: Iterator is an object in general to enable the traverse to any collection. Iterator can be used in java […]
» Read moreListIterator in Java with Examples
ListIterator: List Iterator can be used to iterate List interfaces/List type of objects. [eg: ArrayList/LinkedList], But it can not be […]
» Read moreJava Program to check the string word contains with map keys
Java Program to check the string word contains with map keys: Sometimes we need to check the each and […]
» Read moreList Iteration using Lambda Expression in Java 8
Lambda Expression: Lambda expressions are introduced in Java 8 and I feel its a great feature. Here we are going […]
» Read moreSorting irrespective of case in java
Sorting irrespective of case in java: In Java if you want to sort the elements then you can use treeset. […]
» Read moreArraylist vs LinkedList Java
ArrayList Vs LinkedList: ArrayList: 1. Search operation is faster, because it maintains the array structure, so get(index) will search and […]
» Read moreFinding Common values in Arraylist Java Example
Finding Common values in Arraylist: Two arraylists are iterated one inside another for loop and common values are inserted in […]
» Read more