Java – Sorting ArrayList in Descending-order
In this article, we will discuss how to sort contents of ArrayList in descending order using Collections class’s utility sort() and reverseOrder() methods sort(); –> to Read More
Tag: collection framework
Java – How to reverse ArrayList contents ?
In this article, we will discuss how to reverse the contents of ArrayList using Collections class’s utility reverse() method 1. To reverse ArrayList contents : Read More
Java – Adding one ArrayList to another ArrayList using addAll() method
In this article, we will add one ArrayList to another ArrayList contents using addAll() method of Collection interface Adding one ArrayList contents to another ArrayList Read More
Java – Comparing two ArrayList objects using containsAll() method
In this article, we will compare 2 ArrayList contents using containsAll method of Collection interface This Collection method is used to check whether one list Read More
Java – How to check whether particular element is present in an ArrayList ?
In this article, we will discuss an example on how to search whether particular element present in ArrayList or NOT 1. Searching element from ArrayList Read More
Java – How to get sub-list from ArrayList ?
In this article, we will discuss an example on how to get sub list from ArrayList Sub list is the portion of an ArrayList by Read More
Java – How to delete an element and delete all elements of an ArrayList
In this article, we will discuss an example of ArrayList on how to delete a particular element and later deleting all elements 1. ArrayList : Read More
Java – Remove element from ArrayList at specified index position
In this article, we will discuss a simple example on ArrayList on how to remove an element at the specified index position 1. ArrayList : Read More
Java – Adding element to ArrayList at specified index position
In this article, we will discuss a simple example on ArrayList on how to add an element at the specified index position 1. ArrayList : Read More
Java – How to get size or length of an ArrayList
In this article, we will discuss how to find size or length of an ArrayList 1. ArrayList : We can use, size() method of Collection Read More
Java – Iterate through ArrayList in 5 ways
In this article, we will discuss various ways to iterate through ArrayList – 5 ways Various ways to iterate through ArrayList regular for-loop Enhanced for-loop Read More
Java – Creating ArrayList using Collections.nCopies method
In this article, we will discuss how to create ArrayList using Collections class’s utility nCopies() method This is used to create ArrayList containing multiple copies Read More
Java – Conversion of Arrays to List
In this article, we will discuss how to convert Arrays into List using Arrays class’s utility asList() method 1. Conversion of Arrays to List using Read More
Java – Searching element from Arrays using Binary Search Algorithm
In this article, we will discuss how to search an elements from Arrays using Arrays class’ utility binarySearch() method which uses Binary Search algorithm Cautions: Read More
Java – Sorting Arrays using Comparable and Comparator
In this article, we will discuss how to sort Arrays using Arrays class’s utility sort() method Sorting Arrays using Comparable and Comparator : Default Natural Read More
Java – Arrays class with example
In this article, we will discuss Arrays class – a utility class for Collection framework for inter-conversion between arrays and List, which has useful methods for Read More
Java – How to shuffle elements of ArrayList and Arrays ?
In this article, we will learn how to shuffle elements of ArrayList & Arrays using Collections class’ utility method – shuffle() 1. Shuffling elements of Read More
Java – How to copy elements of one ArrayList to another List ?
In this article, we will discuss how to copy elements of one List to another List (ArrayList –> ArrayList) using Collections class’s utility copy() method Copying Read More
Java – How to swap elements of ArrayList ?
In this article, we will discuss how to swap elements of List or ArrayList using Collections class’s utility swap() method 1. Swapping 2 elements of Read More
Java – How to get synchronized version of Collection ?
In this article, we will discuss how to get synchronized version of Collection using Collections class’s utility synchronizedCollection() method Q) How to make Synchronized Collection Read More