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Difference between List and ArrayList in Java

Last Updated: 20 October 2021

A Collection is a group of individual objects represented as a single unit. Java provides Collection Framework which defines several classes and interfaces to represent a ...read more

Java-Collections

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How to Remove Duplicates from ArrayList in Java

Last Updated: 11 December 2018

Given an ArrayList with duplicate values, the task is to remove the duplicate values from this ArrayList in Java.Examples:Input: List = [1, 10, 2, 2, 10, 3, 3, 3, 4, 5, 5] ...read more

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Remove an Element at Specific Index from an Array in Java

Last Updated: 19 April 2023

Given an array of a fixed length. The task is to remove an element at a specific index from the array.Examples:Input: arr[] = { 1, 2, 3, 4, 5 }, index = 2Output: arr[] = { ...read more

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ArrayList subList() method in Java with Examples

Last Updated: 22 August 2019

The subList() method of java.util.ArrayList class is used to return a view of the portion of this list between the specified fromIndex, inclusive, and toIndex, exclusive. ...read more

Java-Collections

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Initialize an ArrayList in Java

Last Updated: 28 February 2023

ArrayList is a part of collection framework and is present in java.util package. It provides us dynamic arrays in Java. Though, it may be slower than standard arrays but c...read more

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Java-List-Programs

ArrayList forEach() method in Java

Last Updated: 26 November 2018

The forEach() method of ArrayList used to perform the certain operation for each element in ArrayList. This method traverses each element of the Iterable of ArrayList unti ...read more

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Arraylist.contains() in Java

Last Updated: 07 May 2023

In Java, ArrayList contains() method in Java is used for checking if the specified element exists in the given list or not.Syntax of Java ArrayList contains() :public bool ...read more

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ArrayList get(index) Method in Java with Examples

Last Updated: 11 January 2023

The get() method of ArrayList in Java is used to get the element of a specified index within the list.Syntax:get(index)Parameter:Index of the elements to be returned. It i ...read more

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Set to List in Java

Last Updated: 10 June 2022

Given a set (HashSet or TreeSet) of strings in Java, convert it into a list (ArrayList or LinkedList) of strings. In java, Set interface is present in java.util package an ...read more

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Iterating over ArrayLists in Java

Last Updated: 31 October 2021

ArrayList is a part of collection framework and is present in java.util package. It provides us with dynamic arrays in Java. Though, it may be slower than standard arrays ...read more

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Conversion of Array To ArrayList in Java

Last Updated: 26 October 2021

Following methods can be used for converting Array To ArrayList:Method 1: Using Arrays.asList() method Syntax: public static List asList(T... a)// Returns a fixed-size Lis...read more

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ArrayList to Array Conversion in Java : toArray() Methods

Last Updated: 31 May 2023

Following methods can be used for converting ArrayList to Array:Method 1: Using Object[] toArray() methodSyntax: public Object[] toArray() It is specified by toArray in in...read more

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How to remove an element from ArrayList in Java?

Last Updated: 10 January 2023

ArrayList is a part of collection framework and is present in java.util package. It provides us with dynamic arrays in Java. Though, it may be slower than standard arrays ...read more

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ArrayList in Java

Last Updated: 07 May 2023

Java ArrayList is a part of the Java collection framework and it is a class of java.util package. It provides us with dynamic arrays in Java. Though, it may be slower than...read more

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Array vs ArrayList in Java

Last Updated: 04 July 2023

Let us discuss the concept of the arrays and ArrayList briefly in the header to incorporate the understanding in java programs later landing onto the conclusive difference ...read more

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