Java-ArrayList

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Difference between List and ArrayList in Java

Last Updated: 05 March 2024

A Collection is a group of individual objects represented as a single unit. Java provides a Collection Framework which defines several class...read more

Java

Java-Collections

Difference Between

Java-ArrayList

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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, ...read more

Java ArrayList set() Method

Last Updated: 12 December 2024

The set() method of the ArrayList class in Java is used to replace an element at a specified position with a new value. This is very useful ...read more

Java

Java-Collections

Java-ArrayList

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Java ArrayList subList() Method

Last Updated: 12 December 2024

The subList() method of the ArrayList class in Java is used to retrieve a portion of an ArrayList between specified indices. When we perform ...read more

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Initialize an ArrayList in Java

Last Updated: 07 April 2025

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

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ArrayList forEach() Method in Java

Last Updated: 10 December 2024

In Java, the ArrayList.forEach() method is used to iterate over each element of an ArrayList and perform certain operations for each element ...read more

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Arraylist.contains() Method in Java

Last Updated: 10 December 2024

In Java, the ArrayList contains() method is used to check if the specified element exists in an ArrayList or not.Example: Here, we will use ...read more

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ArrayList get(index) Method in Java with Examples

Last Updated: 10 December 2024

The get(index) method of ArrayList in Java is used to retrieve the element at the specified index within the list.Example 1: Here, we will u ...read more

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Iterating over ArrayLists in Java

Last Updated: 04 June 2024

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 ...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.....read more

ArrayList to Array Conversion in Java : toArray() Methods

Last Updated: 04 January 2025

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

How to remove an element from ArrayList in Java?

Last Updated: 04 January 2025

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 ...read more

ArrayList vs LinkedList in Java

Last Updated: 24 August 2023

An array is a collection of items stored at contiguous memory locations. The idea is to store multiple items of the same type together. Howe...read more

Last Updated: 12 March 2025

Java ArrayList is a part of the collections framework and it is a class of java.util package. It provides us with dynamic-sized arrays in Ja...read more

Array vs ArrayList in Java

Last Updated: 24 March 2025

In Java, an Array is a fixed-sized, homogenous data structure that stores elements of the same type whereas, ArrayList is a dynamic-size, pa ...read more

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