Similar Topics

9.7k+ articles

4.3k+ articles

Java - util package

1.7k+ articles

1.7k+ articles

140+ articles

80+ articles

60+ articles

60+ articles

java-LinkedList

50+ articles

40+ articles

Java-Collections

1.1k posts

Popular articles

Recent articles

HashMap get() Method in Java

Last updated: 11 January 2023

The java.util.HashMap.get() method of HashMap class is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter. It returns NULL when the ...read more

Java-Collections

Java - util package

How to iterate any Map in Java

Last updated: 13 July 2023

There are generally five ways of iterating over a Map in Java. In this article, we will discuss all of them and also look at their advantages and disadvantages.First of al ...read more

Java-Collections

Java-Map-Programs

HashMap in Java

Last updated: 06 September 2023

In Java, HashMap is a part of Java's collection since Java 1.2. This class is found in java.util package. It provides the basic implementation of the Map interface of Java...read more

Java-Collections

Java - util package

Similar Topics

9.7k+ articles

4.3k+ articles

Java - util package

1.7k+ articles

1.7k+ articles

140+ articles

80+ articles

60+ articles

60+ articles

java-LinkedList

50+ articles

40+ articles

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

Java-Collections

Java - util package

Collections.sort() in Java with Examples

Last updated: 31 January 2023

java.util.Collections.sort() method is present in java.util.Collections class. It is used to sort the elements present in the specified list of Collection in ascending ord ...read more

Java-Collections

Java - util package

Java-Collections-Class

Map Interface in Java

Last updated: 07 May 2023

In Java, Map Interface is present in java.util package represents a mapping between a key and a value. Java Map interface is not a subtype of the Collection interface. The...read more

Java-Collections

Java - util package

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

Java-Collections

Java-List-Programs

List Interface in Java with Examples

Last updated: 21 May 2023

The List interface in Java provides a way to store the ordered collection. It is a child interface of Collection. It is an ordered collection of objects in which duplicate...read more

Java-Collections

Java - util package

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

Technical Scripter

Java-Collections

Java - util package

Queue Interface In Java

Last updated: 23 September 2023

The Queue interface is present in java.util package and extends the Collection interface is used to hold the elements about to be processed in FIFO(First In First Out) ord...read more

Java-Collections

PriorityQueue in Java

Last updated: 10 April 2023

A PriorityQueue is used when the objects are supposed to be processed based on the priority. It is known that a Queue follows the First-In-First-Out algorithm, but sometim...read more

Java-Collections

Java - util package

java-priority-queue

Collections in Java

Last updated: 21 September 2023

Any group of individual objects which are represented as a single unit is known as a collection of objects. In Java, a separate framework named the "Collection Framework" ...read more

Java-Collections

Last updated: 10 January 2023

The set interface is present in java.util package and extends the Collection interface. It is an unordered collection of objects in which duplicate values cannot be stored...read more

Java-Collections

Java - util package

LinkedList in Java

Last updated: 12 June 2023

Linked List is a part of the Collection framework present in java.util package. This class is an implementation of the LinkedList data structure which is a linear data str...read more

Java-Collections

Java - util package

java-LinkedList

Stack Class in Java

Last updated: 05 September 2023

Java Collection framework provides a Stack class that models and implements a Stack data structure. The class is based on the basic principle of last-in-first-out. In addi...read more

Java-Collections

Java - util package

1 2 3 4 5 6 7 8 >>