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Iterator

Iterator is an object that contains a countable number of values.

How can I iterate over a HashMap in Java?

Top Iterator Articles

do while loop in java

do while loop is a fundamental control flow statement of Java. do while loop is used to run some block of code several times based on some condition. It offers a structured and efficient way to handle repetitive tasks. it is an exit control loop.

while loop in java

while loop is a fundamental control flow statement of Java. while loop is used to run some block of code several times based on some condition. It offers a structured and efficient way to handle repetitive tasks.

How to iterate SortedList in C#

How to iterate SortedList in C# | How to iterate generic SortedList<TKey,TValue> in C# | how to access each element in sorted list | loop on sorted list

How to iterate a Dictionary in C# ?

How to iterate a Dictionary in C#? | different methods of iterating a dictionary in c# | c# dictionary iteration | loop a dictionary in c# | apply loop on a c# dictionary

Popular Topics

Git is an open-source distributed version control system.

git branch is a command used to manage branches

git pull is a command used to fetching changes form remote repo

Language-Concepts

This tag is used to understand a basic part of the language.

List of all git commands

GitHub is a web-based hosting service for software development projects that use Git for version control.

Java is a high-level object-oriented programming language. it's firstly released by Sun Microsystems in 1995. Use this tag when you're having queries using or understanding the language. This tag is also applicable to Java libraries and frameworks.

A HashMap is a data structure that stores key-value pairs using hashing for fast access, insertion and deletion. Keys are unique and each maps to exactly one value. It offers average O(1) time complexity for basic operations and is widely used for efficient lookups, caching and data mapping in applications.

Popular Articles

Static Class vs Singleton in C#

Static Class vs Singleton in C#: A Complete Deep Dive

Java Integer.MIN_VALUE

Integer.MIN_VALUE is a fundamental constant which denotes the smallest possible value that can be stored in an integer data type. It is defined under Integer class of Java.lang package

Rotate an array of n elements to the right by k steps

Rotate an array of n elements to the right by k steps | right rotate the elements of an array | array rotate | rotate array by k step

Top 50 SQL Interview Questions and Answers (Beginner to Intermediate)

Top 50 SQL Interview Questions and Answers (Beginner to Intermediate). Top SQL Interview Questions for fresher. Frequently asked SQL interview questions with answers

Namespace in C#

namespace in c# | namspace concept in c# | c# namespace | c sharp namespace | what is namesapce and it's use cases | why should we use namespace

List Handling in Java vs C# vs C++ – A Deep Comparison

List Handling in Java vs C# vs C++ A Deep Comparison, This comparison provides a full view java , c# and c++ List like data structures

Primary Key in SQL

How to create Primary Key. Creating Primary Key syntax. A Primary Key is a database constraint that ensures uniqueness records in the table. Primary Key guarantees no two rows can have the same value in the primary key column(s). The Primary Key not only ensures uniqueness but also improves data access speed and is used to establish relationships between tables.

How to Install and Run Docker on Amazon EC2 by yum

how to install docker on amazon ec2 instance. docker installation command on linux machine, docker commands, Commonly Used Docker Commands on EC2

Mastering the Singleton Design Pattern in C#

Mastering the Singleton Design Pattern in C#, Singleton Design Pattern in Depth: Structure, Use Cases and Best Practices, in depth design pattern, LLD , low level design

Merge Sorted Array

You are given two integer arrays arr1 and arr2, sorted in accending order, and two integers m and n, representing the number of elements in arr1 and arr2 respectively. Merge arr1 and arr2 into a single array sorted in accending order.

Most Popular Tools

Explore our top online tools including a blank page for notes, a QR code generator, word counter and collaborative editor. These free, easy-to-use utilities help you write, analyze, share and organize content faster. Perfect for developers, creators and students to streamline everyday digital tasks efficiently.

Blank Page

Create a blank canvas for your ideas, notes or sketches. Use this tool for rough work and jotting down your thoughts

QR Code Generator

A QR Code Generator is a tool that instantly converts text, URLs or other data into a scannable QR code. Users can create custom QR codes for websites, contact info or messages. It's commonly used for quick access, sharing and printing without needing a backend or complex setup.

Word Counter

Perform various string operations like counting characters, words or letters.

Collaborative Editor

Collab Editor is a powerful, free-to-use online platform that lets you collaborate in real-time. Whether you re working on documents, brainstorming idea, or discussing projects etc