• event_list Categories
  • category Components
      • HTML Introduction
      • HTML IDEs
      • HTML Document Structure
      • HTML Elements
      • Text Formatting and Links
      • HTML Anchors (Anchor Links)
      • List and Table
      • Image
      • Absolute and Relative Path in HTML
      • Forms and Input Elements
      • HTML5 Features
      • Accessibility and Best Practices in HTML
      • Semantic HTML
      • Web Accessibility (a11y)
      • SEO and Meta Tags
      • Web Components
      • SVG and Canvas
      • HTML Tables Deep Dive
      • Media Elements
      • Advanced Meta Tags and Document Head
      • Introduction to CSS
      • CSS IDEs
      • Flexbox Layout
      • CSS Grid Layout
      • CSS Architecture
      • CSS Preprocessors (Sass)
      • CSS Performance
      • Modern CSS Features
      • Print Styles
      • Dark Mode with CSS
      • Container Queries Deep Dive
      • CSS Syntax and Selectors
      • CSS Box Model
      • CSS Layout Techniques
      • Styling Text and Fonts
      • Colors and Backgrounds
      • CSS Transitions and Animations
      • Responsive Design
      • CSS Frameworks and Libraries
      • Advanced CSS Topics
      • Introduction to JavaScript
      • Installing JavaScript
      • JavaScript IDEs
      • Hands-On
      • Comments
      • Function altert
      • Function prompt
      • Function console.log
      • Data Types
      • Number
      • String
      • Boolean and Truthy/Falsy
      • Varables
      • Identifier Naming Conventions
      • Function typeof
      • Data Type Conversion
      • Math in JavaScript
      • Math Operators in JavaScript
      • if in JavaScript
      • switch in JavaScript
      • Loops in JavaScript
      • Functions in JavaScript
      • DOM Manipulation
      • Events in JavaScript
      • Strict Mode
      • Git Basics for Developers
      • Debugging JavaScript
      • JavaScript Arrays
      • JavaScript Objects
      • Asynchronous JavaScript
      • JavaScript Errors
      • ES6+ Features
      • APIs and Fetch
      • Scope and Closures
      • Prototypes and Inheritance
      • The this Keyword
      • Regular Expressions
      • Map, Set, WeakMap, and WeakSet
      • JSON
      • The Event Loop
      • Iterators and Generators
      • Browser Storage
      • Advanced Functions
      • Security in JavaScript
      • JavaScript Testing
      • Functional Programming
      • Design Patterns in JavaScript
      • Performance Optimization
      • Memory Management
      • ES Modules and Module Patterns
      • Proxy and Reflect
      • Web Workers
      • Modern JavaScript (ES2020+)
      • TypeScript Introduction
      • Web APIs Deep Dive
      • Error Handling Deep Dive
      • JavaScript Build Tools
        • Array.map()
        • Array.filter()
        • Array.reduce()
        • Array.forEach()
        • Array.find()
        • Array.findIndex()
        • Array.some()
        • Array.every()
        • Array.includes()
        • Array.indexOf()
        • Array.slice()
        • Array.concat()
        • Array.flat()
        • Array.flatMap()
        • Array.sort()
        • Array.reverse()
        • Array.splice()
        • Array.toSorted()
        • Array.at()
        • Array.fill()
        • Array.copyWithin()
        • Array.entries()
        • Array.keys()
        • Array.values()
        • Array.from()
        • Array.of()
        • Array.isArray()
        • String.charAt()
        • String.charCodeAt()
        • String.slice()
        • String.substring()
        • String.substr()
        • String.indexOf()
        • String.lastIndexOf()
        • String.includes()
        • String.startsWith()
        • String.endsWith()
        • String.trim()
        • String.trimStart()
        • String.trimEnd()
        • String.toLowerCase()
        • String.toUpperCase()
        • String.replace()
        • String.replaceAll()
        • String.split()
        • String.padStart()
        • String.padEnd()
        • String.repeat()
        • String.match()
        • String.matchAll()
        • String.search()
        • String.localeCompare()
      • Introduction to React
      • Project Setup
      • JSX
      • Components
      • Props
      • State
      • Events in React
      • Lists and Keys
      • Forms in React
      • React Hooks Overview
      • useEffect
      • Context and useReducer
      • React Router
      • Performance Optimization
      • Testing React
      • State Management
      • TanStack Query
      • Introduction to Angular
      • Project Setup
      • Components and Templates
      • Data Binding
      • Directives
      • Services and Dependency Injection
      • Routing
      • Forms
      • HTTP Client
      • RxJS and Observables
      • State Management
      • Testing
      • Introduction to TypeScript
      • Setup and Configuration
      • Basic Types
      • Functions and Interfaces
      • Classes and Inheritance
      • Generics
      • Utility Types
      • Modules and Namespaces
      • Type Guards and Narrowing
      • Advanced Types
      • TypeScript with React
      • TypeScript with Node.js
      • Introduction to Next.js
      • Project Setup
      • Project Structure
      • Routing
      • Server and Client Components
      • Data Fetching
      • Rendering Strategies
      • API Routes and Route Handlers
      • Middleware
      • Styling
      • Metadata and SEO
      • Authentication
      • Deployment
      • Introduction to Vue
      • Project Setup
      • Template Syntax
      • Reactivity Fundamentals
      • Components Basics
      • Lifecycle Hooks
      • Forms and v-model
      • Vue Router
      • Pinia State Management
      • Composables
      • Async and API Integration
      • Testing Vue
      • Build and Deploy
      • Introduction to Java
      • Installing Java Development Kit (JDK)
      • Java IDEs
      • "Hello World" Java program
      • Explanation of "Hello, World!"
      • Input and Output in Java
      • Comments in Java
      • Java Variables
      • Java Data Types
      • Java Operators
      • Java Control Flow Statements
      • Loops in Java
      • Java Object-Oriented Programming (OOP)
      • The "this" Keyword in Java
      • Java Constructor
      • Java Methods
      • Static Members in Java
      • Access Modifiers in Java
      • String Handling in Java
      • Java Arrays
        • Common Java Interview Questions
        • Collections Interview Questions
        • Concurrency Interview Questions
      • Java Collections
      • Utility classes in Java
      • Java Exception Handling
      • Java I/O
      • Multithreading and Concurrency in Java
      • Java Network Programming
        • Generics
        • Annotations
        • Enums
        • Records
        • Sealed Classes
        • Lambda Expressions
        • Functional Interfaces
        • Introduction to Spring
        • Spring Core (IoC & AOP)
        • Spring Boot
        • Spring Data & Persistence
        • Spring Security
        • Stream API
        • Optional
        • Comparable & Comparator
        • Collections Best Practices
        • Thread Pools
        • Locks & Synchronizers
        • CompletableFuture
        • Virtual Threads
        • Concurrent Collections
        • NIO Basics
        • NIO.2 File API
        • Serialization
        • Character Sets & Encoding
        • JVM Architecture
        • Class Loading
        • Java Memory Model
        • Garbage Collection
        • Bytecode Basics
        • JPMS Overview
        • Module Dependencies
        • java.time API
        • Date/Time Formatting
        • Reflection Basics
        • Dynamic Proxy
        • jcmd, jmap & jstack
        • JFR & VisualVM
        • jlink & jpackage
        • Key-value hash table
        • Unique elements set
        • Resizable array list
        • Doubly-linked list
        • Sorted map
        • Sorted set
        • Heap-based queue
        • Null-safe container
        • Stream map operation
        • Stream filter operation
        • Stream reduce operation
        • Stream collect to collection
        • Async composition
        • Thread pool executor
        • Explicit locking
        • Sync latch
        • Permit-based sync
        • NIO file operations
        • TCP networking
        • Java 11+ HTTP client
      • Introduction to PHP
      • Installing PHP
      • PHP IDEs
      • Basic PHP Syntax
      • Operators in PHP
      • Control Structures in PHP
      • Functions in PHP
      • Arrays in PHP
      • Strings in PHP
      • Forms and User Input in PHP
      • Sessions and Cookies in PHP
      • File Handling in PHP
      • Working with Databases in PHP
      • Error Handling in PHP
      • Object-Oriented Programming (OOP) in PHP
      • Constructor in PHP
      • Interface in PHP
      • $this in PHP
      • Trait in PHP
      • PHP Best Practices
      • PHP Frameworks, RESTful APIs, and Unit Testing
      • Strict Types
      • PHP Standard Recommendations (PSRs)
      • Namespaces and Autoloading
      • Composer Package Management
      • Laravel Framework
      • Symfony Framework
      • PHP Security
      • PHP Performance Optimization
      • PHP 8+ Features
      • Deployment and DevOps
      • PHPUnit Testing
      • PHP Caching Strategies
      • Advanced PHP API Development
      • WordPress Development
      • PHP Performance Deep Dive
      • Introduction to Python
      • Python Installation
      • Python Basics
      • Python IDEs
      • Python Comments
      • Functions and Modules in Python
      • File Handling in Python
      • Python Error Handling and Exceptions
      • Python Error Handling and Exceptions
      • Python Advanced Topics
      • Python Libraries and Frameworks
      • Python Testing and Quality Assurance
      • Decorators and Generators
      • Async Python
      • Web Development with Flask and Django
      • Data Science Basics
      • Packaging and Virtual Environments
      • Performance and Profiling
      • Django Deep Dive
      • FastAPI
      • Machine Learning with Python
      • Data Engineering with Python
        • List Comprehensions
        • Dict Comprehensions
        • Generators
        • Decorators
        • Context Managers
        • Type Hints
        • Dataclasses
        • Pathlib
        • Asyncio Basics
        • Unittest
        • Pytest Fixtures
        • Logging
        • Argparse
        • Json Module
        • Csv Module
        • Sqlite3
        • Requests Http
        • Virtualenv
        • Packaging Pip
        • Itertools
        • Functools
        • Collections Module
        • Re Regex
        • Datetime Module
        • Multiprocessing
        • Threading
        • Subprocess
        • Os Module
        • Sys Module
      • Introduction to C#
      • Installing C# (.NET Development Environment)
      • Hello, World! Console Application in C#
      • Structure of a C# Program
      • Variables and Data Types
      • Control Flow
      • Methods and Functions
      • OOP in C#
      • Collections and LINQ
      • Exception Handling
      • File I/O
      • ASP.NET Core Basics
      • Async/Await
      • Entity Framework Core
      • Dependency Injection
      • Testing with xUnit
      • Blazor Development
      • Microservices with C# and .NET
      • Introduction to Node.js
      • Setup and First App
      • Node.js Modules
      • npm and package.json
      • File System
      • HTTP Module
      • Streams and Buffers
      • Events and EventEmitter
      • Environment Variables
      • Express.js Basics
      • Middleware
      • REST API Design
      • Database Integration
      • Error Handling
      • Node.js Security
      • Deployment
      • WebSockets and Real-Time
      • Testing Node.js
      • GraphQL with Node.js
      • Microservices with Node.js
      • Message Queues in Node.js
      • Scaling Node.js Applications
    • Todo List App
    • Calculator
    • Weather App
    • REST API with Express
    • React Shopping Cart
    • Full-Stack Blog
    • Real-Time Chat
    • Vue Dashboard
    • React Native Notes App
      • Introduction to MySQL
      • Installing MySQL
      • SQL Basics
      • Data Types and Schema Design
      • CRUD Operations
      • Joins and Subqueries
      • Indexes and Query Optimization
      • Transactions and ACID
      • Stored Procedures and Triggers
      • Performance Tuning
      • Replication and High Availability
      • Backup and Recovery
      • Security Best Practices
      • Stored Functions and UDFs
      • Table Partitioning
      • Monitoring and Observability
      • Introduction to MSSQL (Microsoft SQL Server)
      • Installing MSSQL (Microsoft SQL Server)
      • SQL Server Management Studio (SSMS)
      • Basic SSMS Features
      • T-SQL Basics
      • Data Types and Schema Design
      • CRUD Operations
      • Joins and Views
      • Stored Procedures and Functions
      • Indexes and Query Optimization
      • Transactions and Locking
      • High Availability (Always On)
      • Backup and Recovery
      • Security and Auditing
      • Performance Tuning
      • Always On Deep Dive
      • Query Store Deep Dive
      • Production Operations
      • Replica Sets and Sharding
      • Performance Optimization
      • Change Streams and Transactions
      • MongoDB Atlas
      • MongoDB Sharding Deep Dive
      • MongoDB Production Operations
      • Introduction to MongoDB
      • Installing MongoDB
      • MongoDB Basics
      • CRUD Operations
      • Indexing in MongoDB
      • MongoDB Aggregation Framework
      • MongoDB Data Modeling
      • MongoDB Security
      • Introduction to Redis
      • Installing Redis
      • Redis Data Structures
      • Strings, Hashes, and Lists
      • Sets, Sorted Sets, and Streams
      • Caching Strategies
      • Pub/Sub Messaging
      • Session Storage
      • Persistence (RDB and AOF)
      • Redis Cluster
      • Performance and Monitoring
      • Redis Sentinel High Availability
      • Redis Memory Optimization
      • Redis Production Patterns
      • Introduction to AWS
      • AWS Account Setup
      • IAM and Security Basics
      • EC2 — Virtual Servers
      • S3 — Object Storage
      • RDS — Managed Databases
      • VPC — Networking
      • Lambda — Serverless
      • CloudWatch — Monitoring
      • Elastic Load Balancing
      • Well-Architected Framework
      • Cost Optimization
      • DevOps with CodePipeline
      • ECS and EKS — Container Orchestration
      • Advanced Networking
      • Disaster Recovery on AWS
      • Introduction to Azure
      • Azure Account Setup
      • Azure Active Directory
      • Virtual Machines
      • Azure App Service
      • Azure SQL Database
      • Azure Storage
      • Azure Functions Serverless
      • Azure Monitor
      • Azure Kubernetes Service
      • Azure Well-Architected Framework
      • Cost Management
      • DevOps with Azure DevOps
      • Azure Container Instances and Container Apps
      • Advanced Networking
      • Disaster Recovery on Azure
      • Introduction to GCP
      • GCP Account Setup
      • IAM and Security
      • Compute Engine
      • Cloud Storage
      • Cloud SQL
      • VPC Networking
      • Cloud Functions Serverless
      • Cloud Monitoring
      • Google Kubernetes Engine
      • Architecture Best Practices
      • Cost Optimization
      • CI/CD with Cloud Build
      • Cloud Run — Serverless Containers
      • Advanced Networking on GCP
      • Disaster Recovery on GCP
      • Introduction to C Programming Language
      • Installing C Compiler
      • C IDEs and Development Tools
      • Hello World in C
      • Variables and Data Types in C
      • Control Flow in C
      • Functions in C
      • Arrays and Strings in C
      • Pointers in C
      • Structures and Unions in C
      • File I/O in C
      • Dynamic Memory in C
      • Preprocessor and Macros in C
      • Makefiles and Multi-file Projects
      • Systems Programming in C
      • Debugging C Programs
      • Network Programming in C
      • Embedded C Programming
      • Introduction to C++
      • Installing C++
      • C++ IDEs and Tools
      • Hello World in C++
      • Variables and Data Types in C++
      • Control Flow in C++
      • Object-Oriented Programming in C++
      • Inheritance and Polymorphism in C++
      • STL Containers in C++
      • STL Algorithms in C++
      • Templates in C++
      • Smart Pointers in C++
      • Modern C++ (C++11/14/17/20)
      • Move Semantics and RAII in C++
      • Concurrency in C++
      • Performance Optimization in C++
      • C++ Template Metaprogramming
      • C++20 Coroutines
      • C++ Best Practices and Style
      • Introduction to GoLang
      • Installing Go (Golang)
      • Dependency Management with Go Modules
      • Go IDEs and Tools
      • Dependency Management Before Go Modules
      • Hello World in Go
      • Variables and Types in Go
      • Control Flow in Go
      • Functions in Go
      • Structs and Interfaces in Go
      • Error Handling in Go
      • Concurrency in Go
      • Testing in Go
      • HTTP and Web Servers in Go
      • Context and Cancellation in Go
      • Performance and Profiling in Go
      • Deployment and Docker in Go
      • Microservices with Go
      • Advanced Profiling in Go
      • Production Go Best Practices
      • Introduction to Rust
      • Installing Rust
      • Rust IDEs and Tools
      • Hello World in Rust
      • Variables and Mutability
      • Ownership and Borrowing
      • Structs and Enums
      • Pattern Matching
      • Traits and Generics
      • Error Handling (Result/Option)
      • Collections and Iterators
      • Modules and Crates
      • Smart Pointers in Rust
      • Async Rust (Tokio)
      • Unsafe Rust and FFI
      • Performance and Benchmarking
      • Rust Macros — macro_rules! and Procedural
      • Advanced Testing in Rust
      • Production Rust Best Practices
      • Introduction to Dart
      • Installing Dart and Flutter
      • Dart IDEs and Tools
      • Hello World in Dart
      • Variables and Types
      • Control Flow
      • Functions and Classes
      • Async and Futures
      • Collections and Generics
      • Flutter Setup
      • Widgets and Layout
      • State Management
      • Navigation and Routing
      • Custom Widgets and Animations
      • Platform Channels
      • Testing and Deployment
      • Advanced Flutter Animations
      • Advanced State Management
      • Production Flutter Best Practices
      • Introduction to Linux
      • Linux Distributions
      • Installation and First Login
      • The Bash Shell
      • File System and Permissions
      • Essential Commands
      • Text Processing (grep, sed, awk)
      • User and Group Management
      • Process Management
      • Package Management (apt/yum)
      • Systemd Services
      • Networking and Firewall
      • SSH and Remote Access
      • Shell Scripting
      • Server Hardening and Security
      • Linux Containers (Docker/Podman)
      • Linux Log Management
      • Linux Automation (Ansible/cron)
      • 1. Singleton
      • 2. Factory Method
      • 3. Abstract Factory
      • 4. Builder
      • 5. Prototype
      • 6. Adapter
      • 7. Bridge
      • 8. Composite
      • 9. Decorator
      • 10. Facade
      • 11. Flyweight
      • 12. Proxy
      • 13. Chain of Responsibility
      • 14. Command
      • 15. Interpreter
      • 16. Iterator
      • 17. Mediator
      • 18. Memento
      • 19. Observer
      • 20. State
      • 21. Strategy
      • 22. Template Method
      • 23. Visitor
      • Introduction to Anti-Patterns
      • Common Design Anti-Patterns
    • Introduction to Git
    • Git Basics
    • Git Branching and Merging
    • Advanced Git
    • Git Collaboration
    • Introduction to Docker
    • Docker Installation
    • Dockerfile
    • Docker Compose
    • Production Docker
    • Introduction to CI/CD
    • GitHub Actions
    • Jenkins
    • CI/CD Best Practices
      • Kubernetes overview
      • Pods workload unit
      • Deployment controller
      • Cluster networking
      • HTTP routing
      • Configuration data
      • Sensitive data
      • Persistent storage
      • Resource isolation
      • Package manager
      • CLI essentials
      • Horizontal Pod Autoscaler
      • Role-based access
      • Health checks
      • Batch workloads
    • OSI 7-layer model
    • TCP/IP protocol suite
    • Domain Name System
    • HTTP request methods
    • HTTP status codes
    • HTTPS and TLS
    • HTTP cookies
    • Cross-Origin Resource Sharing
    • WebSocket protocol
    • Load balancing concepts
    • Content Delivery Networks
    • IP subnetting
    • Network Address Translation
    • Virtual Private Networks
    • Firewall rules
  • to navigate
  • to select
  • to close
    • Home
    • Back End
    • Java Standard Edition (Java SE)
    On this page
    • From Hello World to JVM internals.
      • Stage 1: Java Basics
      • Stage 2: Core Java APIs
      • Stage 3: Advanced Language Features
      • Stage 4: Collections & Streams
      • Stage 5: Concurrency (Expert)
      • Stage 6: I/O & NIO
      • Stage 7: JVM & Performance (Expert)
      • Stage 8: Modules, Reflection & Tools
      • Stage 9: Spring Framework (Expert)
      • Stage 10: Interview Preparation (Expert)
    • From Hello World to JVM internals.
      • Stage 1: Java Basics
      • Stage 2: Core Java APIs
      • Stage 3: Advanced Language Features
      • Stage 4: Collections & Streams
      • Stage 5: Concurrency (Expert)
      • Stage 6: I/O & NIO
      • Stage 7: JVM & Performance (Expert)
      • Stage 8: Modules, Reflection & Tools
      • Stage 9: Spring Framework (Expert)
      • Stage 10: Interview Preparation (Expert)

    Java Standard Edition (Java SE)

    article

    Introduction to Java

    Introduction to Java programming language, known for its platform independence, object-oriented …
    article

    Installing Java Development Kit (JDK)

    Guide to installing Java Development Kit (JDK) on various platforms including Linux (CentOS/RHEL, …
    article

    Java IDEs

    Learn about Java IDEs, including Eclipse, IntelliJ IDEA, NetBeans, Oracle JDeveloper, Visual Studio …
    article

    "Hello World" Java program

    Learn about Java IDEs, including Eclipse, IntelliJ IDEA, NetBeans, Oracle JDeveloper, Visual Studio …
    article

    Explanation of "Hello, World!"

    Explore a detailed explanation of the "Hello, World!" program in Java. Understand the basic …
    article

    Input and Output in Java

    Understand input and output operations in Java using the Scanner class and System.out for reading …
    article

    Comments in Java

    Learn about comments in Java, including single-line, multi-line, and documentation comments. …
    article

    Java Variables

    Learn about Java variables, including their declaration, initialization, data types, scope, and …
    article

    Java Data Types

    Explore the comprehensive guide on Java data types, including primitive types like byte, short, int, …
    article

    Java Operators

    Explore the comprehensive guide on Java data types, including primitive types like byte, short, int, …
    article

    Java Control Flow Statements

    Learn about Java control flow statements including if, if-else, if-else if-else, switch, while, …
    article

    Loops in Java

    Learn about Java loops including while, do-while, for, and for-each loops. This tutorial provides …
    article

    Java Object-Oriented Programming (OOP)

    Learn the principles of Object-Oriented Programming (OOP) in Java, including classes, objects, …
    article

    The "this" Keyword in Java

    Learn about the this keyword in Java, including how to use it to refer to instance variables, invoke …
    article

    Java Constructor

    Learn about Java constructors, including default and parameterized constructors, as well as …
    article

    Java Methods

    Explore Java methods, including method declaration, parameters, return types, and method …
    article

    Static Members in Java

    Understand static members in Java, including static variables, static methods, and static blocks. …
    article

    Access Modifiers in Java

    Learn about Java access modifiers including public, protected, default (no modifier), and private. …
    article

    String Handling in Java

    Learn the fundamentals of string handling in Java with this comprehensive tutorial. Explore methods …
    article

    Java Arrays

    Explore Java Arrays with this comprehensive tutorial. Learn how to declare, initialize, and …
    article folder

    Java Interview Prep

    Java interview preparation — common questions, collections deep dive, and concurrency topics …
    article

    Java Collections

    Discover Java Collections with this comprehensive tutorial. Explore essential interfaces like List, …
    article

    Utility classes in Java

    Discover Java Collections with this comprehensive tutorial. Explore essential interfaces like List, …
    article

    Java Exception Handling

    Learn Java Exception Handling with this comprehensive tutorial. Understand key concepts like …
    article

    Java I/O

    Discover Java Collections with this comprehensive tutorial. Explore essential interfaces like List, …
    article

    Multithreading and Concurrency in Java

    Discover Java Collections with this comprehensive tutorial. Explore essential interfaces like List, …
    article

    Java Network Programming

    Discover Java Collections with this comprehensive tutorial. Explore essential interfaces like List, …
    article folder

    Advanced Language Features

    Generics, annotations, enums, records, sealed classes, and modern Java syntax.
    leaf folder

    Spring Framework

    Enterprise Java development with Spring — IoC, Spring Boot, data access, security, and production …
    article folder

    Collections & Functional APIs

    Stream API, Optional, and advanced collection operations.
    article folder

    Concurrency & Parallelism

    Thread pools, locks, CompletableFuture, and virtual threads.
    article folder

    I/O & NIO

    Classic I/O, NIO, NIO.2, and object serialization.
    article folder

    JVM Internals

    JVM architecture, class loading, memory model, and garbage collection.
    article folder

    Java Platform Modules

    Java Platform Module System (JPMS) introduced in Java 9.
    article folder

    Date & Time API

    The java.time package and modern date/time handling.
    article folder

    Reflection & Dynamic Proxies

    Runtime introspection and dynamic proxy generation.
    article folder

    JDK Tools & Diagnostics

    Command-line tools and profiling for Java applications.
    article folder

    Java API Reference

    Java collections, concurrency, and IO reference.

    © 2026 Gaze Hub.