Skip to content

Kloudly Academy

  • Home
  • Learning Paths
    • Java SE Path
      • Level 1: Beginner (Getting Started)Start your Java journey here. Beginner tutorials to set up, write your first code, and understand the basics of Java programming.
      • Level 2: Intermediate (Object-Oriented Foundations)Level 2 builds your Java OOP skills. Learn classes, objects, inheritance, and polymorphism to create structured, reusable applications.
      • Level 3: Advanced (Deep Dive & Modern Java)Level 3 explores modern Java. Learn streams, lambdas, modules, and advanced APIs to write efficient, scalable, and professional code.
  • Java
    • Start Here
      • Entry-level Tutorials
    • Core Java
      • Basic SyntaxLearn Java’s basic syntax: variables, operators, and control flow. Build a strong foundation to write and understand simple programs.
      • Core OOP PrinciplesLearn the four pillars of OOP in Java. Understand encapsulation, inheritance, polymorphism, and abstraction with simple examples.
      • Key Java APIsDive into Java Strings. Explore immutability, StringBuilder, and StringBuffer to manage text efficiently and avoid common pitfalls.
      • ExceptionsLearn Java exceptions and error handling. Use try-catch, finally, and throw to build reliable, resilient, and maintainable programs.
      • Common Java Exceptions
      • Collections FrameworkMaster the Java Collections Framework. Learn Lists, Sets, Maps, and utilities to store, organize, and manipulate data effectively.
    • Java SE LTS Features
      • Java 21 New Features
      • Java 17 New Features
      • Java 11 New Features
      • Java 8 New Features
    • All Java Tutorials
  • Spring
    • All Spring TutorialsIn this series, you will find all the articles related to the Spring ecosystem, including Spring Framework and Spring Boot.
  • DevOps
    • All DevOps Tutorials
  • Flashcards
    • Java FlashcardsAll flashcards about the Core Java SE
    • All Flashcards
  • About
  • Resources
  • Toggle website search
Menu Close
  • Home
  • Learning Paths
    • Java SE Path
      • Level 1: Beginner (Getting Started)
      • Level 2: Intermediate (Object-Oriented Foundations)
      • Level 3: Advanced (Deep Dive & Modern Java)
  • Java
    • Start Here
      • Entry-level Tutorials
    • Core Java
      • Basic Syntax
      • Core OOP Principles
      • Key Java APIs
      • Exceptions
      • Common Java Exceptions
      • Collections Framework
    • Java SE LTS Features
      • Java 21 New Features
      • Java 17 New Features
      • Java 11 New Features
      • Java 8 New Features
    • All Java Tutorials
  • Spring
    • All Spring Tutorials
  • DevOps
    • All DevOps Tutorials
  • Flashcards
    • Java Flashcards
    • All Flashcards
  • About
  • Resources
  • Toggle website search
  • Home
  • Learning Paths
    • Java SE Path
      • Level 1: Beginner (Getting Started)
      • Level 2: Intermediate (Object-Oriented Foundations)
      • Level 3: Advanced (Deep Dive & Modern Java)
  • Java
    • Start Here
      • Entry-level Tutorials
    • Core Java
      • Basic Syntax
      • Core OOP Principles
      • Key Java APIs
      • Exceptions
      • Common Java Exceptions
      • Collections Framework
    • Java SE LTS Features
      • Java 21 New Features
      • Java 17 New Features
      • Java 11 New Features
      • Java 8 New Features
    • All Java Tutorials
  • Spring
    • All Spring Tutorials
  • DevOps
    • All DevOps Tutorials
  • Flashcards
    • Java Flashcards
    • All Flashcards
  • About
  • Resources
  • Home
  • Learning Paths
    • Java SE Path
      • Level 1: Beginner (Getting Started)
      • Level 2: Intermediate (Object-Oriented Foundations)
      • Level 3: Advanced (Deep Dive & Modern Java)
  • Java
    • Start Here
      • Entry-level Tutorials
    • Core Java
      • Basic Syntax
      • Core OOP Principles
      • Key Java APIs
      • Exceptions
      • Common Java Exceptions
      • Collections Framework
    • Java SE LTS Features
      • Java 21 New Features
      • Java 17 New Features
      • Java 11 New Features
      • Java 8 New Features
    • All Java Tutorials
  • Spring
    • All Spring Tutorials
  • DevOps
    • All DevOps Tutorials
  • Flashcards
    • Java Flashcards
    • All Flashcards
  • About
  • Resources
  • Toggle website search
  • Home
  • Learning Paths
    • Java SE Path
      • Level 1: Beginner (Getting Started)
      • Level 2: Intermediate (Object-Oriented Foundations)
      • Level 3: Advanced (Deep Dive & Modern Java)
  • Java
    • Start Here
      • Entry-level Tutorials
    • Core Java
      • Basic Syntax
      • Core OOP Principles
      • Key Java APIs
      • Exceptions
      • Common Java Exceptions
      • Collections Framework
    • Java SE LTS Features
      • Java 21 New Features
      • Java 17 New Features
      • Java 11 New Features
      • Java 8 New Features
    • All Java Tutorials
  • Spring
    • All Spring Tutorials
  • DevOps
    • All DevOps Tutorials
  • Flashcards
    • Java Flashcards
    • All Flashcards
  • About
  • Resources

Core OOP Principles

Read more about the article Types of Polymorphism in Java : Compile-time vs Runtime

Types of Polymorphism in Java : Compile-time vs Runtime

  • Post author:Noel Kamphoa
  • Post published:July 18, 2025
  • Post category:Java Entry Level/Core Java Tutorials/Classes and Objects

Explore the two main types of polymorphism in Java—compile-time and runtime—to write flexible, maintainable, and scalable code.

Continue ReadingTypes of Polymorphism in Java : Compile-time vs Runtime
Read more about the article Method Overloading in Java

Method Overloading in Java

  • Post author:Noel Kamphoa
  • Post published:July 18, 2025
  • Post category:Classes and Objects/Java Entry Level/Core Java Tutorials

Discover how method overloading in Java enables flexible code by allowing multiple methods with the same name but different parameters.

Continue ReadingMethod Overloading in Java
Read more about the article Super Keyword in Java

Super Keyword in Java

  • Post author:Noel Kamphoa
  • Post published:July 15, 2025
  • Post category:Java Entry Level/Core Java Tutorials/Classes and Objects

Learn how to use the super keyword in Java to access parent class fields, methods, and constructors for clear, maintainable code.

Continue ReadingSuper Keyword in Java
Read more about the article Override Methods and Use Polymorphism in Java

Override Methods and Use Polymorphism in Java

  • Post author:Noel Kamphoa
  • Post published:June 18, 2025
  • Post category:Core Java Tutorials/Java Practitioner/Implement Inheritance and Use Records

Master method overriding and polymorphism in Java through clear examples like Animal and Payment systems. Learn to write flexible, clean code

Continue ReadingOverride Methods and Use Polymorphism in Java
Read more about the article Abstract Classes and Interfaces in Java

Abstract Classes and Interfaces in Java

  • Post author:Noel Kamphoa
  • Post published:May 21, 2025
  • Post category:Core Java Tutorials/Java Practitioner/Interfaces and Generics

Compare abstract classes vs interfaces in Java to understand their differences, use cases, and when to use each with examples

Continue ReadingAbstract Classes and Interfaces in Java
Read more about the article Abstract Classes in Java

Abstract Classes in Java

  • Post author:Noel Kamphoa
  • Post published:May 21, 2025
  • Post category:Core Java Tutorials/Java Practitioner/Interfaces and Generics

Discover how abstract classes in Java enable shared logic and enforce design contracts with real-world examples and best practices

Continue ReadingAbstract Classes in Java
Read more about the article Inheritance in Java: Building on Basics for Powerful Programming

Inheritance in Java: Building on Basics for Powerful Programming

  • Post author:Noel Kamphoa
  • Post published:March 8, 2024
  • Post category:Introduction to Java/Core Java Tutorials/Java Entry Level

Explore the simplicity and power of Inheritance in Java. Elevate your programming skills with foundational principles. #JavaDevelopment

Continue ReadingInheritance in Java: Building on Basics for Powerful Programming

Tweets from @nkamphoa

Noel KAMPHOA Follow

#Java enthusiast ☕ | 10+ years coding wizard 🧙‍♂️ | #Blogging about Java at https://t.co/FUPJBD6fB1 | Start your own blog today https://t.co/LQej3RH51A

nkamphoa
nkamphoa Noel KAMPHOA @nkamphoa ·
13h

https://nkamphoa.com/working-with-filesystems-in-java/

Reply on Twitter 2018580464206852302 Retweet on Twitter 2018580464206852302 Like on Twitter 2018580464206852302 Twitter 2018580464206852302
nkamphoa Noel KAMPHOA @nkamphoa ·
14h

Comment your take
#Java #InterviewPrep #BackEnd #Coding #Programming

Reply on Twitter 2018565300615090495 Retweet on Twitter 2018565300615090495 Like on Twitter 2018565300615090495 Twitter 2018565300615090495
Load More
  • LinkedIn
  • Facebook
  • GitHub
  • Twitter

Categories

  • Arrays and Loops
  • AWS Tutorials
  • Classes and Objects
  • Collections
  • Core Java Tutorials
  • DevOps
  • DevOps Featured
  • Exception Handling, Logging and Debugging
  • Featured
  • Implement Inheritance and Use Records
  • Interfaces and Generics
  • Introduction to Java
  • Java Entry Level
  • Java Exceptions
  • Java Expert
  • Java IO API
  • Java LTS Series
  • Java Miscellaneous
  • Java Practitioner
  • Java Stream API
  • Nested Classes and Lambdas Expressions
  • Observability
  • Primitive types, Operators, and Flow control statements
  • Spring Tutorials
  • Text, Date, Time, and Numeric Objects

Tutorials

  • Core Java Tutorials
  • Spring Tutorials
  • DevOps

Courses

  • Java Entry Level
  • Java Practitioner
  • Java Advanced
  • Java Expert

Tutorials

  • Core Java Tutorials
  • Spring Tutorials
  • DevOps

Courses

  • Java Entry Level
  • Java Practitioner
  • Java Advanced
  • Java Expert

Social Media

  • LinkedIn
  • Twitter
  • Facebook
  • Youtube

About

  • About Kloudly Academy
  • Privacy Policy
  • Terms of Service
  • About Kloudly Academy
  • Privacy Policy
  • Terms of Service
Copyright 2026 - by Noel Kamphoa