Tutorials under 'Clean Code'

The Object Class in Java – Mastering equals(), hashCode(), and toString()

Understand the role of Java's Object class and how to override equals(), hashCode(), and toString() for clean, consistent, and bug-free Java applications.

ToString MethodHashCode MethodRecordsJava OOPObject ClassMethod OverridingJava InheritanceEquals MethodJava Best PracticesClean CodeObject Comparison

SOLID Principles in Java OOP – Complete Guide with Examples and Best Practices

Learn SOLID principles in Java with real-world examples, clean code practices, UML-style illustrations, and refactoring tips for scalable object-oriented design

Object Oriented DesignJava OOPSOLID PrinciplesDependency InversionInterface SegregationSingle ResponsibilityOpen ClosedLiskov SubstitutionClean Code

Object-Oriented Design Patterns in Java – Best Practices for Scalable Software Architecture

Learn object-oriented design patterns in Java with real-world examples, UML diagrams, and best practices to write scalable, clean, and reusable code

Software ArchitectureObject Oriented ProgrammingRefactoringUMLDesign PatternsJava OOPSOLID PrinciplesClean CodeJava Best PracticesModular Design

Liskov Substitution Principle in Java – Common Misuses and Clean Fixes

Learn the Liskov Substitution Principle in Java with real-world examples, common pitfalls, and practical refactorings to write clean, robust OOP code.

Object Oriented DesignJava OOPSOLID PrinciplesAbstractionMethod OverridingSealed ClassesInheritanceJava Best PracticesClean CodeLiskov Substitution Principle

Open-Closed Principle in Java OOP – Write Flexible & Extensible Code

Understand the Open-Closed Principle in Java OOP. Learn how to build flexible, extensible software by writing code that is open for extension, closed for modification

RefactoringJava OOPSOLID PrinciplesOpen Closed PrincipleAbstractionInheritanceClean CodeDesign PrinciplesExtensibilityModular Design

OOP Pitfalls in Java – Anti-patterns You Should Avoid

Avoid common OOP pitfalls in Java by learning key anti-patterns, their impact, and how to refactor them for clean, modular design

Object Oriented ProgrammingRefactoringDesign PatternsJava OOPAbstractionCode SmellAnti PatternsInheritanceClean CodeJava Best PracticesModular Design

Immutable Objects in OOP – How to Design and Use in Java

Learn how to design and use immutable objects in Java for better code safety, thread-safety, and maintainability in modern OOP applications

ImmutabilityJava DesignEncapsulationThread SafetyObject DesignFinal ClassJava OOPRecordAbstractionJava Best PracticesClean Code

Designing Immutable String Wrappers in Java for Safer and Cleaner Code

Learn how to design immutable string wrappers in Java to encapsulate and protect text data. Improve code clarity, type safety, and security

ImmutabilityJava DesignStringBuilderImmutable ClassesString ManipulationJava TipsJava PerformanceJava StringsString WrapperClean CodeValue ObjectsString Safety

SOLID Principles in Java with Code Examples

Master SOLID principles in Java with real-world code examples. Learn Single Responsibility, Open/Closed, Liskov, Interface Segregation, and Dependency Inversion.

JavaOopsDesign PrinciplesClean CodeInterviewSolid Principles