List: Everything about Java | Curated by Sarangan Janakan

Feb 13, 2025
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Everything about Java
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Towards Dev
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Sarangan Janakan
Spring Boot REST API Best Practices for Controller DevelopmentMastering REST API Development with Spring Boot: A Comprehensive Guide to Building Robust, Scalable, and Maintainable Controllers
Feb 13
Feb 13
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Level Up Coding
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Sarangan Janakan
How to Use Optionals Correctly in Java — Must know do’s and don’ts.Avoid common pitfalls and harness the true power of Optional with these key do’s and don’ts.
Feb 11
1
Feb 11
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Level Up Coding
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Sarangan Janakan
10 ‘Dumb’ Java Inheritance Questions You’re Probably Asking (But Shouldn’t Ignore!)Don’t let hesitation hold you back — Hold  these essential concepts in Inheritance to strengthen your OOP concepts.
Feb 9
1
Feb 9
1
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Level Up Coding
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Sarangan Janakan
Everything to know about Transactional Annotation in Java Spring BootLearn how the @Transactional annotation transforms a chaotic banking system into a reliable and consistent operation.
Jan 27
Jan 27
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Level Up Coding
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Sarangan Janakan
Mastering Java Records: Handling Nulls in Nested Record Patterns in Java (Part-10)Avoid NullPointerExceptions: Mastering Null Handling in Java’s Nested Record Patterns
Jan 8
Jan 8
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Level Up Coding
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Sarangan Janakan
Java interview questions that I struggled to answer : Part -2 — Callable and RunnableShould I use callable or runnable ? mmehhh
Dec 10, 2024
Dec 10, 2024
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CodeX
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Sarangan Janakan
Understanding Type Patterns and the Limitations of Raw Types in JavaLearn why Java’s type patterns can’t infer type arguments from raw types and how to work around this limitation effectively.
Dec 17, 2024
Dec 17, 2024
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Level Up Coding
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Sarangan Janakan
SOLID Principles: The Single Responsibility Principle (Part-1)The Hidden Cost of Mixing Responsibilities: Why ‘Buy 1, Get 1 Free’ Doesn’t Work in Code
Dec 15, 2024
1
Dec 15, 2024
1
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Level Up Coding
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Sarangan Janakan
Understanding Dependency Injection in Spring BootModern version of DI with @RequiredArgsConstructor and @Autowired
Dec 4, 2024
Dec 4, 2024
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Level Up Coding
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Sarangan Janakan
Understanding Shallow Cloning and Deep Cloning in JavaThe object is duplicated, but its nested objects are only referenced, not fully copied. Is this Shallow or Deep
Nov 26, 2024
Nov 26, 2024
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Towards Dev
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Sarangan Janakan
Top 10 Java Interview Questions About the main Method in JavaChallenging Questions about main method That Can Trip You Up During Interviews
Nov 15, 2024
1
Nov 15, 2024
1
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Level Up Coding
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Sarangan Janakan
Java interview questions that I struggled to answer : Part -1 — Atomic Integer vs SynchronizedWhy isn’t my program behaving as expected, even when I use synchronized blocks?
Nov 7, 2024
5
Nov 7, 2024
5
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Towards Dev
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Sarangan Janakan
Mastering Reactive Programming in Java Spring BootIn-Depth Guide to Mono and Flux with Real-World Examples
Nov 6, 2024
1
Nov 6, 2024
1
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Towards Dev
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Sarangan Janakan
A Guide to Tackling Confusions Between Static and Non-Static Methods in JavaUnderstand the internals behinds “variable cannot be referenced from a static context” error message
Nov 5, 2024
1
Nov 5, 2024
1
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Technology Hits
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Sarangan Janakan
Minimizing Object Creation for High-Performance Java Applications5 Techniques for Minimizing Object Creation and Ease Garbage Collector
Nov 3, 2024
7
Nov 3, 2024
7
Sarangan Janakan
Basics on profiling JVM in LinuxProfiling in Linux Terminal
Jul 31, 2018
Jul 31, 2018
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Level Up Coding
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Sarangan Janakan
Everything You Need to Know About Superclass Constructors in JavaSaying new is a Big Deal in object creation. It starts the whole constructor chain reaction.
Nov 2, 2024
1
Nov 2, 2024
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Level Up Coding
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Sarangan Janakan
Introducing Record Patterns for switch in Java (Part-7)Why write countless lines of code and do unnecessary comparisons? Simplify your logic — use `switch` with Java’s record patterns for…
Oct 30, 2024
1
Oct 30, 2024
1
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Nerd For Tech
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Sarangan Janakan
How could a private constructor ever be useful?If no one can call it, then how could anyone ever create an object from it?
Oct 29, 2024
1
Oct 29, 2024
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Towards Dev
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Sarangan Janakan
Understanding Stack and Heap in Java: A Beginner’s Guide.He looked at me and said, ‘I… I can’t feel my methods!’ And I shouted, ‘Hang on, buddy! Stay with me!’ But… it was too late. The garbage…
Oct 26, 2024
Oct 26, 2024