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day-27: Java Abstraction and Inheritance: Key Concepts, Code Examples, and Interview Insights

*Note: * Always we try to approach the problem logically. Abstract Classes Can have at least one abstract method? TrueAbstract classes SHOULD have at least one abstract method? False. ⛶package educa...

19.04.2025 0 Read More

Literal

During class of Python, I heard about Dictionaries Literals. I wonder why it's called literals.Q. What is a Literalliteral is a value you write directly in your code. It is not a variable or a name =&...

19.04.2025 0 Read More

🛠️ Building My Own Mini ORM in Java (As a Beginner)

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19.04.2025 0 Read More

ArrayList in Java

All elements are stored in contiguous memory locations, like a traditional array, but with the ability to resize dynamically.GET Operation:Getting an element at a specific index takes O(1) time comple...

20.04.2025 0 Read More

🌿 Spring Bean Lifecycle & Dependency Injection — What I Just Learned (From a Student's POV)

Yo! So I’ve been on this wild ride learning Java + Spring lately, and the deeper I get into Spring, the more things start to click. Last week, I focused on two core ideas: Dependency Injection (DI) ...

20.04.2025 0 Read More

Energy-Efficient Schema-Driven Development with Spring WebMVC/WebFlux

Introduction There is a concept known as “Schema‑Driven Development.” This is a methodology in which API documentation is first defined as an OpenAPI schema, and from that schema, serve...

20.04.2025 0 Read More

🌿 Spring Expression Language (SpEL): Dynamic Power at Your Fingertips

In the last week, I went down a new rabbit hole in my Spring journey — and this time, it was all about SpEL, aka Spring Expression Language.At first, it felt like "Wait, what even is this sorcery wi...

20.04.2025 0 Read More

day-29: Java Interface Explained: Rules, Real-World Examples, and Multiple Inheritance

What is interface in java? Interface like contract between two of them. Interface methods always in implement in different class. You and company: 1). 2 days leave can taken 2). upskill 1). Interface ...

20.04.2025 0 Read More

day-28: Java Interface Explained: Rules, Real-World Examples, and Multiple Inheritance

20.04.2025 0 Read More

Data Oriented Programming in Java

What is Data Oriented Programming? Why Consider DOP? The Benefits Java's Embrace of Data Textbook Example Introducing New Behavior Introducing New Data Handling Outcomes with Clarity In Conc...

20.04.2025 0 Read More

day-27: Java Abstraction and Inheritance: Key Concepts, Code Examples, and Interview Insights

Literal

🛠️ Building My Own Mini ORM in Java (As a Beginner)

ArrayList in Java

🌿 Spring Bean Lifecycle & Dependency Injection — What I Just Learned (From a Student's POV)

Energy-Efficient Schema-Driven Development with Spring WebMVC/WebFlux

🌿 Spring Expression Language (SpEL): Dynamic Power at Your Fingertips

day-29: Java Interface Explained: Rules, Real-World Examples, and Multiple Inheritance

day-28: Java Interface Explained: Rules, Real-World Examples, and Multiple Inheritance

Data Oriented Programming in Java

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