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Gopi Gorantala

Staff engineer architecting Kafka and Flink platforms for banking, where a dropped event is a reconciliation break, not a retry. Through javahandbook.com, I share production-tested guidance on building reliable event-driven systems.

A Detailed Guide On Java Built-In Functional Interfaces

This lesson details about the various functional interfaces that fall under major 4 categories.

What Are Functional Interfaces in Java? With Examples

This is the introductory lesson on functional interfaces. Introduced in Java SE 8, these are powerful and most useful as either lambdas or method reference can use it.

What Are The 3 Types Of Interfaces Available in Java?

In this lesson, you will learn how immutability is achieved through functional programming.

What is Immutability in Java Functional Programming?

In this lesson, you will learn how immutability is achieved through functional programming.

What are Pure & Impure Functions?

This lesson details pure and impure functions with various examples for understanding.

What Problems Does Functional Programming Solve in Java?

Functional programming solves almost all of the business use cases OOP solves. In fact, functional programming reduces bugs due to its immutability in nature.

How is Functional Programming Different From OOP?

In this lesson, you will learn about functional programming and the fundamental differences between object-oriented and functional programming.

What is Declarative Programming? With Examples

In this lesson, you will learn declarative programming and the steps to achieve it. You will also be introduced to some real-world use cases for easy understanding.

What is Imperative Programming? With Examples

In this lesson, you will learn imperative programming and the steps to achieve it. You will also be introduced to some real-world use cases for easy understanding.

What Are Programming Paradigms?

In this lesson, you will learn various programming paradigms in computer science.