In this lecture, we deeply understand Functions (Methods) in Java from absolute basics to advanced concepts like Function Overloading, Chaining, and Recursion.
If you want to write clean, modular and reusable Java code — understanding functions properly is non-negotiable.
This video is part of the Complete Java Full Course Series, where we are building strong fundamentals step by step.
What You’ll Learn in This Video:
What are Functions in Java?
Why do we need Functions?
Types of Functions
How to Define Functions in Code
Understanding the Main Method
Function Overloading (Compile-Time Polymorphism)
Function Chaining
Recursion Explained with Code.
Why Learn Java?
Java is one of the most powerful and widely used programming languages in the world.
It is used in:
Backend development
Enterprise applications
Android development
Banking systems
Large-scale distributed systems
If you want to master Data Structures, Spring Boot, Microservices, or System Design, Java fundamentals are essential.
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Timestamps:
00:00 Intro
00:34 Functions in Java
02:43 What are Functions
15:36 Types of Functions
17:14 Defining Functions in Code
31:01 Main Function
35:08 Function Overloading
48:46 Chaining of Functions
53:35 Code for Chaining
01:02:08 Recursion
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