Introduction to Java Methods, Types of Methods in Java, Java User defined Methods, What is Java Method?, when we choose Methods? and Advantages of Methods.
Types of Methods in Java, Built-in Methods, User defined Methods, Categories of Built-in methods, 1) String Methods, 2) Number Methods, 3) Array methods and 4) Character Methods etc,
User defined Methods in Java

1. Method with return a value (Perform Operation/s and return a value)
a. Call method by invoking object (Non Static method)
b. Call method without invoking object (Static Object)

2. Method with returns nothing (Perform Operation/s)
a. Call methods by invoking object (Non Static method)
b. Call method without invoking object (Static Method)

Note: We create Methods outside of the main method and we call methods inside of the main method

Overview of Java programming, Java for Selenium, Java Language Elements, Comments in Java, Java Data Types, Java Variables, Java Operators, Java Control Flow, Java String Handling, Java Arrays, Java IO and Java Exception Handling.
Java Object Oriented Programming concepts like Java Inheritance, Java Polymorphism, Java Abstraction and Java Encapsulation.