What are the topics covered in Java Developing?

The following are the basic topic one needs to cover in order to learn Java :

Java Programming Fundamentals Java Programming Overview

  • Introduction to Java; Java Features
  • In comparison to C and C++
  • JDK/JRE must be downloaded and installed (Environment variables set up)
  • The Structure of the JDK Directory
  • First, launch the Java program from the command prompt.
  • The first Java program was created using Eclipse.

Operators and data types

  • Arrays of data (One dimensional; two- dimensional)
  • Object References Array
  • Array manipulation, accessing arrays
  • Types of Enumerated Data
  • Non-Primary Datatypes
  • In Java, you can define a class, a variable, and a method.
  • Method Calls; Method Signature
  • Expressions in Java; an overview of the various operators
  • Operators for Arithmetic
  • Operators for Relationships
  • Operators Logical
  • Operators with a condition
  • Operator Priority
  • Type Conversions That Are Implicit
  • Downcasting and upcasting

OOPS and its Java implementation

  • Objects and Classes
  • Creating a class; Creating instance variables and methods
  • Making items from a class
  • Object references are used to invoke methods.
  • Abstraction
  • Abstract classes and interfaces
  • Methods that are abstract and non-abstract
  • Inheritance
  • Java keywords are extended and implemented.
  • Subclass and Superclass
  • In Java, this keyword is known as the super keyword for inheritance.
  • Java classes that are concrete
  • Polymorphism
  • Method overloading due to compile time polymorphism
  • Method overriding due to run time polymorphism