Master Java Basics Online Course

Master Java Basics Online Course

Java is a versatile, object-oriented programming language known for its platform independence and rich libraries, making it ideal for building everything from desktop software to enterprise systems. This course takes you from the basics—setting up an IDE, writing your first program, and working with variables, data types, loops, and conditionals—through to advanced topics like OOP principles, arrays, interfaces, exception handling, threads, and file management. You’ll also gain hands-on experience by building a Bookstore App project. By the end, you’ll have a solid grasp of Java concepts, coding practices, and debugging skills, ready to develop practical Java applications.

Who should take this course?

This course is designed for beginners, students, and aspiring developers who want to build a solid foundation in Java programming and kickstart their software development journey.

What you will learn

• Learn Java concepts and use different IDEs used for Java development
• Learn best practices, debugging techniques and solve code errors
• Interpret and use UML diagrams like class and sequence diagrams
• Program to write data to a text file using java and scope elevation
• Create a service layer Interface and implementation layer for a book
• Integrate book repository/converter layer using adapter design pattern

Course Outline

Introduction, Installation, and Environment Setup

• Course Introduction
• Introduction and Advantages of Java
• Disadvantages of Java
• Basics of Java Programming Language
• Java Program Life Cycle
• Downloading and Installing Java
• Writing, Compiling, and Running our First Java Program
• Understanding our First Java Program
• Downloading and Installing IDE
• Creating the first Java project in IDE

Basic Constructs of Java Programming

• Comments in Java
• Naming Convention Part-1
• Naming Convention Part-2
• Variable and Data Types in Java
• Data Types Hands-on
• What are Operators in Java
• Types of Operators
• Arithmetic and Assignment Operators
• Comparison and Logical Operators
• Bitwise and Ternary Operators
• Data Type and Operators Hands-on
• Using For Loop in Java
• Using While Loop in Java
• Using Do While Loop in Java
• If and If Else in Java
• If Else-If-Else in Java
• Taking User Input from Keyboard
• Making Java Program keep running
• Ternary Operator in Java
• Switch Case and Break in Java

Object and Classes

• Understanding Object-Oriented Programming
• Understanding OOPS Concept Continued
• OOPS Concept Analogy
• Understanding OOPS Concepts with Real-World Examples
• Object and Reference vs. Heap and Stack
• Working with Objects and Classes

Polymorphism, Inheritance, Abstraction, Encapsulation

• Understanding the concept of Polymorphism, Static and Dynamic Polymorphism
• Polymorphism, Method Overloading, Debugging
• What are Constructors?
• Constructor Overloading, this keyword
• Understanding the Concept of Inheritance in Java
• Inheritance, super keyword, Dynamic Polymorphism
• Inner Class and Object of Inner Class in Java
• Understanding abstract class and Abstraction in Java
• Hands-on examples of Abstraction and Abstract class in Java

Array, Static, Final, Interface

• Understanding Arrays in Java
• Hands-on with Array Examples
• Mini Project with Array
• Concept of Static in Java
• Handson and Debugging for Static Concept in Java
• Concept of Final in Java
• Hands-on with Final keyword in Java
• Concept of Interface and Multiple Inheritance in Java
• Hands-on and Debugging for Interface and Multiple Inheritance in Java

Wrapper Class, String, StringBuilder, Access Modifier

• Concept of Wrapper Class, Autoboxing and Unboxing
• Hands-on Examples for Wrapper class, Autoboxing and Unboxing
• Concept of String and its Methods in Java
• Hands-on with String and String Functions
• Hands-on with CompareTo method in String
• Concept of Access Modifiers in Java
• Hands-on with Final keyword in Java
• Hands-on with Access Modifiers

Collection Framework and Generics

• Concept of Collection Framework in Java
• Hands-on with Raw ArrayList with Mixed Datatype elements
• Hands-on with Generics-based ArrayList
• Hands-on with Custom Class and ArrayList
• Hands-on with ArrayList methods
• Hands-on with Set and Hashset in Collection Framework
• Hands-on with Map and its Uses

Exception and Exception Handling

• Concept of Exception Handling in Java
• Hands-on with Arithmetic Exception Handling
• Hands-on with Null Pointer Exception Handling
• Hands-on with Array Index Out of Bound Exception handling
• Concept of Finally Block in Exception Handling
• Hands-on with Finally Block in Exception Handling - part-1
• Hands-on with Finally Block in Exception Handling - part-2
• Hands-on with Custom Exception Handling

Multithreading, Synchronization, and Garbage Collection

• What is Thread and Thread Life Cycle
• Different Ways of Creating Threads in Java
• Thread Synchronization in Java
• Garbage Collector and Garbage Collection Mechanism in Java
• Hands-on with Threads in Java

File Handling, Serialization, and Deserialization

• Concept of File and File Handling in Java
• Hands-on Program to Create New File Using Java
• Hands-on Program to Write Data to a Text File using Java and Scope Elevation
• Reading Data from File using Java and Printing in Java
• Getting all information of a file like file size, etc.
• Concept of Marker Interface Serialization Deserialization Transient in Java
• Hands-on program to Serialize and Deserialize Objects in Java

Capstone Project Developed using Java

• Project Overview
• Create Java Project for Bookstore App
• Sequence Diagram Explanation
• Class Diagram Explanation
• Creating all the required packages
• Creating the Book DTO and Entity Classes
• Creating Repository Interface and Implementation Layer for Book
• Creating Service Layer Interface and Implementation Layer for Book
• Creating Controller Layer and Test Client Class for Book
• Integrate Book Client with Controller and Service Layer
• Learn to Debug the code by navigating through what we have built so far
• Integrate Repository & Converter layer for Book by using Adapter Design pattern
• Save the Book Entity in a list inside Repository
• Serialize and save Book Entity in the file
• Write Deserialization logic to get the Book Entity object from the saved file
• Get Book Detail and Deserialize Object and Debugging