The Complete Core Java Course : Learn to Code

The Complete Core Java Course : Learn to Code

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Learn Java from scratch. Ideal for testing professionals transitioning to DevOps or Automation. Java for Selenium.

Updated on Sep, 2026

Programming, Programming Languages, Java

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This course is specially designed for students who do not have prior coding experience. The course covers all the Core Java Concepts from basic to advanced levels along with practical examples and coding exercises.

This course covers Core Java topics in detail from basic to advanced levels. I believe in example-oriented teaching. So, you won’t find any PPTs during the sessions. But, you will find dozens of real-time scenarios used to elaborate Java basic and advanced concepts.

Feel free to post your questions/feedback in the block provided under each session video. I will make sure that all of your queries are addressed. ‘Course Outline’ below will give you a good idea about the depth and the overall coverage of this course.

JDK 10 and Eclipse Installation

Hello World Java Program

Primitive Data Types in Java

'var' keyword in Java 10

Arithmetic Operators in Java

Logical and Bitwise Operators in Java

Relational Operators in Java

If - Condition in Java

Nested If - Condition in Java

Hands-On Exercises on 'For Loop'

Nested For Loop in Java

Hands-On Exercises on 'Nested For Loop'

'While' & 'Do While' Loop in Java

Loop 'Break' & 'Continue' Statements in Java

String Basics in Java

String Comparison Operations in Java

String Search Operations in Java

String (Cut) Slice Operations in Java

String Replace Operations in Java

String Conversion Operations in Java

Object Oriented Programming (OOPS) in Java:

Concept of Classes and Objects in Java

Hands-on exercises in Class and Object

Method Overloading in Java

Access Specifiers (Access Modifiers) in Java

Data Encapsulation in Java

Static Keyword in Java

Concept of Main Method in Java

Class and Object Advanced Exercises

Class Inheritance in Java

Method Overriding in Java

Polymorphism in Java

Super Keyword in Java

Super Class Constructor in Java

Protected Access in Java

Interfaces in Java (Java Interface)

Final Keyword in Java

Data Structures in Java:

Array Object in Java

Enhanced (Modified) For Loop for Array Iteration in Java

Hands-on Exercises on Array in Java

2-Dimensional Arrays in Java

Hands-on Exercise on 2D Arrays in Java

Array of Object in Java

Array List in Java (ArrayList)

Structure of ArrayList in Java

Linked List in Java (LinkedList)

ArrayList vs LinkedList in Java

List Iterator in Java

Linked Hash Set in Java

Iterating on Set in Java

Iterating Over Maps in Java

Regular Expressions in Java:

Introduction to RegEx in Java

Quantifiers in Regular Expressions

Character Classes in Regular Expressions

OR Operator in RegEX

DOT Operator in RegEX

Greedy and Lazy Matching

Hands-on Exercises on Regular Expressions

Regularizing Number Ranges

Exception Handling in Java:

What is an Exception in Java?

Error vs Exception in Java

Checked and Unchecked Exceptions in Java

Throws Declaration in Java

Try and Catch Block (Exception Handling) in Java

'Finally' Block in Java

Date and Time Operations (Revised in Java 8):

Local Date and Time Operations in Java

Custom Date and Time Operations in Java

Future and Past Date Operations in Java

Future and Past Time Operations in Java

Date Difference Calculation in Java

Time Difference Calculation in Java

DateTime Formatter in Java

Special Classes in Java:

StringBuilder Class in Java

StringBuilder Methods in Java

Scanner Class in Java

Random Class (for creating random numbers) in Java

UUID Class in Java (for creating universally unique string IDs)

Working with File System in Java:

How to Read a Text File in Java?

How to Edit a Text File in Java?

Hands-on Exercises with Text Files in Java

Copy and Move (Rename) a Text File in Java

Reading Excel Data in Java

Read Excel Data into a 2D Array in Java

Write Data in an Excel Sheet in Java

I will be updating more topics to this outline as per changing trends in technology

To get the maximum benefit from the course, please take a look at the following steps explaining 'How to take this course?'

Wishing you all a very happy learning.

Note: For the best video streaming quality, please adjust the resolution from 'settings' at the bottom right-hand corner of the video player. Choose 1080p or 720p as per your network speed.

Check out the detailed breakdown of what’s inside the course

Dezlearn Education is a learning-focused instructor dedicated to creating clear, practical courses that help learners build real-world skills and grow with confidence. Their content is designed to be easy to follow, engaging, and useful for both beginners and professionals.

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