Java is a general-purpose programming language that is a concurrent, class-based, and object-oriented language. Java follows the concept of “write once and run anywhere (WORA)” which means that compiled Java code can be run on all different platforms that support Java without the need for recompilation.

Eclipse IDE

Chapter 1 How to Download and Install Eclipse IDE
Chapter 2 How to Clone a project from GitLab using Eclipse
Chapter 3 How to Export Eclipse projects to GitLab

IntelliJ IDE

Chapter 1 How to install IntelliJ on Windows
Chapter 2 How to create a Java project in IntelliJ
Chapter 3 How to Clone a project from GitLab using IntelliJ
Chapter 4 How to Export IntelliJ project to GitLab

Basics of Java

Chapter 1 How to Download & Install Java JDK 11 in Windows
Chapter 2 Data Types and Operators in Java
Chapter 3 Decision Making in Java – If, If Else, Switch, Break, Continue
Chapter 4 Loop Control Statements in Java – For, While, Do While, Enhanched For Loop
Chapter 5 String Manipulation
Chapter 6 Difference between == and equals() method in Java
Chapter 7 Arrays in Java
Chapter 8 Access Modifiers in Java
Chapter 9 ArrayList in Java
Chapter 10 Methods in Java
Chapter 11 Method Overloading in Java
Chapter 12 Constructors in Java
Chapter 13 This Keyword in Java
Chapter 14 Static Keyword – Static Variable and Static Method in Java
Chapter 15 Difference between Static Method and Non-Static Method
Chapter 16 How to use Java Lambda expression to create thread via Runnable function
Chapter 17 runAsync and supplyAsync in ComputableFuture in Java8
Chapter 18 HashMap in Java
Chapter 19 Iterators in Java

OOPs Concepts

Chapter 1 Class and Object in Java
Chapter 2 Inheritance in Java
Chapter 3 Encapsulation in Java
Chapter 4 Polymorphism in Java
Chapter 5 Abstraction in Java
Chapter 6 Interface in Java
Chapter 7 Difference between Abstract Class and Interface

Exceptions in Java

Chapter 1 Exception Handling in Java
Chapter 2 Types of Exception in Java
Chapter 3 Flow control in try catch finally in Java
Chapter 4 Multiple Catch Exceptions
Chapter 5 Throw in Java
Chapter 6 Throws in Java

Data Handling (Excel Manipulation)

Chapter 1 How to download and install Apache POI
Chapter 2 How to read Excel in Java
Chapter 3 How to write data in Excel in Java
Chapter 4 How to update existing excel in Java
Chapter 5 How to add Formulas in Excel in Java

Multiple Choice Questions

Chapter 1 Multiple questions on Exception Handling in Java

Java Library

Chapter 1 AssertJ – Fluent Assertions in Java