Basics of Java

This section covers fundamental concepts and features of Java programming language.

#	Topic	Read Articles
1.	Introduction of Java	Link
2.	Java Vs C++	Link
3.	Java program execution process	Link
4.	JDK Vs JRE Vs JVM	Link
5.	Write your first Java program	Link
6.	Variables in Java	Link
7.	Data types in Java	Link
8.	Type conversion in Java	Link
9.	Operators in Java	Link
10.	Taking input in Java	Link
11.	Java garbage collection	Link
12.	Conditional statements	Link
13.	Loop statements	Link
14.	Arrays in Java	Link 1 Link 2
15.	Methods in Java	Link
16.	Strings in Java	Link
17.	Exception handling in Java	Link
18.	Wrapper classes in Java	Link
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Object Oriented Programming in Java

This section covers Object Oriented Programming concepts in Java.

#	Topic	Subtopics	Read Articles
1.	Introduction to OOPS	Show Subtopics - 📝 Why Object Oriented Programming - 📝 Multiple Students Example - Messy Code - 📝 What is OOP? - 📝 Objects and Classes - 📝 Attributes and Behaviour and Identity	Link
2.	How to create a class and object in Java	Show Subtopics - 📝 Must define some blue print - class - 📝 Object an instance of class - 📝 What is constructor? - 📝 Default constructor - 📝 Parameterized constructor - 📝 Copy constructor - 📝 Object life cycle	Link
3.	Encapsulation in Java	Show Subtopics - 📝 What is encapsulation? - 📝 Access modifiers (Brief) in Java - 📝 Not perfect encapsulation - 📝 Perfect encapsulation	Link
4.	Inheritance in Java	Show Subtopics - 📝 What is inheritance? - 📝 When do we use inheritance? - 📝 General IS-A example - 📝 Advantages of inheritance - 📝 Implementation of inheritance - 📝 Access modifiers (In Detailed) in Java - 📝 Type of inheritance - 📝 super keyword in Java - 📝 super VS this keyword in Java - 📝 Structure design program using inheritance	Link
5.	Polymorphism in Java	Show Subtopics - 📝 What is polymorphism? - 📝 Types of polymorphism - 📝 Static polymorphism - 📝 Dynamic polymorphism - 📝 Downcasting in Java - 📝 Important notes - 📝 Method overloading Vs method overriding	Link
6.	Abstraction in Java	Show Subtopics - 📝 What is abstraction? - 📝 Abstraction in java collections - 📝 Ways to achieve abstraction - 📝 Abstraction using classes - 📝 Abstraction using abstract class - 📝 Abstraction using interface (new way to design strategy) - 📝 Upcasting in abstraction - 📝 Real world examples of abstraction - 📝 Abstract class Vs interface - 📝 Advantages of abstraction - 📝 Achieve multiple inheritance using interface	Link