Readme.md

LLD TEJ-PDF NOTES IN JAVA

In this repository, you will get each and every class's notes except basics of java in the form of PDF with good explanation.

Basics of Java

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

Object Oriented Programming in Java

1. Introduction to OOPS

   • 📝Why Object Oriented Programming
   • 📝Multiple Students Example - Messy Code
   • 📝What is OOP?
   • 📝Objects and Classes
   • 📝Attributes and Behaviour and Identity

2. How to create a class and object in Java

   • 📝Must define some blue print - class
   • 📝Object an instance of class
   • 📝What is constructor?
   • 📝Default constructor
   • 📝Parameterized constructor
   • 📝Copy constructor
   • 📝Object life cycle

3. Encapsulation in Java

   • 📝What is encapsulation?
   • 📝Access modifiers (Brief) in Java
   • 📝Not perfect encapsulation
   • 📝Perfect encapsulation

4. Inheritance in Java

   • 📝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

5. Abstraction in java

   • 📝What is abstraction?
   • 📝Needs of abstraction?

6. Interface in java

   • What is interface

System Design in Java

1. Design Principal
2. basic of design principal
3. SOLID Principal

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2. Design pattern

   what is design pattern

   Design pattern are reusable components to use solve any problem

   types of design pattern

   there is 3 type of design patterns