Introduction Of Java

 What is Java

• A general purpose programming language.
• It is like C++ but with advanced and simplified features
• Concurrently executes many statements
• Object-oriented programming language
• Platform independent

Why Learn Java

• Easy to learn.
• most commonly used language in the world.
• Large Community ( more than 10M java Developers in the world)
• Java is used at many places servers, IOT, Android, Big Data, continuous Testing, Banking, Communications and many more 
• Java Tools like IDEs and built in API features make life easier.

Basics structure of java

1. Overview and features of java
2. Setting up java environment
3. Data type and identifires 
4. Variables and Type casting
5. Taking user inputs
6. Operators
7. Conditional Statements
8. Loops 
9. Arrays
10. Strings
11. Mutable Strings

OOPs concepts

1. Classes and Objects
2. Methods 
3. Constructors
4. Method Overloading
5. Packages and access modifires
6. Nested classes
7. Inheritance 
8. Polymorphism
9. Abstract classes
10. interfaces 
11. Encapsulation
12. Generics 
13. Anonymous Classes
14. Exception handling

Collections Framework

1. Introduction to collection interfaces
2. List 
3. Set
4. Map
5. Natural Ordering and sorting
6. Comparators

How java works

First java Program

class Simple1 {
   public static void main( String [] args ){
      System.out.println("hello world" );
      }
   }

Output

Hellow world