JAVA

This repo contains some basic java knowledge, with code and explanation. this was created at the time of my Java practice and learning.

This All My Notes on Java

Arrange in my way of understanding if find help full then use it.

File content --

• Tutorial ->their are Notes on basic concept on java with Code material.

• PROBLEMs ->In normally there Some problem solution of some question using Java.

**Tutorial Path - **

Assuming you have knowledge Basic coding knowledge

0. Basic

• scanner class uses for input
• System.out.print() statement uses for output
• variable declaration {int, float, double, char, String, boolean}

1. Array

• array declaration.
• array operation/methods
• Type of Array traversal

2. Methods

• other language like this also have function that called as methods

returnType Name (params){//code}
void Name(){}

• Type of methods
• VarArgs
• Methods Overloading

3. Class

• Declaration

3. Constructor

• Declaration
• Constructor overloading

3. Access Modifies

• Go through "Theory_in_java.txt"

4. Inheritance

• what is
• Type of inheritance
• Method Overriding

6. Abstract Methods

-Deceleration -why use

7. Abstract Class

• Uses

5. Interface

• What is
• Deceleration
• Use

7. Dynamic dispatch(Runtime Polymorphism)

• Method Overriding

8. Threads

• create
• run
• methods

9. Error & Exception handling

• For theory Go through "Theory_in_java.txt"[Error & Exception handling]
• Try catch block
• Finally block
• Custom Exception create

10. File Handling

• file create
• file read
• file write
• file delete

11. Packages

-- Go through "Theory_in_java.txt"[Packages]

• What is
• How to create
• How to use

12. ArrayList Class

• ArrayList declaration.
• ArrayList operation/methods
• Type of ArrayList traversal

13. LinkedList Class

• LinkedList declaration.
• LinkedList operation/methods
• Type of LinkedList traversal

13. Collection Framework

• Go through "Theory_in_java.txt"[Collection Framework]

14. HashSet Class

• HashMap declaration.{hashset.java}
• HashMap operation/methods
• Type of HashMap traversal

15. Date & Time

• Go through "Theory_in_java.txt"[Date & Time]

16. Calender

• Type of Calender -declaration -operation/methods

17. Annotation

• Go through "Theory_in_java.txt"[Annotation]

18. Generics

19. Anonymous

-Lambda Expressions :

16. Java Docs

• Go through "Theory_in_java.txt"[Java Docs]