Java

Basic Fundamental 

1. Java source file structure
2. Import Statement
3. Static Import 
4. Packages  
   
5. Data Type
6. Variables
7. Final Variable 

 

Declaration and Access Modifier

1. Inner classes applicable modifiers 
2. Static Modifier 
3. Synchronized 
4. Native
5. Transient
6. Volatile

 Interface 

1. Introduction
2. Interface Declaration and Implementation
3. Interface method and interface Variables
4. Naming Conflicts Interface
5. Marker interface and Adapter classes
6. Interface vs Abstract Class

 

Object-Oriented Programming (OOPs)

1. Data Hiding
2. Abstraction
3. Encapsulation
4. Inheritance (IS-A relationship)
5. Has-A relationship
6. Method Signature
7. Overloading
8. Overriding
9. Coupling & Cohesion
10. Object Type Casting
11. Static control flow
12. Instance control flow
13. Constructor
14. Singleton Class

Exception Handling

1. Introduction
2. Default Exception
3. Checked and Unchecked
4. Customized Exception Handling by try-catch
5. Finally Block
6. Throw & Throws