OOPs Concepts in Java

Core Concepts

• Class
• Object
• Encapsulation
• Inheritance
• Polymorphism
• Abstraction

Polymorphism Types

• Method Overloading
• Method Overriding

Abstraction Types

• Abstract Class
• Interface

Supporting Concepts

• Constructor
• this keyword
• super keyword
• Access Modifiers
• Static keyword
• Final keyword

Exception Handling

• try-catch
• finally
• throw
• throws
• Custom Exception

Wrapper Classes

• Integer
• Double
• Boolean
• Character
• Autoboxing
• Unboxing

Generics

• Generic Class
• Generic Method
• Bounded Generics

Java Collections (OOP Usage)

• List
• Set
• Map