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What are the types of memory areas allocated by JVM

What is the use of the final keyword

final php keyword programming inheritance

What are Streams in Java

Java Streams Functional Programming Java 8 Lazy Evaluation Data Processing

Explain Exception Handling in Java

Exception Handling Java Runtime Errors Try Catch Finally Robust Application Development

What are the various access specifiers in Java

access specifiers Java public protected default private visibility accessibility

What is the difference between HashMap and Hashtable

HashMap Hashtable Java data structures synchronization thread-safe

What is a HashMap

HashMap Data Structure Key-Value Pairs Hash Function Efficient Retrieval

What is the difference between ArrayList and LinkedList

ArrayList LinkedList Java Collections Performance Data Structures

What are Java Collections

Java Collections Java Framework Data Structures Lists Sets Maps Object Manipulation

What is a super keyword in Java

Java super keyword inheritance superclass method overriding constructor chaining

What is method overloading and method overriding

method overloading method overriding object-oriented programming PHP examples programming concepts

Can you override a private or static method in Java

Java private methods static methods method overriding inheritance

What is the difference between an interface and an abstract class

interface abstract class object-oriented programming multiple inheritance access modifiers state management

What is Encapsulation

encapsulation object-oriented programming OOP data protection access modifiers

What is Abstraction

Abstraction programming software development implementation details code readability code maintainability.

Explain Inheritance in Java

Inheritance Java Inheritance Object-Oriented Programming Java Classes Java Code Reusability Subclass Superclass

What are the main principles of OOP

OOP Object-Oriented Programming Encapsulation Inheritance Polymorphism Abstraction

What is Object-Oriented Programming

Object-Oriented Programming OOP Classes Objects Inheritance Encapsulation Polymorphism PHP

What is the default value of local variables

default value local variables PHP variables initialization undefined variables

What is a Constructor in Java

Java Constructor Object Initialization Java Classes