OptiSol Business Solutions Plsql Developer Interview Questions and Answers

Simple map question basically it was frequency based sorting

Q1. Explain about oops
Ans. 
Object-oriented programming paradigm where data and behavior are encapsulated within objects
• Encapsulation: bundling data and methods that operate on the data within a single unit

• Inheritance: ability for a class to inherit properties and behavior from another class

• Polymorphism: ability for objects of different classes to respond to the same method call
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Q2. Tell me about the threads in Operating system
Ans. 
Threads in operating system are lightweight processes that share the same memory space and resources.
• Threads allow for concurrent execution within a single process

• Threads share the same memory space, allowing for efficient communication and data sharing

• Threads can be created and managed by the operating system or by the application itself

• Examples of threading models include user-level threads and kernel-level threads
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