Persistent Systems Software Developer Interview Questions, Process, and Tips

Simple apt and coding

Q1. Design a website
Ans. 
A modern and user-friendly e-commerce website for selling clothing and accessories.
• Create a visually appealing homepage with featured products

• Include easy navigation and search functionality

• Implement secure payment gateways for online transactions

• Allow users to create accounts and track their orders

• Optimize for mobile responsiveness and fast loading times
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General and programming questions and 2 coding questions at the end

Q1. What is oop, Will sorting the list for finding two lowest elements in list be an optimal solution, what are ACID properties
Ans. 
OOP stands for Object-Oriented Programming. Sorting the list for finding two lowest elements may not be optimal. ACID properties are atomicity, consistency, isolation, and durability.
• OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

• Sorting the list to find two lowest elements may not be optimal as it has a time complexity of O...read more
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Q1. Basic scenario questions like would you let the client know about a bug and stuff and other questions like what do your colleagues think about you
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Q1. Totally about RPA and orchestrator
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Q1. Totally about RPA and orchestrator
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Q1. What is polymorphism
Ans. 
Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
• Polymorphism is a fundamental concept in object-oriented programming.

• It enables code reusability and flexibility.

• Polymorphism can be achieved through method overriding and method overloading.

• Example: A parent class Animal can have multiple child classes like Dog, Cat, and Bird. They can ...read more
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Q2. What is inheritance and its type?
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows for code reuse and promotes modularity.

• There are different types of inheritance: single, multiple, multilevel, and hierarchical.

• Example: A 'Car' class can inherit properties and behaviors from a 'Vehicle' class.
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Q3. Multithreading working in java
Ans. 
Multithreading is a concept in Java that allows concurrent execution of multiple threads.
• Multithreading improves performance by utilizing multiple threads to execute tasks concurrently.

• Java provides built-in support for multithreading through the Thread class and Runnable interface.

• Threads can be created by extending the Thread class or implementing the Runnable interface.

• Synchronization mechanisms like locks and semap...read more
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Q4. String vs stringbuffer vs stringbuilder
Ans. 
String, StringBuffer, and StringBuilder are classes in Java used for manipulating strings.
• String is immutable, meaning its value cannot be changed once created.

• StringBuffer is mutable and thread-safe, making it suitable for multi-threaded environments.

• StringBuilder is also mutable but not thread-safe, providing better performance in single-threaded scenarios.
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Q1. Introduction of me
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Q2. Family background
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Q3. Educational background
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Apti resoning coding test

Q1. What is Oopps? Concept of polmorphism.
Ans. 
OOPs stands for Object-Oriented Programming. Polymorphism is the ability of an object to take on many forms.
• OOPs is a programming paradigm that focuses on objects and their interactions.

• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• There are two types of polymorphism: compile-time and runtime.

• Compile-time polymorphism is achieved through method overloading.

• Runtime polym...read more
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Q1. Basic python questions
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Q2. Questions on sorting algorithms
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