Persistent Systems Software Developer fresher Interview Questions and Answers

Q1. How many years of work experience
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Q2. What's your ambition
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There are questions of aptitude and reasoning.

They will ask some situations based questions and past experience.

Q1. What is an array and oops concept
Ans. 
An array is a collection of similar data types. OOPs is a programming paradigm based on the concept of objects.
• Arrays are used to store multiple values in a single variable.

• In OOPs, objects are instances of classes that encapsulate data and behavior.

• Arrays can be one-dimensional, two-dimensional, or multi-dimensional.

• In OOPs, inheritance, polymorphism, and encapsulation are important concepts.

• Example: int[] numbers = {...read more
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Q2. Write a create an array program
Ans. 
Program to create an array of strings
• Declare an array variable with a specific size

• Assign values to each element of the array

• Access elements of the array using their index

• Example: String[] names = new String[5]; names[0] = "John"; names[1] = "Mary";
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Q1. Concept based questions on Java or technology that you have mentioned. I was asked to define a plant in java. Implementing oops concepts.
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Q1. Salary based. Personal overview.
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Aptidude was based on Amcat and it was ok and easy to crack

They asked basic questions on different coding language and technology

Q1. Java questions and basics of testing
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Array methods, react basics, Javascript basics like scope, map, reduce, filter

Q1. Difference between react and other framework, React DOM React router Redux
Ans. 
React is a JavaScript library for building user interfaces, while React DOM is a package for rendering React components in the DOM. React Router is a library for handling routing in React applications, and Redux is a state management library for React.
• React is a JavaScript library for building user interfaces using components.

• React DOM is a package that provides methods for rendering React components in the DOM.

• React R...read more
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Q2. Explain component life cycle
Ans. 
Component life cycle refers to the series of events that occur from creation to destruction of a component in a software application.
• Components are created

• Components are rendered on the screen

• Components are updated when state or props change

• Components are unmounted when no longer needed
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Its was english grammer ,math & IT and genral knowledge based test paper

Q1. Java developer questions they ask
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Q2. Frontend development
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Q3. Backend development
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Q4. Information technology
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Q5. Core java development
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Q6. Html xtml java script
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Q1. Introduction questions
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Q2. Family background questions
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Q3. College related questions
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Q4. Salary negotiable
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