Zoondia Junior Software Engineer Interview Questions and Answers

Hackerrank test is the first round

Q1. Technical interview comprises of your tech skill domain
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Q2. Past exp and projects
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Q1. Basic hr questions were asked
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Basic maths with some basic computer fundamentals were asked .

Q1. 2 basic coding questions were asked and some basic aptitude questions were asked.
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Q2. Check whether the input string is palindrome or not ? No lang constrain
Ans. 
Check if input string is a palindrome or not.
• A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.

• To check if a string is a palindrome, compare the first and last characters, then the second and second-to-last characters, and so on.

• If all pairs match, the string is a palindrome. If any pair does not match, the string is not a palindrome.
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Q3. If there are 10 ball 2 red, 5 blue ,3 orange and one ball is picked randomly what is probability that the ball picked is red?
Ans. 
What is the probability of picking a red ball out of 10 balls with 2 red, 5 blue, and 3 orange?
• There are 2 red balls out of 10 total balls

• The probability of picking a red ball is 2/10 or 1/5

• The probability can also be expressed as 20%
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Some simple aptitude questions

Simple C language questions based on strings and arrays

Q1. Technical interview questions based on your domain
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Q2. Write a c program to swap alternative letters in a given string.
Ans. 
A C program to swap alternative letters in a given string.
• Declare a character array to store the input string.

• Use a loop to iterate through the string and swap alternative letters.

• Print the modified string.
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Average Questions, if have prepared yourself enough that it's easy to answer and crack it

Average Questions, if have prepared yourself enough that it's easy to answer and crack it

This round was all about Technical skills , if you know the basics of programming ,you can crack it

The difficulty was easy to moderate. There were different sections like Qantativ Aptitude, Logical Reasoning, Essay writing

There were 7 debugging questions. The difficulty was easy to moderate. But total given time was only 20 minutes, so keep an eye on the watch while solving.

Q1. Basic Technical questions Like: 1. small coding questions in Python 2. Oops concept in both Python & Java and their differences. 3. array logic (C language)
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Q2. HR questions Like: 1. Why do I want to join CTS? 2. My future plans? 3. Why am I switching to IT from ECE background?
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Q3. And also asked several questions about my project. i.e: What was the project about, how we approached the solution, what Challenges were faced in the project, and How can we upgrade this project to a more ...read more
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Q1. Tell about stream API in java-8
Ans. 
Stream API in Java-8 is a powerful tool for processing collections of data.
• Stream API provides a functional approach to processing data.

• It allows for parallel processing of data.

• Stream API includes methods like filter, map, reduce, and collect.

• Example: List numbers = Arrays.asList(1, 2, 3, 4, 5); numbers.stream().filter(n -> n % 2 == 0).forEach(System.out::println);

• Example: List names = Arrays.asList("John", "Mary", "B...read more
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Q2. What version controls you are aware
Ans. 
I am aware of Git, SVN, Mercurial, and CVS.
• Git is the most popular and widely used version control system.

• SVN is a centralized version control system.

• Mercurial is similar to Git but with a simpler design.

• CVS is an older version control system that is not commonly used anymore.
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Q1. First introduced yourself
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Q2. What Ur favourite subject in college
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Great

There were 2 rounds of interview 1st round there were few very Basic Aptitude Questions, and in second round basic OOPs questions that's all.

Q1. Explain Polymorphism and write a program to show it.
Ans. 
Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as if they were of the same class.
• Polymorphism is achieved through method overriding and method overloading.

• Method overriding is when a subclass provides a specific implementation of a method that is already provided by its parent class.

• Method overloading is when a class has two or more methods with the ...read more
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Q2. Write a query for fetching the second highest salary from the table.
Ans. 
Query for fetching the second highest salary from a table.
• Use ORDER BY and LIMIT to fetch the second highest salary.

• Exclude the highest salary using subquery or WHERE clause.
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