Valuefy Solutions Software Developer Interview Questions and Answers

General apti questions and coding

Q1. Sql , rdbms, projects
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Q1. Hr Questions and projects discussion
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Basic dsa plus aptitude total of 50 ques

Q1. Array and array matrix coding question and some logical question
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Q1. Noarmal hr question and then some logical tricky question , situation based question
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Q1. Fundamentals based upon the role
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Q1. Basic advance question into the technical skills like if you’re applying for backend role and your preferred language is java then how does the stack and queue works
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Q1. What is treeset and weakhashmap?
Ans. 
TreeSet is a sorted set implementation in Java. WeakHashMap is a hash table-based Map implementation with weak keys.
• TreeSet is implemented using a tree structure and maintains elements in sorted order.

• WeakHashMap is a Map implementation that allows keys to be garbage collected when they are no longer referenced.

• WeakHashMap is useful for caching or memoization where the keys are not always needed and can be garbage coll
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Q2. What is comparable and comparator?
Ans. 
Comparable and Comparator are interfaces used for sorting objects in Java.
• Comparable interface is used to define the natural ordering of objects based on their own class.

• Comparator interface is used to define the ordering of objects based on a separate class.

• Comparable interface has compareTo() method while Comparator interface has compare() method.

• Comparable interface is implemented by the class whose objects need to ...read more
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Aptitude auestions were there

In this round 14 mcq and 2 sql queries were given

78 mcq questions and 2 dsa

Coding based round on dsa

Was tough but can be cracked in one go

Easy to moderate need to study dsa

Q1. Self introduction
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Q2. Tell me about your projects
Ans. 
I have worked on various projects including a web application for a healthcare company and a mobile app for a retail business.
• Developed a web application for a healthcare company to manage patient records and appointments

• Created a mobile app for a retail business to enhance customer shopping experience

• Implemented features such as user authentication, data visualization, and real-time updates

• Utilized technologies like R
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