Mobiquity Software Developer Interview Questions and Answers

Q1. What is HashMap?
Ans. 
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
• HashMap allows quick access to values based on their keys

• Keys must be unique and values can be duplicated

• HashMap is not thread-safe and requires synchronization for concurrent access

• Java's HashMap implementation uses hashing to distribute keys across buckets
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Q2. It’s a collection framework.
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Q1. Closures, hostings, react js, redux, hooks basic
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Q2. Html5, css3, basic javascript stuff
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Q1. React js, ReactHooks, es67 features, bootstrap
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60mintues DSA level coding exam

Q1. General resume discussions
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Q2. HR questiosn aslso
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2 DSA question was asked

40 questions in 20 minutes

Q1. Stones games 2 leetcode
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Q2. Permutations of array
Ans. 
Generate all possible permutations of an array of strings
• Use recursion to generate permutations

• Swap elements to create different permutations

• Base case: when array size is 1, return array as permutation
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Q1. Project discussion
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Used an online IDE and asked general DS Algo questions

Q1. System Design HLD question to make URL shortener
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Q1. General HR Aptitude questions
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Online assessment with quantitative and qualitative questions

Some Tree traversal coding question

Q1. Load balancer design question
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Q2. Technical challenges faced
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