OneAssist Consumer Solutions Software Developer Interview Questions and Answers

Basic aptitude questions and 2 hard DP questions in the Online Test .

Q1. Basic SQL queries
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Q2. OOP questions Java
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Q3. Puzzles from Geeksforgeeks
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Q4. DSA questions - medium level
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Q1. What is hoisting?
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Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
• Variable and function declarations are hoisted to the top of their scope.

• Only declarations are hoisted, not initializations.

• Function declarations take precedence over variable declarations.
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C programming was there in interview

Q1. Electronic engineering was there
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Q2. What is pointer in c
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A pointer is a variable that stores the memory address of another variable in C programming language.
• Pointers are used to manipulate memory and create dynamic data structures.

• They can be used to pass values between functions efficiently.

• Pointers can be used to access array elements and structures.

• Pointer arithmetic can be used to iterate over arrays and manipulate memory.

• Null pointers are used to indicate that a pointe
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3 programs to write in arrays linked lists and trees

Q1. Was asked questions on core Java, spring framework, apis and micro services
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Q1. What expertise will you bring to cme group of you join?
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Q2. Why are you quitting your current company?
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Q1. Hoisting, clousres, prototypes based output questions
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Q2. Polyfill of reduce, map
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Polyfill of reduce, map are functions that mimic the behavior of the original functions in older browsers.
• Polyfill of reduce function can be implemented using a for loop to iterate over the array and accumulate the result.

• Polyfill of map function can be implemented using a for loop to iterate over the array and create a new array with the transformed values.

• These polyfills are useful for ensuring cross-browser compatib...read more
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Q1. Project discussion, react lifecycle, javascript basec concepts
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Q1. Behaviour of js
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JavaScript is a dynamic programming language commonly used for web development.
• JavaScript is a high-level, interpreted language.

• It is known for its flexibility and ability to manipulate the DOM.

• Commonly used for client-side scripting in web development.

• Supports object-oriented, imperative, and functional programming styles.
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Q2. Call by value, call by reference
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Reverse fibonacci using recursion