Optym Algorithm Engineer Interview Questions and Answers

Aptitude+3 easy to medium level coding questions

Q1. Linked List & DSA questions on strings
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Q1. Resume + DSA questions
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Q1. Non technical+ System design basics + DSA
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Q1. What is a pointer to pointer
Ans. 
A pointer to pointer is a variable that stores the memory address of another pointer variable.
• It is used to create dynamic data structures like linked lists and trees.

• It allows multiple levels of indirection.

• It is denoted by ** in C and C++.

• Example: int **ptr;

• Example: ptr = &p; where p is a pointer variable.
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Q2. Class, object, inheritance, polymorphism,dbms
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Q1. What are the main principles of the Java
Ans. 
Main principles of Java include object-oriented programming, platform independence, and automatic memory management.
• Object-oriented programming: Java is based on classes and objects, allowing for encapsulation, inheritance, and polymorphism.

• Platform independence: Java code can run on any platform that has a Java Virtual Machine (JVM) installed.

• Automatic memory management: Java uses garbage collection to automatically m
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Q2. What is the different between == and equals method
Ans. 
The == operator compares the memory addresses of two objects, while the equals method compares the content of two objects.
• The == operator is used to compare the memory addresses of two objects in Java.

• The equals method is used to compare the content of two objects in Java.

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will return false, but str1.equals(str2) will return true
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Q1. What is jdk, string related questions, basic java oops questions?
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There was an automated machine coding round where i had to solve multiple problems as well as answer multiple questions related to Javascript and the development process as a whole.

Q1. Explain promises in JS and async/await.
Ans. 
Promises in JS are objects representing the eventual completion or failure of an asynchronous operation. Async/await is a syntactic sugar for working with promises.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Async/await is a modern way to work with asynchronous code in JavaScript, making it easier to read and write.

• Async functions...read more
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They mostly ask some basic dsa questions in the automated interview

Q1. The interviewer was very friendly and ask me some basic of react js and some basic of how internet works
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Q1. Was very easy they ask me really basic ye questions
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Q1. Just basic questions about you and why you want to join This organisation
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Q1. Nothing big, simple array related questions,
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Q1. Just showcase your college/personal projects and random array questions
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