HackerRank Software Developer Interview Questions and Answers

Q1. Oops? .net core features
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Q1. What is oops
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Q2. What is data structures (stack,queue)?
Ans. 
Data structures like stacks and queues organize data for efficient access and manipulation, following specific rules.
• Stack: Last In First Out (LIFO) structure. Example: Undo feature in text editors.

• Queue: First In First Out (FIFO) structure. Example: Print job management in printers.

• Stacks use push and pop operations; queues use enqueue and dequeue.

• Stacks can be implemented using arrays or linked lists; queues can also...read more
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Q3. What are looping in c++?
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Looping in C++ allows repeated execution of a block of code, enhancing efficiency and control in programming.
• Types of loops: for, while, and do-while.

• For loop example: 'for(int i = 0; i < 10; i++) { cout << i; }'

• While loop example: 'int i = 0; while(i < 10) { cout << i; i++; }'

• Do-while loop example: 'int i = 0; do { cout << i; i++; } while(i < 10);'

• Loops can be nested for complex iterations.
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Q4. What are switch case statements?
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Q1. Angular pipes, customization in angular
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Q2. CDN, SSR, SSG questions
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Find duplicates in an array

Java, spring,springboot

2 DSA questions Both are from DP

Q1. 2 Questions , 1 is DSA
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Q2. Second question is Puzzle
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Online apitude containing 10 question without camera

Logical reasoning ,verbal aptitude , two java program and html
duration 1hr

Hand written java coding 5 problem statement oops, String, Arrays and others

Q1. About infiniti software solution
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Q2. Questions in java
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