Incrementors Web Solutions Intern Interview Questions and Answers

Q1. Questions on IOT and related
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Questions mainly from Linked list.

Q1. Basically coding round, with basic questions from arrays. One needs to have good communication skills to explain to interviewers.
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Q1. What is JPA
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Q2. Write a program to find duplicate elements in the list
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Basic java questions

Q1. Explain Linked list implementation and stack
Ans. 
Linked list is a data structure where each element points to the next element. Stack is a data structure that follows Last In First Out (LIFO) principle.
• Linked list implementation involves creating nodes with data and a pointer to the next node.

• Stack implementation involves pushing elements onto the stack and popping them off in reverse order.

• Example: Linked list - 1 -> 2 -> 3 -> NULL, Stack - push(1), push(2), push(3)...read more
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Q2. Oops concepts in java
Ans. 
Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Round duration - 30 minutes
Round difficulty - Easy

Q1. 
Bubble Sort Problem Statement
Sort the given unsorted array consisting of N non-negative integers in non-decreasing order using the Bubble Sort algorithm.
Input:
The first line contains an integer 'T' r...read more
Ans. 
Bubble Sort algorithm to sort an array of non-negative integers in non-decreasing order.
• Implement Bubble Sort algorithm to sort the array in place

• Loop through the array and compare adjacent elements, swapping if necessary

• Repeat the process until the array is sorted

• Time complexity of O(n^2) in worst case scenario
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Round duration - 30 minutes
Round difficulty - Easy

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