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NoBroker Java Developer Interview Questions and Answers

Updated 18 Oct 2024

NoBroker Java Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

Interview questions from similar companies

I appeared for an interview before Feb 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

It comprised of general aptitude questions and two coding questions. It was an offline test.

  • Q1. 

    N Queens Problem

    Given an integer N, find all possible placements of N queens on an N x N chessboard such that no two queens threaten each other.

    Explanation:

    A queen can attack another queen if they ar...

  • Ans. 

    The N Queens Problem involves finding all possible placements of N queens on an N x N chessboard where no two queens threaten each other.

    • Use backtracking algorithm to explore all possible configurations.

    • Keep track of rows, columns, and diagonals to ensure queens do not attack each other.

    • Generate and print valid configurations where queens are placed safely.

    • Consider constraints and time limit for efficient solution.

    • Exam...

  • Answered by AI
  • Q2. 

    Sort 0 1 2 Problem Statement

    Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

    Input:

    The first line contains an integer 'T' representing the n...
  • Ans. 

    Sort an integer array containing only 0s, 1s, and 2s in linear time complexity.

    • Use three pointers to keep track of the positions of 0s, 1s, and 2s in the array.

    • Iterate through the array and swap elements based on the values encountered.

    • Achieve sorting in a single scan over the array without using any extra space.

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

After having a technical discussion about my CV. He gave me two questions to code.

  • Q1. 

    Ninja and Substrings Problem Statement

    Ninja has to determine all the distinct substrings of size two that can be formed from a given string 'STR' comprising only lowercase alphabetic characters. These su...

  • Ans. 

    Find all unique contiguous substrings of size two from a given string.

    • Iterate through the string and extract substrings of size two

    • Use a set to store unique substrings

    • Return the set as an array of strings

  • Answered by AI
  • Q2. 

    Cycle Detection in a Singly Linked List

    Determine if a given singly linked list of integers forms a cycle or not.

    A cycle in a linked list occurs when a node's next points back to a previous node in the ...

  • Ans. 

    Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.

    • Traverse the linked list using two pointers, one moving one step at a time and the other moving two steps at a time.

    • If the two pointers meet at any point, there is a cycle in the linked list.

    • If one of the pointers reaches the end of the list (null), there is no cycle.

  • Answered by AI
Round 3 - HR 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

This was supposed to be the HR round but out of surprise the interviewer started by giving me a question to code. 
After I approached this question with the right solution he just asked about my family. After that he said to wait. After half an hour the results were announced. A total of three students were hired and I was amongst one of them.

  • Q1. 

    Balanced Parentheses Combinations

    Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.

    Explanati...

  • Ans. 

    Generate all possible combinations of balanced parentheses for a given number of pairs.

    • Use recursion to generate all possible combinations of balanced parentheses.

    • Keep track of the number of open and close parentheses used in each combination.

    • Return the valid combinations as an array of strings.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAMagicbricks interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview before Apr 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 45 minutes
Round difficulty - Easy

This was a test where 2 coding questions were to be solved in 45 minutes.

  • Q1. 

    Excel Column Number Conversion

    Given a column title as it appears in an Excel sheet, your task is to return its corresponding column number.

    Example:

    Input:
    S = "AB"
    Output:
    28
    Explanation:

    The seq...

  • Ans. 

    Convert Excel column title to corresponding column number.

    • Iterate through the characters in the input string from right to left

    • Calculate the value of each character based on its position and multiply by 26^index

    • Sum up the values to get the final column number

  • Answered by AI
  • Q2. 

    Check Permutation Problem

    Determine if two given strings, str1 and str2, are permutations of each other.

    Explanation:

    Two strings are permutations of each other if the characters of one string can be re...

  • Ans. 

    Check if two strings are permutations of each other.

    • Create character frequency maps for both strings.

    • Compare the frequency maps to check if they are permutations.

    • Handle edge cases like empty strings or strings of different lengths.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPropTiger interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected

I applied via Campus Placement

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Jun 2024. There were 3 interview rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - its easy to crack,if u are good at basics..
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NoBroker Interview FAQs

How many rounds are there in NoBroker Java Developer interview?
NoBroker interview process usually has 1 rounds. The most common rounds in the NoBroker interview process are One-on-one Round.
How to prepare for NoBroker Java Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at NoBroker. The most common topics and skills that interviewers at NoBroker expect are Analytical, Hibernate, MongoDB, MySQL and NoSQL.

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NoBroker Java Developer Interview Process

based on 3 interviews

Interview experience

5
  
Excellent
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