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IBM Software Developer Interview Questions and Answers for Freshers

Updated 5 Feb 2024

Q1. Star Pattern Problem Statement

Display the star pattern for a given positive integer N.

Example:

Input:
N = 4
Output:
 *
***
*****
*******
Explanation:

The dots in the image represent spaces. Align the stars in...read more

Ans.

Display a star pattern in a pyramid shape for a given positive integer N with spaces in between.

  • Start by printing spaces in decreasing order and stars in increasing order for each row

  • Use nested loops to handle spaces and stars accordingly

  • Consider the total number of characters in each row to maintain the pyramid shape

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Q2. How do you match the orientations according to the suggested rotation degrees?
Ans.

Matching orientations based on suggested rotation degrees.

  • Calculate the difference between the current orientation and the suggested rotation degrees.

  • Apply the necessary rotation to match the orientations.

  • Consider the direction of rotation (clockwise or counterclockwise).

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Q3. Design a system for railway ticket booking

Ans.

Design a system for railway ticket booking

  • Create a user-friendly interface for booking tickets

  • Integrate payment gateway for secure transactions

  • Implement seat availability and reservation system

  • Include features for cancellation and refund

  • Develop a database to store user and ticket information

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Q4. Any questions?

Ans.

Yes, I have a few questions regarding the company culture and team dynamics.

  • Can you tell me more about the team structure and how collaboration is encouraged?

  • What is the company's approach to professional development and growth?

  • How does the company prioritize work-life balance for its employees?

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Discover IBM interview dos and don'ts from real experiences

Q5. Two Sum: given 2 numbers, check if there exists 2 numbers such that they sum to target

Ans.

Given an array of numbers, check if there exists two numbers that sum to a target number.

  • Use a hash set to store the complement of each number as you iterate through the array.

  • For each number, check if its complement exists in the hash set.

  • If the complement exists, return true. Otherwise, add the number to the hash set.

  • If no two numbers sum to the target, return false.

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Q6. What is CRM? WHAT WORK FLOW?

Ans.

CRM stands for Customer Relationship Management. It is a software that helps businesses manage their interactions with customers.

  • CRM helps businesses organize customer data and interactions

  • It can track sales, marketing campaigns, and customer support

  • Examples of CRM software include Salesforce, HubSpot, and Zoho CRM

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Interview Process at IBM Software Developer for Freshers

based on 5 interviews
2 Interview rounds
Coding Test Round - 1
Coding Test Round - 2
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