Sigmoid R1 || GS Client || 10th May

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sigmoid
May 10, 20253 reads

Summary

I had an interview round with Sigmoid on May 10th which included questions on data structures & algorithms and Java/Spring core concepts.

Full Experience

Q1. Given an array arr[] of size N, find the smallest and second smallest element in an array.

Q2. Min Path Sum from Top Left to Bottom Right

Q3. Diff between String, StringBuilder and StringBuffer Q4. Why we need String in java if we have StringBuilder and StringBuffer Q5. Diff between SingletonClass in Java and Spring Q6. What to do when we need new bean each time not singleton object in spring ?

Interview Questions (6)

Q1
Find Smallest and Second Smallest Element in Array
Data Structures & AlgorithmsEasy

Given an array arr[] of size N, find the smallest and second smallest element in an array.

Q2
Minimum Path Sum
Data Structures & AlgorithmsMedium

Min Path Sum from Top Left to Bottom Right

Q3
Difference between String, StringBuilder, and StringBuffer
Other

Diff between String, StringBuilder and StringBuffer

Q4
Need for String in Java vs StringBuilder/StringBuffer
Other

Why we need String in java if we have StringBuilder and StringBuffer

Q5
Difference between Singleton in Java and Spring
Other

Diff between SingletonClass in Java and Spring

Q6
Creating Non-Singleton Beans in Spring
Other

What to do when we need new bean each time not singleton object in spring ?

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