GAIN Credit Software Engineer Interview Questions and Answers for Freshers

Easy coding questions DSA

Q1. Reverse a linked list
Ans. 
Reverse a linked list by changing the pointers direction
• Start with three pointers: current, previous, and next

• Iterate through the linked list, updating the pointers to reverse the direction

• Update the head pointer to point to the new first node
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Q2. Find middle of linked list
Ans. 
To find the middle of a linked list, use the slow and fast pointer technique.
• Initialize two pointers, slow and fast, both pointing to the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps until fast reaches the end of the list.

• The position of the slow pointer will be the middle of the linked list.
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Q1. Pick from a basket of oranges
Ans. 
The question is asking to pick an orange from a basket.
• Carefully select a ripe orange without any bruises or blemishes

• Gently twist the orange off the stem to avoid damaging the fruit

• Check for firmness and weight to determine ripeness
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Questions like if 2 persons are doing one work how fast will it be completed if 3 people are doing the same job

Q1. It was completely on JAVA
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Q1. Where do you see yourself in 5 years
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Q1. Java basics - oops , multi-threading, collections, hashmap implementation
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Q2. Sql questions basic
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Q1. Java questions and some scenario based questions
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Q2. Regarding file reading and writing
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Q3. Microservices and spring boot basics
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For fresher, you need a basic knowledge of collection and string manipulating.

Project related they will ask you how API works, what's the flow of your application how you implement such kind of questions they may ask

Q1. Javascript question
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Q2. Few javascript coding questions
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Q1. Technical questions
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Coding simple problem

Q1. Prepare for normal system design questions and you are good to go
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Technical sql questions

Oops concept and sql db questions

Q1. Dependency injection
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A topic was assigned, and we need to present our perspectives.

A case study was provided about a company's sales and growth.

Q1. Were the questions primarily focused on personal achievements and future aspirations?
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