GSPANN Technologies Interview Questions, Process, and Tips

Basic java sql question ask in that round

Q1. Java string array mutable or not
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Q2. How to extend thread class in java
Ans. 
To extend Thread class in Java, we need to create a new class and inherit it from the Thread class.
• Create a new class and inherit it from the Thread class

• Override the run() method to define the task that the thread will perform

• Instantiate the new class and call the start() method to start the thread
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Q3. Garbage collection of jav
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Garbage collection in Java is an automatic process of freeing up memory occupied by objects that are no longer in use.
• Garbage collection is performed by JVM

• It frees up memory by removing objects that are no longer in use

• It helps prevent memory leaks and improves performance

• Java provides different types of garbage collectors such as Serial, Parallel, CMS, and G1

• Developers can also manually request garbage collection usi
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Q1. About AWS design
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Q2. About DevOps tools
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Q1. About terraform
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Q2. About CICD pipeline
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Group discussion on general topics

Q1. Cgpa in mba asked
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Q2. How soon you can join
Ans. 
I can join within 2 weeks of receiving a formal offer.
• I currently have a two-week notice period at my current job.

• I have already started the resignation process and can wrap up my current responsibilities within this timeframe.

• I am excited about the opportunity and eager to start as soon as possible.
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Q1. Q's on 1) Data Modelling Fundamentals 2) Scenario based Modelling solutions 3) Complex SQL Queries
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They ask you to share your screen and ask you to write the code. It is easy if you have prepared well

Q1. Aggregation & grouping in spark
Ans. 
Aggregation & grouping in Spark
• Aggregation is the process of combining data from multiple sources into a single result

• Grouping is the process of dividing data into groups based on a specific criteria

• Spark provides various functions for aggregation and grouping such as groupBy, reduceByKey, aggregateByKey, etc.

• These functions can be used to perform operations like sum, count, average, etc. on grouped data
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Q2. Easy if you know basics of SQL coding
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Q1. What are your salary expectations?
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Q2. They will shortlist the salary based on the skillset
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