Slk Software Services Trainee Interview Questions and Answers

Basic questions on oops and sql queries

Q1. SQL Query on many to many table and aggregations
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Q2. OOPS concepts and SpringBoot
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Q1. Self introduction
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Q1. Project experience
Ans. 
I have worked on multiple projects during my time in university, including a group project on developing a mobile application.
• Developed a mobile application for a group project

• Collaborated with team members to design and implement features

• Tested the application for bugs and user experience

• Presented the project to professors and peers for evaluation
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Q2. Behavioural question
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Online aptitude test

10 questions, write in any programming language you know.

Q1. Difference between promise and observable
Ans. 
Promise is a one-time operation that resolves or rejects, while Observable is a stream of multiple values over time.
• Promise is eager, Observable is lazy

• Promise can only handle a single value, Observable can handle multiple values

• Promise is not cancellable, Observable can be unsubscribed

• Promise is not composable, Observable is composable

• Example: Promise resolves with a single value like fetching data from an API, Observ...read more
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Q2. Difference between pure and impure pope
Ans. 
Pure popes are those who have never been married, while impure popes are those who were previously married.
• Pure popes have never been married, following the tradition of celibacy in the Catholic Church.

• Impure popes were previously married before becoming pope, which is rare but has happened in history.

• Examples of impure popes include Pope Adrian II and Pope Clement IV.
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Java 8 programming and features

Q1. Java 8 features
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Q2. Collection question
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