OpenText Technologies Senior Software Engineer Interview Questions, Process, and Tips

Q1. How are unions used
Ans. 
Unions are used to combine multiple variables of different data types into a single variable.
• Unions allow for efficient use of memory by sharing the same memory location for different variables.

• They are commonly used in low-level programming for hardware access and data serialization.

• An example of a union is a struct that contains a float and an integer, where changing the value of one will affect the other.
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Q2. Different types of joins
Ans. 
Different types of joins are Inner Join, Left Join, Right Join, and Full Outer Join.
• Inner Join returns only the matching rows from both tables.

• Left Join returns all the rows from the left table and matching rows from the right table.

• Right Join returns all the rows from the right table and matching rows from the left table.

• Full Outer Join returns all the rows from both tables, with NULL values in the columns where there
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Had to go through exam and it was moderate level difficulty

Q1. Asked about Java collections
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Q2. Spring AOP and Frame work
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2 hacker rank problems, 1 easy and 1 medium

Q1. I do not remember
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Q2. I do not remember this question
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Hacker earth test, questions were mainly on ds/algo application

Q1. Ds/algo+ ui tech(js frameworks)+ backend (java, springboot, rest)
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Q2. Design question(oops)+ ds/algo+ frameworks(java, spring, hibernate)
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Q1. Personal interview /projects, challenges faced
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Q1. Personal interview and Salary discussion
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