Petra asset and Facility Management Interview Questions and Answers

Q1. Explain Compilation process steps?
Ans. 
Compilation process involves several steps to convert source code into executable code.
• Preprocessing: Includes header file inclusion, macro expansion, and conditional compilation.

• Compilation: Translates source code into assembly code.

• Assembly: Converts assembly code into machine code.

• Linking: Combines object files and libraries to create an executable file.

• Loading: Loads the executable file into memory and prepares it
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Quant , Logical REASONING , Java

Q1. Why should we hire you?
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Q2. What is your family background?
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Q3. Tell me about yourself.
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It was basic code syntax check test.

Q1. All regular technical questions about your skillset which is matching their requirement. This was with a Tech Lead (>13 years experienced)
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Q1. These were all heavy technical questions regarding the required skillset and your own skillset. It was conducted by 2 SSDs (Both >10 year exp.)
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Q1. This was a Manager+HR round. The Manager asked questions regarding way of working (Agile, Scrum, Safe, etc.) and questions around that. The Manager then dropped off and the HR asked questions generic quest...read more
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Q1. HR reached out to me through naukri. Based on my tech stack i matched the requirements. On the first call HR asked me a lot of the questions on why i was looking out for a change, what kind of work have i ...read more
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Q1. Write a program to find last non repeating character in a given string using Java 8 functions only like Streams and Lambda's.
Ans. 
Program to find last non-repeating character in a given string using Java 8 functions only.
• Use Java 8 Streams and Lambda's to filter the string and find the last non-repeating character.

• Create a Map to store the frequency of each character in the string.

• Use the filter() method to get the non-repeating characters and find the last one using reduce().
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Q2. Given two interface, Interface A and Interface B both having the same functions in them let's say apply(). If a class implements both of these interface then which function will get implemented?
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Q3. Given a employee table with name, ID, age, salary and ratings column. Find the top 3 employee based on the ratings.
Ans. 
Find the top 3 employees based on ratings in an employee table.
• Sort the employee table based on ratings in descending order.

• Select the top 3 employees from the sorted table.

• Return the selected employees as the result.
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Q4. Group anagram coding question.
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Q5. Given an Employee class with 3 fields name, age and salary. Make changes in the class so that any two employee objects having same names are considered duplicates.

Ans. 

Modify Employee class to consider objects with same names as duplicates.

• Add a static HashSet to keep track of unique names.

• Override equals() and hashCode() methods to compare names.

• In the constructor, check if the name already exists in the HashSet and mark it as duplicate if true.

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