Swirepay Production Support Analyst Interview Questions and Answers

Q1. Right now didn't any interview.kindly arrange a interview.
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Q2. No I didn't not received any interview process.
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Q1. What is internal working of hashmap
Ans. 
HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where the pair will be stored.

• If multiple key-value pairs hash to the same index, they are stored in a linked list at that index.

• To retrieve a value...read more
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Q2. What is difference between hashmap and concurrent hashmap
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if modified while iterating.

• ConcurrentHashMap allows concurrent modifications without the need for external synchronization.

• ConcurrentHashMap achieves thread-safety by dividing the map into segments, allowing multiple threads to operate on different segments concurrently.

• Concurren...read more
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Q3. Can we override main method in java
Ans. 
No, main method in Java cannot be overridden.
• Main method is a static method of a class and cannot be overridden.

• Subclasses can have their own main method, but it will not be considered as the entry point of the program.

• Example: public class SubClass extends MainClass { public static void main(String[] args) { // This is not the entry point of the program }}
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Q4. Write the command to find the hidden files in unix
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Use the 'ls' command with the '-a' flag to find hidden files in Unix.
• Use the command 'ls -a' to list all files, including hidden files.

• Hidden files in Unix start with a dot (.) before the file name.

• Example: 'ls -a' will display all files, including hidden files.
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Q5. Write a command to replace a string in unix
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Use the sed command to replace a string in Unix
• Use the following syntax: sed 's/original_string/new_string/g' filename

• The 's' flag stands for substitute, 'g' flag stands for global (replace all occurrences)

• Example: sed 's/hello/goodbye/g' file.txt
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It was Easy to medium . overall good

It was Medium to tough level

Q1. What is fifo lifo
Ans. 
FIFO (First In, First Out) and LIFO (Last In, First Out) are inventory management methods.
• FIFO: Items that are added first are the first to be removed. Like a queue.

• LIFO: Items that are added last are the first to be removed. Like a stack.
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Q2. Whole data structure concepts
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Q1. What do you want to change in this country if you get a chance
Ans. 
I would focus on improving access to quality education for all citizens.
• Implementing policies to ensure equal opportunities for education

• Investing in infrastructure and resources for schools in underserved areas

• Providing scholarships and financial aid for students from low-income families

• Promoting vocational training programs to address skills gaps in the workforce
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Q2. I don't remember
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Q1. Tell me an interesting project of yours?
Ans. 
I led a project to implement a new automated production line, increasing efficiency by 30%.
• Researched and selected the best equipment for the production line

• Managed the installation and testing of the new machinery

• Trained staff on how to operate and maintain the automated system
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How will you reduce the returns

Q1. Explain a situation in which you failed and how did you overcome it
Ans. 
I failed to meet a production deadline due to unforeseen issues, but I overcame it by adjusting the schedule and reallocating resources.
• Identify the reasons for the failure

• Communicate with team members and stakeholders about the situation

• Develop a new plan with revised timeline and resource allocation

• Implement the new plan effectively to meet the deadline
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It is a computer base test and we have numerical, verbal and logical reasoning question will be their

Discussion between a group of participants on a given topic

Q1. Tell me about yourself
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Q2. Why should we hire you
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Q1. What programming languages are know by me
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Q2. Asking question on our familiar programming language
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Q1. Past project experience
Ans. 
I have extensive experience managing production projects in various industries.
• Managed a team of 20+ employees to successfully launch a new product line

• Implemented lean manufacturing principles to improve efficiency and reduce waste

• Coordinated with vendors and suppliers to ensure timely delivery of materials

• Utilized project management software to track progress and meet deadlines
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Q1. Self introduction
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Q2. Work experience
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Q3. Which department are u working
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Q4. Timings and salary
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Q1. Name and experience and quality and checking etc
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Q2. How can handle ur problem and team work
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Q3. Times and salary
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Q1. What is your current role in organization
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Q2. What is your salary expeactation
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