WM Global Technology Services India Pvt.Ltd Interview Questions, Process, and Tips

Q1. Swap strings in an array
Ans. 
Swap two strings in an array
• Identify the two strings to be swapped

• Use a temporary variable to hold one of the strings

• Assign the value of the second string to the first string

• Assign the value of the temporary variable to the second string
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Q1. What is different between functional and procedural programming language
Ans. 
Functional programming focuses on computation through functions while procedural programming focuses on step-by-step instructions.
• Functional programming is declarative while procedural programming is imperative

• Functional programming avoids side effects while procedural programming allows them

• Functional programming emphasizes immutability while procedural programming emphasizes mutability

• Examples of functional programmi...read more
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Q1. What is your salary expectation
Ans. 
My salary expectation is in line with industry standards and commensurate with my experience and skills.
• I have researched the market rates for this position and my qualifications

• I am open to negotiation based on the overall compensation package

• I am looking for a fair and competitive salary that reflects my value to the company
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Q1. Trapping Rainwater
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Q1. Multithreading in Java
Ans. 
Multithreading in Java allows multiple threads to execute concurrently, improving performance and responsiveness.
• Multithreading in Java is achieved by extending the Thread class or implementing the Runnable interface.

• Threads share the same memory space, so synchronization is important to prevent data corruption.

• Java provides synchronized keyword, locks, and concurrent data structures for thread safety.

• Example: Creating...read more
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Q2. HLD of order processing system
Ans. 
The High-Level Design (HLD) of an order processing system involves outlining the overall architecture and components of the system.
• Identify the main components of the system such as order creation, order validation, order fulfillment, and order tracking.

• Define the interactions between these components and how data flows between them.

• Consider scalability, fault tolerance, and performance requirements in the design.

• Inclu...read more
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Q1. Behavioral questions
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60 min duration
hackerrank

Q1. A brief about yourself and your career and past work experiences.
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Q2. Technical expertise on the technology you are getting interviewed for.
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