Mitratech Software Engineer III Interview Questions, Process, and Tips

First round will be coding test which will have Core java questions

Q1. Type of Class Loaders available in java
Ans. 
Java has three types of class loaders: Bootstrap Class Loader, Extension Class Loader, and System Class Loader.
• Bootstrap Class Loader loads core Java classes located in the bootstrap classpath.

• Extension Class Loader loads classes from the extensions directory.

• System Class Loader loads classes from the classpath specified by the CLASSPATH environment variable.
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Q2. Coding question related find 3nd highest number with single loop and minimum time complexity.
Ans. 
Use a single loop to find the 3rd highest number in an array with minimum time complexity.
• Iterate through the array and keep track of the three highest numbers encountered so far.

• Update the three highest numbers as you iterate through the array.

• Return the third highest number once the loop is completed.
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Q3. What is diff between cyclicBarrier and countDownLatch?
Ans. 
CyclicBarrier allows a group of threads to wait at a barrier until all threads have reached it, while CountDownLatch allows one or more threads to wait until a set of operations being performed in other threads completes.
• CyclicBarrier is reusable, while CountDownLatch is not.

• CyclicBarrier allows all threads to wait for each other, while CountDownLatch allows one thread to wait for others.

• CyclicBarrier resets automatica...read more
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Q4. What is diff between JPARepository and CURDRepository?
Ans. 
JPARepository is a Spring Data interface for JPA-based repositories, while CRUDRepository is a generic interface for CRUD operations.
• JPARepository extends CRUDRepository and provides additional JPA-specific methods.

• CRUDRepository is a generic interface for CRUD operations on a repository.

• JPARepository is typically used for JPA-based repositories, while CRUDRepository can be used for any type of repository.

• JPARepository...read more
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Q1. Second round is pending
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Q1. Basic Question of DSA (fine single occured digit from an array)
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Q2. Basic qus related to oops
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Q1. DSA question basis on string
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Q2. Tech language question
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Machine coding round

Q1. TCP/IP related questions, what happens when you search a webpage?
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Q2. Past projects discussions
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Q1. Behavioural questions on how would you tackle a particular scenario
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Q1. Sorting of an array
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Q2. Bubble sorting algorithm
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Q1. Java oops question
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Q1. API questions related to put and patch api
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Medium level question

Q1. Coding round related to Data structures
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Know your resume and your basics

Know class diagrams. Very Huge for workday.

Q1. Basic technical question oops concept
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Q1. More about API automation
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