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10405090xyzabc Software Engineer Interview Questions and Answers

Updated 7 Mar 2025

10405090xyzabc Software Engineer Interview Experiences

3 interviews found

Interview experience
3
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed in Feb 2025.

Round 1 - Interview Questions 

(20 Questions)

  • Q1. Explain the difference between ArrayList and LinkedList in Java. When would you choose one over the other?
  • Q2. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? Can you explain how the ReentrantLock compares to synchronized?
  • Q3. What is the difference between == and .equals() in Java? When should each be used, and what issues can arise from improper usage?
  • Q4. How does the Java garbage collector work? Can you describe the different types of garbage collection algorithms available in Java?
  • Q5. What are the main features of Java 8? Can you explain how lambdas and the Stream API have changed the way Java applications are written?
  • Q6. Describe the differences between checked and unchecked exceptions in Java. Provide examples and explain how to handle them properly.
  • Q7. What is the Java Memory Model, and how does it affect multithreading and synchronization? How does volatile help ensure memory visibility?
  • Q8. Can you explain the difference between method overloading and method overriding in Java? Provide examples where each should be used.
  • Q9. What are functional interfaces in Java? How do they work with lambda expressions? Provide an example of a custom functional interface.
  • Q10. What is a Java Stream, and how does it differ from an Iterator? Explain how Streams can be used to process collections efficiently.
  • Q11. Explain the concept of immutability in Java. How does the String class achieve immutability, and what are the advantages of immutable objects?
  • Q12. What is the difference between final, finally, and finalize in Java? Provide examples to illustrate their usage.
  • Q13. Explain the Singleton design pattern in Java. How can you implement it safely to ensure thread safety?
  • Q14. What are Java annotations, and how are they used in frameworks like Spring? Explain the difference between built-in and custom annotations.
  • Q15. How do Java Streams handle parallel processing? What are the potential pitfalls of using parallel streams, and how can they be mitigated?
  • Q16. Explain the difference between ArrayList and LinkedList in Java. ArrayList is implemented as a dynamic array, while LinkedList is a doubly linked list. ArrayList provides fast random access (O(1) complexi...
  • Q17. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? The synchronized keyword ensures that only one thread can access a block of code at a time. It pr...
  • Q18. What is the difference between == and .equals() in Java? == checks for reference equality, meaning it compares memory addresses. equals() checks for value equality, which can be overridden in user-defined...
  • Q19. How does the Java garbage collector work? Garbage collection in Java automatically reclaims memory occupied by unused objects. The JVM has different types of GC algorithms, including Serial, Parallel, CMS...
  • Q20. What are the main features of Java 8? Java 8 introduced lambda expressions, enabling functional-style programming. The Stream API allows efficient data processing with map, filter, and reduce operations. ...

Software Engineer Interview Questions & Answers

user image Sarfraz Alam

posted on 18 Feb 2025

Interview experience
4
Good
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Selected Selected

I was interviewed in Aug 2024.

Round 1 - Interview Questions 

(3 Questions)

  • Q1. What is a transaction in DBMS, what are ACID properties? Explain the difference between SQL and NoSQL databases. How would you optimize a slow running query?
  • Ans. 

    A transaction in DBMS is a unit of work that must be executed as a whole. ACID properties ensure data integrity. SQL is relational, NoSQL is non-relational.

    • A transaction in DBMS is a set of operations that must be executed as a single unit.

    • ACID properties (Atomicity, Consistency, Isolation, Durability) ensure data integrity in transactions.

    • SQL databases are relational and use structured query language, while NoSQL data...

  • Answered by AI
  • Q2. Define encapsulation and provide an example. Discuss the principles of inheritance and polymorphism.
  • Ans. 

    Encapsulation is the concept of bundling data and methods that operate on the data into a single unit. Inheritance allows a class to inherit attributes and methods from another class. Polymorphism allows objects of different classes to be treated as objects of a common superclass.

    • Encapsulation helps in data hiding and abstraction

    • Example: A class 'Car' encapsulates data like make, model, and methods like start(), stop()

    • ...

  • Answered by AI
  • Q3. Explain how to detect a cycle in a linked list.
  • Ans. 

    Use Floyd's Tortoise and Hare algorithm to detect a cycle in a linked list.

    • Start with two pointers, slow and fast, moving at different speeds.

    • If there is a cycle, the two pointers will eventually meet at some point.

    • If there is no cycle, the fast pointer will reach the end of the list.

    • Example: 1->2->3->4->5->2 (cycle at node 2), slow and fast pointers will meet at node 2.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident in interview. Explain your answers properly

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Interview experience
5
Excellent
Difficulty level
-
Process Duration
Less than 2 weeks
Result
-

I applied via Job Portal

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

First round was based on logical questions and was taken on hacker earth

Round 3 - Technical 

(1 Question)

  • Q1. First question was based on rotating a matrix by 90 degrees

Interview questions from similar companies

Interview experience
1
Bad
Difficulty level
-
Process Duration
4-6 weeks
Result
-

I applied via Referral

Round 1 - Technical 

(1 Question)

  • Q1. Coding Question and resume based questions

Interview Preparation Tips

Interview preparation tips for other job seekers - They keep rescheduling interviews, and the interviewers do not arrive on time. Occasionally, they do not even join the call. If you do not have the time to conduct interviews, then do not waste the candidate's time. Even the interviewer mentioned that they have a hectic work culture.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Assignment 

The assignment was to display a flight list and implement sort and filter functionality.

Round 2 - Coding Test 

Basic of react native concepts and live machine coding round

Interview Preparation Tips

Interview preparation tips for other job seekers - Have patience and be honest
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Dec 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Coding Test 

Coding Rond consisted of 3 questions

Round 3 - One-on-one 

(3 Questions)

  • Q1. 1. Data structures and algorithms
  • Q2. 2. Computer fundamentals
  • Q3. Revise all cs fundamentals

Interview Preparation Tips

Interview preparation tips for other job seekers - Just polish your DSA concepts and projects in your resume

I applied via Campus Placement and was interviewed in Sep 2022. There were 2 interview rounds.

Round 1 - Coding Test 

3 data structure problem with medium to hard level leetcode type.

Round 2 - One-on-one 

(2 Questions)

  • Q1. 1st question was on vertical order traversal in a tree. it was from gfg he also told me to optimise it
  • Q2. 2nd question was from leetcode ie meeting rooms ll , medium question

Interview Preparation Tips

Interview preparation tips for other job seekers - do data structure practise from striver sheet as the ask dsa the most
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Oct 2023. There was 1 interview round.

Round 1 - Coding Test 

Dsa -> questions on trees, linked list, stack, dynamic programming

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed before Nov 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Leetcode medium to hard

Round 2 - Technical 

(2 Questions)

  • Q1. Rain water trapping
  • Q2. Bricks and ladder
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I was interviewed in Oct 2024.

Round 1 - Coding Test 

Polyfills,html,css basics,js intermediate level

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10405090xyzabc Interview FAQs

How many rounds are there in 10405090xyzabc Software Engineer interview?
10405090xyzabc interview process usually has 1-2 rounds. The most common rounds in the 10405090xyzabc interview process are Resume Shortlist, Aptitude Test and Technical.
What are the top questions asked in 10405090xyzabc Software Engineer interview?

Some of the top questions asked at the 10405090xyzabc Software Engineer interview -

  1. What is a transaction in DBMS, what are ACID properties? Explain the difference...read more
  2. Define encapsulation and provide an example. Discuss the principles of inherita...read more
  3. Explain how to detect a cycle in a linked li...read more

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