Acma Computers BDM Interview Questions and Answers

Q1. Tell me about yourself
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Q1. 1 Project Explanation 2 SDLC & STLC. 3 Differentiate Smoke vs Sanity 4 What is Regression testing? 5 Bug life cycle. 6 Scenarios on real time example. 7 Questions on agile
Ans. 
Interview questions for Software Engineer position
• Project explanation should include details on the project's purpose, scope, and technologies used

• SDLC (Software Development Life Cycle) and STLC (Software Testing Life Cycle) are methodologies used in software development and testing respectively

• Smoke testing is a type of testing that checks if the basic functionalities of the software are working fine, while Sanity tes...read more
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Q1. All basic HR questions and salary discussion.
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25 MCQ questions online with time limit

Create webapp . Frontend, Backend , data encryption

There are three sections: -
1. Quants
2. English
3. Reasoning
All sections are accessible medium but you have maintained the speed and accuracy.
after that coding snippet are in java/python.

Code snippets are there in coding sections.

Q1. What is Go Module?
Ans. 
Go Modules are a dependency management system for Go programming language, enabling versioning and isolation of packages.
• Introduced in Go 1.11 to manage dependencies more effectively.

• Allows developers to define module dependencies in a 'go.mod' file.

• Supports semantic versioning, making it easier to manage package versions.

• Modules can be versioned, allowing for reproducible builds.

• Example: 'module example.com/my/module'...read more
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Q2. What is difference between Goroutine and Thread.
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Goroutines are lightweight, managed by Go runtime, while threads are OS-level, heavier, and managed by the OS.
• Goroutines are cheaper in terms of memory and resources compared to threads.

• Goroutines are multiplexed onto a smaller number of OS threads, allowing for efficient concurrency.

• Creating a goroutine is as simple as using the 'go' keyword, e.g., 'go myFunction()'.

• Threads require more overhead for creation and manag...read more
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Q1. What are the 4 principles of oops?
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Q2. What is the difference between string buffer and string builder?
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String buffer is synchronized and thread-safe, while string builder is not synchronized and faster.
• String buffer is synchronized, making it thread-safe for use in multi-threaded environments.

• String builder is not synchronized, providing better performance in single-threaded applications.

• String builder is faster than string buffer due to lack of synchronization overhead.

• Example: StringBuffer sb = new StringBuffer(); Str...read more
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Q3. Why strings are immutable?
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Strings are immutable in order to ensure data integrity and security.
• Immutable strings prevent accidental data modification, ensuring data integrity.

• Immutable strings enhance security by preventing unauthorized access or tampering.

• Immutable strings allow for more efficient memory management and optimization.

• Example: 'Hello' cannot be changed to 'Hella' directly, a new string must be created.
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Q4. What are the different types of exception in java?
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Q5. Explain linear search algorithm.
Ans. 
Linear search is a simple searching algorithm that sequentially checks each element in a list until a match is found.
• Iterate through each element in the list

• Compare the current element with the target value

• Return the index if a match is found, otherwise return -1
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Q6. Difference between JDK jvm and jre
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JDK includes JRE and development tools, while JRE includes only the Java Runtime Environment.
• JDK stands for Java Development Kit, which includes JRE and development tools like compilers and debuggers.

• JRE stands for Java Runtime Environment, which includes JVM and libraries necessary to run Java applications.

• JVM stands for Java Virtual Machine, which is responsible for executing Java bytecode.

• JDK is used for developing ...read more
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