ABCI Infrastructures Java Developer Interview Questions and Answers

Proficient in C#, jQuery, and MySQL.

Test was hard, needs to prepared very well

Round duration - 60 minutes
Round difficulty - Easy

This was a technical interview round with questions on C, C++ and Windows.

Q1. What is the difference between C and C++?
Ans. 
C is a procedural programming language while C++ is an object-oriented programming language with features like classes and inheritance.
• C is a procedural programming language while C++ is a multi-paradigm language with support for object-oriented programming.

• C does not support classes and objects, while C++ does.

• C does not have features like inheritance and polymorphism which are present in C++.

• C is a subset of C++.

• C++ ...read more
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Q2. What are access specifiers in C++?
Ans. 
Access specifiers in C++ are keywords used to define the accessibility of class members.
• Access specifiers include public, private, and protected.

• Public members are accessible from outside the class.

• Private members are only accessible within the class.

• Protected members are accessible within the class and its subclasses.

• Example: class MyClass { private: int x; public: void setX(int val) { x = val; } };

• Example: MyClass ob
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Q3. How do you open Device Manager in Windows?
Ans. 
Device Manager can be opened in Windows by using the Run dialog box or searching in the Start menu.
• Press Windows key + R to open the Run dialog box, then type 'devmgmt.msc' and press Enter

• Search for 'Device Manager' in the Start menu and click on the result to open it
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Q4. How do you open the command prompt in Windows?
Ans. 
To open the command prompt in Windows, you can use the search bar or keyboard shortcuts.
• Use the search bar and type 'cmd' or 'command prompt'

• Press Windows key + R, then type 'cmd' and press Enter
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Round duration - 30 minutes
Round difficulty - Easy

HR interview can be a bit tricky. They will try to see your creativity in your answers so just be yourself and be confident.

1 hour duration, related financial crisis

Q1. Explain Spring boot flow
Ans. 
Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured templates and dependencies.
• Spring Boot uses an embedded server to run the application

• It provides auto-configuration of dependencies

• It uses annotations to configure the application

• It supports various data sources and web frameworks

• It simplifies the deployment process
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Q2. What is difference between error and exception?
Ans. 
Errors are unrecoverable, while exceptions can be handled.
• Errors are caused by the environment or JVM, while exceptions are caused by the application code.

• Errors cannot be handled, while exceptions can be caught and handled using try-catch blocks.

• Examples of errors include OutOfMemoryError and StackOverflowError, while examples of exceptions include NullPointerException and ArrayIndexOutOfBoundsException.
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