Aaj Enterprises Software Developer Interview Questions and Answers

Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.

• Allows a class to reuse code from another class

• Creates a parent-child relationship between classes

• Derived class inherits attributes and methods from base class

Garbage collector is a program that automatically manages memory by reclaiming memory occupied by objects that are no longer in use.

• Garbage collector is a part of the runtime environment of a programming language.

• It helps prevent memory leaks by reclaiming memory from objects that are no longer needed.

• Examples of languages with garbage collectors include Java, C#, and Python.

Try catch block is used in programming to handle exceptions and errors that may occur during the execution of code.

• Try block contains the code that may throw an exception.

• Catch block is used to handle the exception thrown by the try block.

• Finally block is optional and is used to execute code regardless of whether an exception is thrown or not.

• Exceptions can be of different types such as runtime exceptions, checked exce...read more