Wittybrains Software Technologies Software Developer Interview Questions and Answers for Experienced

Overloading is when multiple methods have the same name but different parameters. Overriding is when a subclass provides a different implementation of a method inherited from its superclass.

• Overloading is compile-time polymorphism, while overriding is runtime polymorphism.

• Overloading allows a class to have multiple methods with the same name but different parameters.

• Overriding is used to provide a different implementat...read more

Recursion is a programming concept where a function calls itself to solve a problem by breaking it down into smaller subproblems.

• Recursion involves a base case and a recursive case

• It is commonly used to solve problems that can be divided into smaller, similar subproblems

• Examples include factorial calculation, Fibonacci sequence, and tree traversal

A constructor is a special method used to initialize objects in a class.

• Constructors have the same name as the class they belong to.

• They are called automatically when an object is created.

• Constructors can have parameters to initialize object properties.

• They can be overloaded to have multiple versions with different parameters.

• Constructors can also call other constructors using the 'this' keyword.