Dr. Reddy's Interview Questions and Answers

Java Reflection is a feature that allows a program to examine or modify its own structure at runtime.

• Java Reflection provides a way to inspect and manipulate classes, methods, fields, and constructors at runtime.

• It allows you to access private fields and methods, bypassing encapsulation.

• You can dynamically create instances of classes, invoke methods, and access fields using Reflection.

• Example: Class clazz = Class.forName("com.example.MyClass");

• Example: Method method = clazz.g...read more

Virtual functions in C++ allow for dynamic binding and polymorphism.

• Virtual functions are declared in a base class and can be overridden in derived classes.

• They allow for dynamic binding, meaning the function to be called is determined at runtime.

• Virtual functions enable polymorphism, where objects of different classes can be treated as objects of a common base class.

• Example: class Animal { virtual void speak() { cout << "Animal speaks"; } }; class Dog : public Animal { void ...read more

Automate sign in test case on a website using Selenium

• Use Selenium WebDriver to open the website

• Locate the username and password fields using locators like ID, name, class, etc.

• Enter valid credentials into the fields

• Click on the sign in button

• Verify successful sign in by checking for expected elements on the next page