ZF Commercial Vehicle Control Systems Test Engineer Interview Questions and Answers

Constructors are special methods in a class that are used to initialize objects of that 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.

• Example: public class Car { public Car(String color) { this.color = color; }}

Design patterns in C++ are reusable solutions to common problems in software design.

• Design patterns help in creating flexible, maintainable, and scalable code.

• Examples of design patterns in C++ include Singleton, Factory, Observer, and Strategy.

• Each design pattern has its own purpose and can be applied in different scenarios.

• Understanding design patterns can improve code quality and efficiency.

I am a detail-oriented testing engineer with experience in both manual and automated testing.

• I have a Bachelor's degree in Computer Science

• I have worked on various testing projects for both web and mobile applications

• I am proficient in programming languages such as Java and Python

• I have experience with testing tools such as Selenium and Appium

• I am a quick learner and enjoy working in a team environment

I am expecting a salary that is competitive with industry standards and commensurate with my experience and skills.

• I have researched the average salary range for Testing Engineers in this region and industry

• I am open to negotiation based on the specific responsibilities and benefits offered

• I am looking for a fair and reasonable compensation package that reflects my value to the company

• I am willing to discuss salary exp

Implicit and explicit waits are used in Selenium to wait for elements to load. Xpath is a way to locate elements on a webpage.

• Implicit wait: waits for a certain amount of time before throwing an exception if the element is not found

• Explicit wait: waits for a certain condition to be met before proceeding with the code

• Xpath: a way to locate elements on a webpage using the path of the element in the HTML structure

• Python c...read more

A virtual function is a function in a base class that is declared using the keyword 'virtual' and can be overridden by a function with the same signature in a derived class.

• Virtual functions allow for dynamic polymorphism in object-oriented programming.

• They are used to achieve runtime polymorphism by allowing a function to be called based on the type of object it is called on.

• Virtual functions are declared in a base cl...read more

Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or classes.

• Examples include method overloading and method overriding in object-oriented programming.