TRAIAC AUTOMATION Interview Questions and Answers

OOPs concepts and difference between MVC and Web API

• OOPs concepts include inheritance, polymorphism, encapsulation, and abstraction

• MVC is a design pattern for creating web applications that separates the application into three components: Model, View, and Controller

• Web API is a framework for building HTTP services that can be accessed from various clients, including browsers and mobile devices

• The main difference between MVC and Web API is that MVC is used for creating web app...read more

Android is a mobile operating system developed by Google. MVVM and MVP are design patterns, Room is a database library, Kotlin and Java are programming languages, and Android architecture refers to the overall structure of an Android app.

• Android is a mobile operating system developed by Google

• MVVM and MVP are design patterns used in Android development

• Room is a database library for Android apps

• Kotlin and Java are programming languages commonly used for Android development

• Andr...read more

In manual testing, I test software applications manually to identify defects and ensure they meet requirements.

• Create test cases based on requirements

• Execute test cases manually

• Record test results and report defects

• Verify fixes and retest

• Regression testing to ensure existing functionality is not affected

Angular life cycle includes initialization, change detection, content projection, and destruction.

• Initialization: ngOnInit is called after the component is initialized.

• Change Detection: Detects changes in component properties and updates the view.

• Content Projection: Projects external content into the component.

• Destruction: ngOnDestroy is called before the component is destroyed.

A counter example is a specific instance that disproves a general statement or hypothesis.

• Counter examples are used in mathematics and logic to show that a general rule or theorem is not always true.

• They are often used to challenge assumptions and test the validity of a theory.

• For example, a counter example to the statement 'All prime numbers are odd' would be the number 2, which is a prime number but not odd.