Webdew Softwaretest Engineer Interview Questions and Answers

D/W Rest and GraphQL APIs are two different types of APIs used for communication between software systems.

• D/W Rest API is a standard protocol for accessing and manipulating data over the web using HTTP.

• GraphQL API is a query language for APIs and a runtime for executing those queries with your existing data.

• Rest APIs are more commonly used and follow a stateless client-server architecture.

• GraphQL APIs allow clients to ...read more

REST uses fixed endpoints to define the resources that can be accessed through the API.

• RESTful APIs use fixed URLs to access resources

• Each endpoint corresponds to a specific resource or action

• Endpoints are defined in the API documentation

• Example: GET /users retrieves a list of users

Overload is when a class has multiple methods with the same name but different parameters. Override is when a subclass provides a specific implementation of a method that is already defined in its superclass.

• Overload occurs within the same class, while override occurs between a superclass and its subclass.

• Overload is resolved at compile time based on the method signature, while override is resolved at runtime based on ...read more

Split functions are used to divide a string into multiple parts based on a specified delimiter.

• Split functions are commonly used in programming languages like Python, JavaScript, and Java.

• The split function takes a string and splits it into an array of substrings based on a specified delimiter.

• For example, in Python, the split function can be used like this: 'hello world'.split(' ') will return ['hello', 'world'].