Hays Business Solutions Associate Interview Questions and Answers

Creating an interface in Python or Java

• In Python, create an interface using the 'abc' module and the 'abstractmethod' decorator

• In Java, create an interface using the 'interface' keyword

• Interfaces define a set of methods that a class must implement

Return is used to exit a function and yield is used to produce a series of values

• Return statement is used to exit a function and return a value to the caller

• Yield statement is used in generator functions to produce a series of values

• Yield is used to create iterators, while return is used to return a value from a function

• Example: def generator_function(): yield 1 yield 2 yield 3

• Example: def return_function()

A general scenario is a common situation or setting that can be applied to various contexts.

• General scenarios help to provide a framework for understanding different situations

• They can be used in problem-solving, decision-making, and planning

• Examples include a job interview, a classroom setting, or a family gathering