What are functions and methods in programming languages?

What are functions and methods in programming languages?

Functions are reusable blocks of code that perform a specific task, while methods are functions associated with objects.

Can you give me an example of a function in Python?

Sure! Here's a simple function in Python:

def greet(name):
    return f'Hello, {name}!'

This function takes a name as an argument and returns a greeting.

How do methods differ from functions in Java?

In Java, methods are functions that belong to a class and can operate on the data contained within that class, while functions are standalone.

Are there any programming languages that don't use functions?

Most modern programming languages support functions in some form, but some older or specialized languages may not emphasize them.