File Handling is an integral part of any programming language as file handling enables us to store the output of any particular program in a file and allows us to perform certain operations on it. File handling in Java is defined as reading and writing data of files. The particular file class from the package called java.io allows us to handle and work with different formats of files.

For Example:

File handling operations:

  1. Create and write a file:

To create a file in Java, you can use the createNewFile() method.

For Example:

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Python has an interesting feature called Decorators to add functionality to an existing code. Decorators are a very powerful and useful tool in Python since it allows programmers to modify the behavior of function or class.

In Decorators, functions are passed as an argument into another function and then called inside the wrapper function.

When to use Decorator :

We’ll use a decorator when we need to change the behavior of a function without modifying the function itself. A few good examples are when we want to add logging, test performance, perform caching, verify permissions, and so on.

We can also use one when we need to run the same code on multiple functions. This avoids you writing duplicating code.

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