In what situations is it recommended to use the 'final' modifier in programming?

The final modifier in Java is recommended to be used in the following situations:

• For variables: to make the value immutable after initialization. This helps prevent accidental changes and improves code readability.

• For methods: to prohibit overriding the method in subclasses, which is useful for maintaining method behavior and security.

• For classes: to prevent inheritance from the class, which can be important for ensuring immutability or security of implementation.

Example of using final for a variable:

final int MAX_USERS = 100;

Using final helps create more reliable and predictable code, preventing unwanted modifications.