Computer scienceProgramming languagesJavaErrorless codeException handling

Custom exceptions

Handle incorrect inputs

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Suppose you are writing a server-client application where the user has to input their age to register. Your goal is to handle incorrect inputs like "13u", "1003", "5o"; no more actions are required. Which strategy will you choose?

Select one option from the list

Create a custom exception — there is no suitable standard exception.

Use a standard exception like IllegalArgumentException — it is suitable for this problem.

Use a standard exception — it is always the best solution.

Create a custom exception — now you know enough about it and can use it everywhere!

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