Is it accepted to exclude checked exceptions in Java and in what cases is it permissible?

In Java, checked exceptions are intended for handling errors that can be anticipated and recovered from. It is not recommended to ignore (suppress) them, as this violates the method's contract and can lead to hidden errors.

However, in some cases, it is permissible not to explicitly handle checked exceptions:

• If you want to propagate the exception further without handling it in the current method, you can use the throws keyword.
• If you are confident that the exception will not occur, or if you want to wrap a checked exception into an unchecked one (RuntimeException) to avoid complicating the method signature.
• In tests or prototypes where exception handling is not critical.

Example of wrapping a checked exception into an unchecked one:

try {
    someMethodThatThrowsCheckedException();
} catch (IOException e) {
    throw new RuntimeException(e);
}

But such approaches should be used consciously to avoid losing error information and to maintain application reliability.