PPT Slide

J.51

Throwing Exceptions

Methods that will check for errors and

throw exceptions use

?the throws clause to tell the compiler

what kind of exceptions they may throw

? the throw statement to perform the throwing

Example:

public void replaceValue(String name, Object newValue)

throws NoSuchAttributeException

{

Attr attr = find(name);

if (attr == null)

throw new NoSuchAttributeException(name newValue);

attr.valueOf(newValue);

}

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