public class NullArgumentException extends IllegalArgumentException
Thrown to indicate that an argument was null
and should
not have been.
This exception supplements the standard IllegalArgumentException
by providing a more semantically rich description of the problem.
NullArgumentException
represents the case where a method takes
in a parameter that must not be null
.
Some coding standards would use NullPointerException
for this case,
others will use IllegalArgumentException
.
Thus this exception would be used in place of
IllegalArgumentException
, yet it still extends it.
public void foo(String str) { if (str == null) { throw new NullArgumentException("str"); } // do something with the string }
Constructor and Description |
---|
NullArgumentException(String argName)
Instantiates with the given argument name.
|
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
public NullArgumentException(String argName)
Instantiates with the given argument name.
argName
- the name of the argument that was null
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