java.lang.NullPointerException
This runtime exception is thrown when an attempt is made to access a field or
method of an instance or an element of an array when there is no instance or
array to use (i.e. the pointer is null).
Summary
Public Constructors
fillInStackTrace,
getCause,
getLocalizedMessage,
getMessage,
getStackTrace,
initCause,
printStackTrace,
printStackTrace,
printStackTrace,
setStackTrace,
toString
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
Details
Public Constructors
public
NullPointerException()
Constructs a new instance of this class with its walkback filled in.
public
NullPointerException(String detailMessage)
Constructs a new instance of this class with its walkback and message
filled in.
Parameters
detailMessage
| String The detail message for the exception.
|