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JavaTM 2 Platform Std. Ed. v1.3 |
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java.lang.Object
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+--java.lang.Throwable
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+--java.lang.Exception
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+--java.lang.RuntimeException
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+--java.lang.NullPointerException
Thrown when an application attempts to use null in a
case where an object is required. These include:
null object.
null object.
null as if it were an array.
null as if it
were an array.
null as if it were a Throwable
value.
Applications should throw instances of this class to indicate
other illegal uses of the null object.
| Constructor Summary | |
NullPointerException()
Constructs a NullPointerException with no detail message. |
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NullPointerException(String s)
Constructs a NullPointerException with the specified
detail message. |
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| Methods inherited from class java.lang.Throwable |
fillInStackTrace, getLocalizedMessage, getMessage, printStackTrace, printStackTrace, printStackTrace, toString |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
public NullPointerException()
NullPointerException with no detail message.public NullPointerException(String s)
NullPointerException with the specified
detail message.s - the detail message.
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JavaTM 2 Platform Std. Ed. v1.3 |
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