Class java.lang.NullPointerException
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Class java.lang.NullPointerException
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
- public class NullPointerException
- extends RuntimeException
Signals the illegal use of a null pointer.
-
NullPointerException()
- Constructs a NullPointerException with no detail message.
-
NullPointerException(String)
- Constructs a NullPointerException with the specified detail message.
NullPointerException
public NullPointerException()
- Constructs a NullPointerException with no detail message.
A detail message is a String that describes this particular exception.
NullPointerException
public NullPointerException(String s)
- Constructs a NullPointerException with the specified detail message.
A detail message is a String that describes this particular exception.
- Parameters:
- s - the detail message
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