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
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public class
NullPointerException
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extends RuntimeException
Signals the illegal use of a null pointer.
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Version:
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1.9, 07/30/95
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NullPointerException()
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Constructs a NullPointerException with no detail message.
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NullPointerException(String)
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Constructs a NullPointerException with the specified detail message.
NullPointerException
public NullPointerException()
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Constructs a NullPointerException with no detail message.
A detail message is a String that describes this particular exception.
NullPointerException
public NullPointerException(String s)
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Constructs a NullPointerException with the specified detail message.
A detail message is a String that describes this particular exception.
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Parameters:
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s
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the detail message
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