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§1.40 Class NullPointerException
public class java.lang.NullPointerException
extends java.lang.RuntimeException (I-§1.42)
{
// Constructors
public NullPointerException(); §1.40.1
public NullPointerException(String s); §1.40.2
}
Thrown when an application attempts to use null in a case where an object is required.
These include:
Applications should throw instances of this class to indicate other illegal uses of the null
object.
NullPointerException
public NullPointerException()
- Constructs a NullPointerException with no detail message.
NullPointerException
public NullPointerException(String s)
- Constructs a NullPointerException with the specified detail message.
- Parameters:
s
- the detail message
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Java API Document (HTML generated by dkramer on April 22, 1996)
Copyright © 1996 Sun Microsystems, Inc.
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Please send any comments or corrections to doug.kramer@sun.com