java.lang.NullPointerException Maven / Gradle / Ivy
/*
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This work corresponds to the API signatures of JSR 219: Foundation
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JSR 219 specification, which is available at
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*/
package java.lang;
/**
* Thrown when an application attempts to use null in a
* case where an object is required. These include:
*
* - Calling the instance method of a
null object.
* - Accessing or modifying the field of a
null object.
* - Taking the length of
null as if it were an array.
* - Accessing or modifying the slots of
null as if it
* were an array.
* - Throwing
null as if it were a Throwable
* value.
*
*
* Applications should throw instances of this class to indicate
* other illegal uses of the null object.
*
* @author unascribed
* @version 1.16, 02/02/00
* @since JDK1.0
*/
public class NullPointerException extends java.lang.RuntimeException
{
/**
* Constructs a NullPointerException with no detail message.
*/
public NullPointerException() { }
/**
* Constructs a NullPointerException with the specified
* detail message.
*
* @param s the detail message.
*/
public NullPointerException(java.lang.String s) { }
}