NullPointerException
Class 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
- All Implemented Interfaces:
- Serializable
public class NullPointerException extends RuntimeException
Thrown when an application attempts to use null in a case where an object is required. These include:
- Calling the instance method of a
