java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.ReflectiveOperationException
java.lang.ClassNotFoundException
- All Implemented Interfaces:
Serializable
Thrown when an application tries to load in a class through its
string name using:
- The
forNamemethod in classClass. - The
findSystemClassmethod in classClassLoader. - The
loadClassmethod in classClassLoader.
but no definition for the class with the specified name could be found.
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Constructor Summary
ConstructorsConstructorDescriptionConstructs aClassNotFoundExceptionwith no detail message.Constructs aClassNotFoundExceptionwith the specified detail message.Constructs aClassNotFoundExceptionwith the specified detail message and optional exception that was raised while loading the class. -
Method Summary
Modifier and TypeMethodDescriptionReturns the exception that was raised if an error occurred while attempting to load the class.Methods declared in class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
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Constructor Details
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ClassNotFoundException
public ClassNotFoundException()Constructs aClassNotFoundExceptionwith no detail message. -
ClassNotFoundException
Constructs aClassNotFoundExceptionwith the specified detail message.- Parameters:
s- the detail message.
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ClassNotFoundException
Constructs aClassNotFoundExceptionwith the specified detail message and optional exception that was raised while loading the class.- Parameters:
s- the detail messageex- the exception that was raised while loading the class- Since:
- 1.2
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Method Details
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getException
Returns the exception that was raised if an error occurred while attempting to load the class. Otherwise, returnsnull.- API Note:
- This method predates the general-purpose exception chaining facility.
The
Throwable.getCause()method is now the preferred means of obtaining this information. - Returns:
- the
Exceptionthat was raised while loading a class - Since:
- 1.2
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