Class ClassNotFoundException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.ReflectiveOperationException
java.lang.ClassNotFoundException
All Implemented Interfaces:
Serializable
public classClassNotFoundExceptionextendsReflectiveOperationException
Thrown when an application tries to load in a class through itsstring name using:
  • TheforName method in classClass.
  • ThefindSystemClass method in classClassLoader .
  • TheloadClass method in classClassLoader.

but no definition for the class with the specified name could be found.

Since:
1.0
See Also:

  • Constructor Details

    • ClassNotFoundException

      public ClassNotFoundException()
      Constructs aClassNotFoundException with no detail message.

    • ClassNotFoundException

      public ClassNotFoundException(String s)
      Constructs aClassNotFoundException with thespecified detail message.
      Parameters:
      s - the detail message.

    • ClassNotFoundException

      public ClassNotFoundException(String s,Throwable ex)
      Constructs aClassNotFoundException with thespecified detail message and optional exception that wasraised while loading the class.
      Parameters:
      s - the detail message
      ex - the exception that was raised while loading the class
      Since:
      1.2

  • Method Details

    • getException

      public Throwable getException()
      Returns the exception that was raised if an error occurred whileattempting to load the class. Otherwise, returnsnull.
      API Note:
      This method predates the general-purpose exception chaining facility.TheThrowable.getCause() method is now the preferred means ofobtaining this information.
      Returns:
      theException that was raised while loading a class
      Since:
      1.2