Movatterモバイル変換

Module java.base

Package java.lang

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 its string 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 Summary
Constructors
Constructor
Description
ClassNotFoundException()
Constructs aClassNotFoundException with no detail message.
ClassNotFoundException(String s)
Constructs aClassNotFoundException with the specified detail message.
ClassNotFoundException(String s,Throwable ex)
Constructs aClassNotFoundException with the specified detail message and optional exception that was raised while loading the class.
Method Summary
Modifier and Type
Method
Description
Throwable
getException()
Returns 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
Methods declared in class java.lang.Object
clone,equals,finalize,getClass,hashCode,notify,notifyAll,wait,wait,wait

Constructor Details
- ClassNotFoundException
  public ClassNotFoundException()
  Constructs aClassNotFoundException with no detail message.
- ClassNotFoundException
  public ClassNotFoundException(String s)
  Constructs aClassNotFoundException with the specified detail message.
  Parameters:
  s - the detail message.
- ClassNotFoundException
  public ClassNotFoundException(String s,Throwable ex)
  Constructs aClassNotFoundException with the specified detail message and optional exception that was raised 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 while attempting 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 of obtaining this information.
  Returns:
  theException that was raised while loading a class
  Since:
  1.2

[8]ページ先頭

©2009-2025 Movatter.jp