Package java.lang

Class ClassNotFoundException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.ClassNotFoundException

All Implemented Interfaces:

Serializable

public class ClassNotFoundException
extends Exception

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ClassNotFoundException()	Constructs a ClassNotFoundException with no detail message.
ClassNotFoundException(String string)	Constructs a ClassNotFoundException with the specified detail message.
ClassNotFoundException(String string, Throwable ex)	Constructs a ClassNotFoundException with the specified detail message and optional exception that was raised while loading the class.

Method Summary

Modifier and Type	Method	Description
Throwable	getCause()	Returns the cause of this exception (the exception that was raised if an error occurred while attempting to load the class; otherwise null).
Throwable	getException()	Returns the exception that was raised if an error occurred while attempting to load the class.

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

ClassNotFoundException

public ClassNotFoundException()

Constructs a ClassNotFoundException with no detail message.

ClassNotFoundException

public ClassNotFoundException(String string)

Constructs a ClassNotFoundException with the specified detail message.

Parameters:

string - the detail message.

ClassNotFoundException

public ClassNotFoundException(String string,
 Throwable ex)

Constructs a ClassNotFoundException with the specified detail message and optional exception that was raised while loading the class.

Parameters:

string - 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, returns null.

This method predates the general-purpose exception chaining facility. The Throwable.getCause() method is now the preferred means of obtaining this information.

Returns:

the Exception that was raised while loading a class

Since:

1.2

getCause

public Throwable getCause()

Returns the cause of this exception (the exception that was raised if an error occurred while attempting to load the class; otherwise null).

Overrides:

getCause in class Throwable

Returns:

the cause of this exception.

Since:

1.4