JavaTM 2 Platform
Std. Ed. v1.4.2

java.lang
Class ClassCastException

java.lang.Object
  extended byjava.lang.Throwable
      extended byjava.lang.Exception
          extended byjava.lang.RuntimeException
              extended byjava.lang.ClassCastException
All Implemented Interfaces:
Serializable

public class ClassCastException
extends RuntimeException

Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance. For example, the following code generates a ClassCastException:

     Object x = new Integer(0);
     System.out.println((String)x);
 

Since:
JDK1.0
See Also:
Serialized Form

Constructor Summary
ClassCastException()
          Constructs a ClassCastException with no detail message.
ClassCastException(String s)
          Constructs a ClassCastException with the specified detail message.
 
Methods inherited from class java.lang.Throwable
fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ClassCastException

public ClassCastException()
Constructs a ClassCastException with no detail message.


ClassCastException

public ClassCastException(String s)
Constructs a ClassCastException with the specified detail message.

Parameters:
s - the detail message.

JavaTM 2 Platform
Std. Ed. v1.4.2

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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