java.lang
Class  RuntimeException
java.lang.Object
  |
  +--java.lang.Throwable
        |
        +--java.lang.Exception
              |
              +--java.lang.RuntimeException
- Direct Known Subclasses: 
 - ArithmeticException, ArrayStoreException, ClassCastException, ConcurrentModificationException, EmptyStackException, IllegalArgumentException, IllegalMonitorStateException, IllegalStateException, IndexOutOfBoundsException, MissingResourceException, NegativeArraySizeException, NoSuchElementException, NullPointerException, SecurityException, UnsupportedOperationException
 
- public class RuntimeException
- extends Exception
  
RuntimeException is the superclass of those 
 exceptions that can be thrown during the normal operation of the 
 Java Virtual Machine. 
 
 A method is not required to declare in its throws 
 clause any subclasses of RuntimeException that might 
 be thrown during the execution of the method but not caught.
- Since: 
 - JDK1.0
 
- See Also: 
 - Serialized Form
 
 
 
 
| Methods inherited from class java.lang.Object | 
, 
clone, 
equals, 
finalize, 
getClass, 
hashCode, 
notify, 
notifyAll, 
registerNatives, 
wait, 
wait, 
wait | 
 
RuntimeException
public RuntimeException()
- Constructs a 
RuntimeException with no detail  message. 
RuntimeException
public RuntimeException(String s)
- Constructs a 
RuntimeException with the specified 
 detail message.
- Parameters:
 s - the detail message.