java.lang
Class RuntimeException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.lang.RuntimeException

Direct Known Subclasses:

ArithmeticException, ArrayStoreException, ClassCastException, EmptyStackException, IllegalArgumentException, IllegalMonitorStateException, IllegalStateException, IndexOutOfBoundsException, NegativeArraySizeException, NoSuchElementException, NullPointerException, SecurityException

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

Version:

1.8, 12/04/99

Constructor Summary

RuntimeException()
Constructs a RuntimeException with no detail message.

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

Methods inherited from class java.lang.Throwable

getMessage, printStackTrace, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

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.