Synopsis

Class Name:

java.lang.RuntimeException

Superclass:

java.lang.Exception

Immediate Subclasses:

java.lang.ArithmeticException,

java.lang.ArrayStoreException,

java.lang.ClassCastException,

java.lang.IllegalArgumentException,

java.lang.IllegalMonitorStateException,

java.lang.IllegalStateException,

java.lang.IndexOutOfBoundsException,

java.lang.NegativeArraySizeException,

java.lang.NullPointerException,

java.lang.SecurityException,

java.util.EmptyStackException,

java.util.MissingResourceException,

java.util.NoSuchElementException

Interfaces Implemented:

None

Availability:

JDK 1.0 or later

Description

The RuntimeException class is the superclass of the standard run-time exceptions that can be thrown in Java. The appropriate subclass of RuntimeException is thrown in response to a run-time error detected at the virtual machine level. A run-time exception represents a run-time condition that can occur generally in any Java method, so a method is not required to declare that it throws any of the run-time exceptions.

A Java program should try to handle all of the standard run-time exception classes, since they represent routine abnormal conditions that should be anticipated and caught to prevent program termination.

Class Summary

public class java.lang.RuntimeException extends java.lang.Exception {
  // Constructors
  public RuntimeException();
  public RuntimeException(String s);
}

Constructors

Inherited Methods

See Also

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