Class java.lang.RuntimeException - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.lang.RuntimeException

java.lang.Object
   |
   +----java.lang.Throwable
           |
           +----java.lang.Exception
                   |
                   +----java.lang.RuntimeException

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.

RuntimeException(): Constructs a RuntimeException with no detail message.
RuntimeException(String): Constructs a RuntimeException with the specified detail message.

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.

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