2013/5/10 Konstantin Preißer <verlag.preis...@t-online.de>:
> Hi all,
>
> I apologize for being completely off-topic (this question has nothing to do
> with Tomcat), but I thought there may be some guys here that are experts in
> class loading and are able to answer my question.
>
>
> You probably know the method java.lang.Class.forName(String name) which
> returns a class object from the given name. The JavaDoc (Java 7) of this
> method says:
>
> Returns the Class object associated with the class or interface with
> the given string name. Invoking this method is equivalent to:
> Class.forName(className, true, currentLoader)
> where currentLoader denotes the defining class loader of the current
> class.
>
> While this description may be a bit ambiguous about what "current class"
> means here, the JavaDoc of Class.forName(String name, boolean initialize,
> ClassLoader loader) makes it clearer by stating:
>
> For example, in an instance method the expression:
> Class.forName("Foo")
> is equivalent to:
> Class.forName("Foo", true, this.getClass().getClassLoader())
>
>
> So, shouldn't this mean that I get the same result/behavior when writing this
> code:
>
> public void doSomething() throws ClassNotFoundException {
> Class<?> clazz = Class.forName("foo.Bar");
> // do something...
> }
>
> Instead of this one:
>
> public void doSomething() throws ClassNotFoundException {
> Class<?> clazz = Class.forName("foo.Bar", true,
> this.getClass().getClassLoader());
> // do something...
> }
>
> or did I misunderstand something?
>
Yes, the same.
BTW, Oracle JDKs come with source code for their public classes,
On Windows that is %JAVA_HOME%/src.zip. Do you have such file?
Best regards,
Konstantin Kolinko
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