Re: (no subject)

["James H. H. Lampert" <jamesl@xxxxxxxxxxx>]

Mike Wills wrote:
> I get this error message: "non-static method
> sortArrayAsc(java.lang.String[]) cannot be referenced
> from a static context". What does this mean exactly?

Dear Mr. Wills:

It means it's an instance method, and you're trying to call it as if it
were a class method.

Consider the class Foo (and please ignore any syntax errors; I don't
usually code Java at home):

Class Foo extends Baz implements Bar {
    static int fizmo(int frotz) {
        int dimwit = frobozz(frotz + 3);  /* won't compile */
        Foo anInstance = new Foo();
        int flathead = anInstance.frobozz(frotz); /* compiles and runs
fine */
        int zork = prosser(5 * frotz);   /* and so does this */
        return zork + flathead * dimwit;
    }
    int frobozz (int mumbar) {
         return prosser(5 * mumbar); /* and so does this */
    }
    static int prosser (int zifmia) {
         return zifmia - 2;
    }
}

The line marked "won't compile" will give you the same error you're
describing, because it's calling an instance method without an instance.

--
James H. H. Lampert
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