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Message:

a useful side-step

Posted by Raghu Havaldar on May 05, 1999 at 11:33 AM

> I enjoyed the article on Exceptions. I've been wrestling with
> which is better for code that gets executed many times.
> Say, I have a class MyClass which function (doit1() or doit2())
> is more efficient?

> class MyClass {
> MyObject myObj;
> ...
> ...
> void doit1() {
> if(myObj == null) {
> myObj = new MyObject();
> }
> myObj.process();
> }
> void doit2() {
> try {
> myObj.process();
> }
> catch(NullPointerException e) {
> myObj = new MyObject();
> myObj.process();
> }
> }
> }

Without addressing the 'optimization' issue, I would prefer to
have a Assert class to check for object references been 'null'.

Such as: Assert.isNull(objectRef).
This method would throw an 'unchecked' exception if the reference was null.

Raghu