PPT Slide

public void doIt()

{

someMethod();

someOtherMethod();

someLastMethod();

if (iErrorValue == 1)

...

if (iErrorValue == 2)

...

if (iErrorValue == 3)

...

}

But: What if the run-time error stopped us from continuing?

For example: What if someMethod( ) failed in such a way that we cannot go on to someOtherMethod( )?

To cope, we find ourselves with code that’s nearly as messy as the earlier example which featured multiple nested-ifs:

Exceptions--Global Variables