Abstract: A computer-implemented method and system for loading an object class into computer memory for access by an object-oriented application. A first object class is loaded into the computer memory, and initially a classload request for the first object class traverses from a first classloader to a second classloader. A destructible classloader is created that contains a second object class which may be a modification of the first object class. After creating the destructible classloader, the classload request traverses from the first classloader to the destructible classloader and then to the second classloader. The destructible classloader attempts to load into the computer memory the second object class if the second classloader fails to load the second object class.