Instantiating an interface or abstract class in application code

A computer program product comprising a non-transitory computer useable medium having a computer readable program, wherein the computer readable program, when executed on a computing device, causes the computing device to:

• provide mapping metadata for mapping an abstract class to a corresponding concrete class implementing the abstract class;
• encounter an instantiation statement for the abstract class during processing of application code, wherein the instantiation statement does not specify a concrete class implementing the abstract class;
• and
• convert the instantiation statement to specify the concrete class implementing the abstract class based on the mapping metadata.

A system, comprising:

• a processor;
• and
• a memory coupled to the processor, wherein the memory comprises instructions which, when executed by the processor, cause the processor to:
• provide mapping metadata for mapping an abstract class to a corresponding concrete class implementing the abstract class;
• encounter an instantiation statement for the abstract class during processing of application code, wherein the instantiation statement does not specify a concrete class implementing the abstract class;
• and
• convert the instantiation statement to specify the concrete class implementing the abstract class based on the mapping metadata.