1. In the data processing system, means for initiating an object execution sequence comprising: a. an object memory; b. an object execution memory having locations therein containing prologues of object initialization sequences and execution sequences; c. objects in said object memory, each object comprising a body of data and location adress data which is the address of a first location in said object execution memory where an object initialization sequence is recorded, each said first location also comprising memory address data which is the address of another location in said object execution memory where an object execution sequence is recorded; d. object pointers indifferently mixed with said objects in said memory, each object pointer comprising object address data which is the address of one object in said object memory, each object pointer accessing said one object in object memory when said each object pointer is accessed; e. addressing means for selectively accessing one object or one object pointer in said object memory; and f. means responsive to said location address data of an accessed object, for accessing said first location to initiate said object initialization sequence and thereafter responsive to said memory address data to access said another location to initiate said object execution sequence.