OOP Study

Task

Make an app that controls two devices, Device A and Device B, via corresponding controllers, Controller A and Controller B. There might be many vendors for Device A, as well as for Device B.

Spec

Device A:

• op1(int)
• op2(int): int

Device B:

• op1(int)
• op2(int, int): int

Controller A:

• foo(param): device.op1(param * param)
• run(param): device.op2(param)

Controller B:

• foo(param): device.op1(param * param)
• run(param): device.op2(param, param)

App:

• controllerA.foo(13)
• controllerB.foo(15)
• controllerB.run( controllerA.run(42) )