class APPLICATION create make feature {NONE} -- Initialization make -- Run application local a1: A1[C1] a2: A2[C2] c1: C1 c2: C2 e: EFF me: M_EX do create me create e create a1 create a2 create c1 create c2 a1.test(1,c1) a1.test(-1,c1) a2.test(1,c2) a2.test(-1,c2) io.read_line end end