interfaceBritishSpy{voidspeak();}interfaceGermanSpy{voidsprechen();}classSpyimplementsBritishSpy,GermanSpy{publicvoidspeak(){System.out.println("Hello");}publicvoidsprechen(){System.out.println("Gutentag");}}classAgency{voidtoMI5(BritishSpybs){bs.speak();}voidinGermany(GermanSpygs){gs.sprechen();}}publicclassMain{publicstaticvoidmain(String[]args){BritishSpybs=newSpy();bs.speak();GermanSpygs=newSpy();gs.sprechen();Agencyagency=newAgency();agency.toMI5(bs);agency.inGermany(gs);Spyspy=newSpy();agency.toMI5(spy);agency.inGermany(spy);}}
遵循经济发展的客观规律,坚持可持续发展战略,科学发展观