package a; public interface CentralPartyCommittee { void partyLeader(); }
package a; public abstract class StateCouncil{ abstract void safetyInProduction(); }
package a; public class Province extends StateCouncil implements CentralPartyCommittee { public void partyLeader() { System.out.println("我们各省人民一定坚持党的领导!"); } @Override void safetyInProduction() { System.out.println("我们各省人民一定按照国务院的指示进行安全生产!"); } }
package a; public class E1 { public static void main(String[] args) { Province p=new Province(); CentralPartyCommittee a=p; StateCouncil b=p; a.partyLeader(); b.safetyInProduction(); } }