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(); } }