摘要:
package a; public interface CentralPartyCommittee { void partyLeader(); } package a; public abstract class StateCouncil{ abstract void safetyInProduct 阅读全文
摘要:
package a; public interface InterfaceA { int method(int n); } package a; public class ClassA implements InterfaceA { public int method(int n) { int su 阅读全文
摘要:
package lianxi; public interface InterfaceA { void printCapitalLetter(); } package lianxi; public interface InterfaceB { void printLowercaseLetter(); 阅读全文