代码\ABSTRACTCASEDEMO01.JAVA ....\ABSTRACTCASEDEMO02.JAVA ....\ADAPTERDEMO.JAVA ....\INNEREXTDEMO01.JAVA ....\INNEREXTDEMO02.JAVA ....\INTERFACECASEDEMO01.JAVA ....\INTERFACECASEDEMO02.JAVA ....\INTERFACECASEDEMO03.JAVA ....\INTERFACECASEDEMO04.JAVA ....\INTERFACECASEDEMO05.JAVA ....\PROXYDEMO.JAVA 代码