publicclassPet{privateStringname；publicPet（Stringname）{this.name=name；}publicvoidspeak（）{S

talbe : pub（pub_code char（2),pub_name varchar2（32)) book（book_code char（8),book_name va

talbe : pub（pub_code char（2),pub_name varchar2（32)) book（book_code char（8),book_name va

Pub－talk, the most popular activity in all pubs, is a native dialect with its own distin

7360GPON中，ONT版本软件建议的存放路径是：（)A.／Sw／B.／pub／Sw／Download／C.／pub／OntSw／Download／

publicclassPet{}publicclassCatextendsPet{}执行代码Catc=newCat();Petp=(Pet)c;下列哪项是正确的?

publicclassPet{publicvoidspeak(){System.out.print(Pet”);}}publicclassCatextendsPet{publicv