文档介绍：java垃圾回收机制与析构源代码    lassTestSuperextendsTestOLConPerson{ /*定义成员变量*/ StringpersonWorkplace;//工作地点   /*定义构造函数TestSuper(Stringname,intage,Stringsex,Stringwork)*/ publicTestSuper(Stringname,intage,Stringsex,Stringwork){  super(name,age,sex);  personWorkplace=work;  ("姓名:"++",年龄:"++",性别:"++",工作地点:"+personWorkplace); }  publicstaticvoidmain(Stringargs[]){  /*调用构造函数生成对象person*/  TestSuperperson=newTestSuper("李玲",20,"女","北京"); }}lassTestSubclassEmployeeextendsTestClassPerson{ /*定义成员变量*/ privateStringpersonName;//姓名 privateintpersonAge;//年龄 privateStringpersonSex;//性别 privateStringworkPlace;//工作单位 privateStringphoneNum;//电话号码  publicvoidsetPersonWorkplace(Stringwork){  workPlace=work; }  publicvoidsetPersonPhonenum(Stringpnum){  phoneNum=pnum; }  publicStringgetPersonWorkplace(){  returnworkPlace; }  publicStringgetPersonPhonenum(){  returnphoneNum; }毕业论文/ 论文网/  publicstaticvoidmain(Stringargs[]){  TestSubclassEmployeeperson=newTestSubclassEmployee();    p