jvm虚拟机

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1.演示stack、永久区、堆

2.演示两种传引用对象的方法

Request request=new Request();
Login login=new Login();
Response response=login.doGet(request);
response.toString();

Request request=new Request();
Response response=new Response();
Login login=new Login();
login.doGet(request,response);
response.toString();