说明：Department类中设置了两个属性，deptNo，deptName还有get set方法。 我想问一下，method.invoke方法里面不是obj的引用吗，那为什么invoke还会成功找到Department的setDeptno方法执行。 当我这样定义时，Object obj = new Department();执行obj.setDeptno()就不行，invoke方法到底是什么 ...

I wrote about the NetBeans hint “Overridable Method Call in Constructor” in the blog post Seven Indispensable NetBeans Java Hints. In this post, I look at why having an overridable method called from ...

The new JavaServer Pages (JSP) version incorporates the expression language (EL) introduced by the JSP Standard Tag Library (JSTL) to let Web designers produce scriptless JSP pages that don’t contain ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The entry point of a standalone Java application is the main method or function. In the age of ...