One of the Java reflections

 Public Static voidMain (string[] args) {Try{Class CLA= Class.forName ("Com.money.test.Employee"); Object obj=cla.newinstance (); Method method2= Cla.getdeclaredmethod ("Setnum",int.class); System. out. println (Method2.invoke (obj,3)); Method[] Methods= CLA. Getdeclaredmethods ();  for(Method method:methods) {System. out. println (Method.getname ()); if(Method.getname (). Contains ("Setnum") ) {System. out. println (Method.invoke (obj,2)); }            }        }        Catch(Exception ex) {System. out. println (Ex.getstacktrace ()); }}

classEmployee {Private intsalary; Privatejava.util.Date Hireday; PrivateString name;  Public intgetsalary () {returnsalary; }     Public voidSetsalary (intsalary) {         This. Salary =salary; }     PublicDate Gethireday () {returnHireday; }     Public voidSethireday (Date hireday) { This. Hireday =Hireday; }     PublicString GetName () {returnname; }     Public voidsetName (String name) { This. Name =name; }     PublicEmployee (String name,intsalary, Date hireday) {         This. Name =name;  This. Hireday =Hireday;  This. Salary =salary; }     PublicEmployee () {}Static Privatehashmap<string, string> dict =NewHashmap<string, string>(); Static{num=0;/*dict.put ("1", "Employee"); Dict.put ("2", "Employee");*/} @Override PublicString toString () {if(Hireday = =NULL) Hireday=calendar.getinstance (). GetTime ();        SimpleDateFormat formatter; Formatter=NewSimpleDateFormat ("Yyyy-mm-dd HH:mm:ss"); returnString.Format ("name:%s,salary:%d,hireday:%s", name, salary, Formatter.format (hireday)); }    Static intnum;  Public Static intGetnum () {returnnum; }     Public Static intSetnum (inta) {num+=A; returnGetnum (); }}

One of the Java reflections