public?class?TestRelection?{ ????public?static?void?main(String[]?args)?{ ????????String?str?=?"T"; ????????try?{ ????????????Class.forName(str);????//把名為str的類裝載到內存 ????????}?catch?(ClassNotFoundException?e)?{ ????????????e.printStackTrace(); ????????} ????} } class?T?{ ????static?{ ????????System.out.println("loader"); ????} ????int?i; ????String?string; ????public?void?m1(int?i)?{ ????????this.i?=?i; ????} ????public?String?getS()?{ ????????return?string; ????} }