| package p; | |
| class Cell<T> { | |
| T t; | |
| public void setT(T t) { | |
| this.t= t; | |
| } | |
| public T getT() { | |
| return t; | |
| } | |
| } | |
| class CellTest { | |
| public static void main(String[] args) { | |
| Cell c1= new Cell(); | |
| c1.setT(17); | |
| Number n= (Number) c1.t; | |
| Cell c2= new Cell(); | |
| c2.t= Boolean.TRUE; | |
| boolean b= (Boolean) c2.t; | |
| boolean b2= (Boolean) c2.getT(); | |
| } | |
| } |