日期:2014-05-20 浏览次数:20942 次
package generics;
public class Exercise22<T> 
{
    T x;
    Exercise22(Class<T> args)
    {
        try
        {
            x=args.newInstance();
        }catch(Exception e)
        {
            System.out.print("error");
        }
    }
    public static void main(String[] args)
    {
        Exercise22 e= new Exercise22(Integer.class);
        System.out.print(e.x);
    }
}