user.java

来自「Practical Java也是一本和J2ME手机游戏开发相关的书」· Java 代码 · 共 14 行

class User implements Cloneable
{
  //As before...
  public Object clone()
  {
    try {
      return super.clone();
    }
    catch (CloneNotSupportedException e) {
      //This should not happen, since this class is Cloneable.
      throw new InternalError();
    }
  }
}