lay2.java~2~

来自「《深入浅出设计模式》的完整源代码」· JAVA~2~ 代码 · 共 15 行

package shallowvsdeep;

public class Lay2 implements Cloneable {
  public int y;
  public Object clone() {
    Lay2 clone = null;
    try {
      clone = (Lay2)super.clone ();
    }
    catch (CloneNotSupportedException e) {
      // should never happen
    }
    return clone;
  }
}