lay1.java~2~

来自「《深入浅出设计模式》的完整源代码」· JAVA~2~ 代码 · 共 16 行

package shallowvsdeep;

public class Lay1 implements Cloneable {
  public int x;
  public Lay2 lay2;
  public Object clone() {
    Object clone = null;
    try {
      clone = super.clone ();
    }
    catch (CloneNotSupportedException e) {
      // should never happen
    }
    return clone;
  }
}