abstractspoon.java

仅学习使用

package prototype;

public abstract class AbstractSpoon implements Cloneable {
	String spoonName;
	public void setSpoonName(String spoonName) {
		this.spoonName = spoonName;
	}
	public String getSpoonName() {
		return this.spoonName;
	}
	public Object clone() {
		Object object = null;
		try {
			object = super.clone();
		}catch (CloneNotSupportedException exception)
		{System.err.println("AbstractSpoon is not Cloneable"); }
		return object;
	}
}

class SoupSpoon extends AbstractSpoon {
	public SoupSpoon() { setSpoonName("Soup Spoon"); }
}

class SaladSpoon extends AbstractSpoon {
	public SaladSpoon() { setSpoonName("Salad Spoon"); } 
}