Prototype Design Pattern

package designpattern.prototype;public class BasicPrototype implements IProtoype, Cloneable {private String color = “”;public String getColor() {
return color;
}
public void setColor(String color) {
this.color = color;
}

@Override
public BasicPrototype clone() {
BasicPrototype newInstance = null;

try {
newInstance = (BasicPrototype) super.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}

return newInstance;
}

}

package designpattern.prototype;import java.util.ArrayList;
import java.util.List;public class ListPrototype implements IProtoype, Cloneable {private List colorList = new ArrayList();
public List getColorList() {
return colorList;
}

public void setColorList(List colorList) {
this.colorList = colorList;
}

@Override
public ListPrototype clone() {
ListPrototype newInstance = null;

try {
newInstance = (ListPrototype) super.clone();
newInstance.getColorList().clear();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}

return newInstance;
}

}

package designpattern.prototype;public class PrototypeMain {public static void main(String[] args) {IProtoype b1 = new BasicPrototype();
((BasicPrototype) b1).setColor(“blue”);
BasicPrototype b2 = b1.clone();
System.out.println(b2.getColor());

IProtoype l1 = new ListPrototype();
((ListPrototype) l1).getColorList().add(“blue”);

ListPrototype l2 = l1.clone();
System.out.println(l2.getColorList().size());

}

}