CS计算机代考程序代写 Java b’dfb0ebb92f3990637e90bc60ae1f216400e8e3′

b’dfb0ebb92f3990637e90bc60ae1f216400e8e3′

blob 1734�package programmingexample3;

import java.util.Iterator;

public class CreativeHamper extends ArrayListItemHamper {
/**
* invariant: if hamper contains 5 or more items, it must contain at least 2 toy cars (at least 1 must be premium) and at least 2 fruits. Otherwise, adding an item should do nothing
* creative hamper has a price surcharge of $10
*/

@Override
public int getPrice(){
// TODO implement this
return super.getPrice() + 10;
}

@Override
public void add(Item e, int n){
// TODO implement this
// Find number of what each thing will be after adding the item
int numItem = 0;
int numFruit = 0;
int numCar = 0;
int numPremCar = 0;
Iterator> iter = iterator();
while(iter.hasNext()) {
Count c = iter.next();
Item item = c.getElement();
int num = c.getCount();
if (item instanceof Fruit) {
numFruit += num;
}
if (item instanceof ToyCar) {
numCar += num;
}
if (item instanceof PremiumToyCar) {
numPremCar += num;
}
numItem += num;
}
if (e instanceof Fruit) {
numFruit += n;
}
if (e instanceof ToyCar) {
numCar += n;
}
if (e instanceof PremiumToyCar) {
numPremCar += n;
}
numItem += n;

// Check if the item can be added
if (numItem < 5 || (numFruit >= 2 && numCar >= 2 && numPremCar >= 1)) {
super.add(e, n);
}

}
}