public void modifyCD(int id, int price, String name, double capacity) {
CompactDisk temp = (CompactDisk) compactDisks.get(id);
temp.setPrice(price);
temp.setName(name);
temp.setCapacity(capacity);
compactDisks.set(id, temp);
}
public String printCD() {
String result = "CD\nid\t\tprice\t\tname\t\tcapacity\n";
for (int i = 0; i < compactDisks.size(); i++) {
CompactDisk temp = (CompactDisk) compactDisks.get(i);
result =
result
+ i
+ "\t\t"
+ temp.getPrice()
+ "\t\t"
+ temp.getName()
+ "\t\t"
+ temp.getCapacity()
+ "\n";
}
return result;
}