01204212/icecream

This is part of 01204212

Tasks: icecream shop 3, icecream shop 4

Test data: icecream3, icecream4

Links

• Java priority queue class
• An example on how to add custom objects to the priority queue: stackoverflow

Codes

Customer class (for icecream3)

public class Customer implements Comparable<Customer> {
	public int age;
	public int id;
		
	public Customer(int i, int a) {
		id = i; age = a;
	}

	@Override
	public int compareTo(Customer a) {
		if(age < a.age) {
			return -1;
		} else if(age > a.age) {
			return 1;
		} else {
			return 0;
		}
	}	
}