You must upload a .zip file with directory structure that looks like the following:
comp2402a2/DefaultComparator.java comp2402a2/Tester.java comp2402a2/MinDeque.java comp2402a2/SlowMinDeque.java comp2402a2/MinStack.java comp2402a2/FastMinDeque.java comp2402a2/SlowMinStack.java comp2402a2/FastMinStack.javaAll Java classes should be part of the
comp2402a2
package.