public class Set {
	// Represent a set of nonnegative ints from 0 to maxElement-1
	// for some initially specified maxElement. 
	
	// contains[k] is true if k is in the set, false if it isn't
	private boolean [ ] contains;
	
	// Initialize a set of ints from 0 to maxElement-1.
	public Set (int maxElement) {
	
	}
	
	// precondition: 0 <= k < maxElement.
	// postcondition: k is in this set.
	public void insert (int k) {
		
	}
	
	// precondition: 0 <= k < maxElement.
	// postcondition: k is not in this set.
	public void remove (int k) {
	
	}
	
	// precondition: 0 <= k < maxElement
	// Return true if k is in this set, false otherwise.
	public boolean member (int k) {
	
	}
	
	// Return true if this set is empty, false otherwise.
	public boolean isEmpty ( ) {
		
	}
}