3 import java
.util
.HashSet
;
7 import lejos
.robotics
.SampleProvider
;
9 public class ColorMemory
{
11 private Set
<Integer
> colors
;
13 public ColorMemory(SampleProvider color
) {
14 colors
= new HashSet
<Integer
>();
17 public void addColor(int current
) {
18 if(!colors
.contains(current
)){
22 public boolean containsAll(List
<Integer
> is
) {
23 return colors
.containsAll(is
);