import org.junit.Test;

public class KDifferenceTest {

    @Test
    public void testKDifference() throws Exception {
        assert 2 == AlexMeller.kDifference(3, 1, new int[]{1, 2, 3});
        assert 3 == AlexMeller.kDifference(5, 2, new int[]{1, 5, 3, 4, 2});
        assert 0 == AlexMeller.kDifference(10, 1,
                new int[]{363374326, 364147530, 61825163, 1073065718, 1281246024,
                        1399469912, 428047635, 491595254, 879792181, 1069262793});
    }
}
@@ -128,34 +128,35 @@
 assert 2 == 
-AlexMeller
+KDifference
 .kDifference
@@ -199,34 +199,35 @@
 assert 3 == 
-AlexMeller
+KDifference
 .kDifference
@@ -284,18 +284,19 @@
  == 
-AlexMeller
+KDifference
 .kDi

fix class reference