View difference between Paste ID: 9spndMKP and vPsJ7UjX

 package ch.fhnw.claudemartin;
 
 import java.util.Arrays;
 import java.util.Collections;
-import java.util.HashMap;
+
 import java.util.List;
 import java.util.stream.Collectors;
 
 public class SomeClass {
 
-    final int[] sorted = Arrays.stream(arr).distinct().boxed()
+
-        .sorted(new MyComp(arr)).mapToInt(i -> i).toArray();
+
-    System.out.println(Arrays.toString(sorted));
+    System.out.println(Arrays.toString(sortByFrequency(arr)));
   }
 
-  static class MyComp implements Comparator<Integer> {
+  static final int[] sortByFrequency(final int[] input) {
     final List<Integer> list = Arrays.stream(input).boxed().collect(Collectors.toList());
-    final HashMap<Integer, Integer> map = new HashMap<Integer, Integer>();
+    final Comparator<Integer> comp = (a,b) -> Integer.compare(Collections.frequency(list, b), Collections.frequency(list, a));
-    final int[]                     data;
+    return Arrays.stream(input).distinct().boxed().sorted(comp).mapToInt(i -> i).toArray();
   }
-    private boolean                 initialized = false;
+
-    public MyComp(final int[] data) {
+