View difference between Paste ID: vPsJ7UjX and gpZQFJsh

-import java.util.ArrayList;
+package ch.fhnw.claudemartin;
-import java.util.Collections;
+
 import java.util.Arrays;
 import java.util.Comparator;
 import java.util.HashMap;
-class MyClass
+
-{
+public class SomeClass {
-    static HashMap<Integer, Integer> map;// = new HashMap<Integer,Integer>();
+
-    public static void main(String[] arrg)
+  public static void main(final String[] arrg) {
-    {
+    final int[] arr = { 2, 5, 2, 8, 5, 6, 8, 8 };
-        int[] arr = {2,5,2,8,5,6,8,8};
+    final int[] sorted = Arrays.stream(arr).distinct().boxed()
-        map = new HashMap<Integer,Integer>();
+        .sorted(new MyComp(arr)).mapToInt(i -> i).toArray();
-        ArrayList<Integer> list = new ArrayList<Integer>();
+    System.out.println(Arrays.toString(sorted));
-        for(int i=0; i<arr.length; i++)
+  }
-        {
+
-            if(map.get(arr[i]) == null)
+  static class MyComp implements Comparator<Integer> {
-            {
+
-                map.put(arr[i],1);
+    final HashMap<Integer, Integer> map = new HashMap<Integer, Integer>();
-            }
+    final int[]                     data;
-            else
+
-            {
+    private boolean                 initialized = false;
-                int count = map.get(arr[i]);
+    public MyComp(final int[] data) {
-                map.put(arr[i],++count);
+      this.data = data;
-            }
+
-
+
-            list.add(arr[i]);
+    private void init() {
       if(this.initialized) return;
-
+      this.initialized = true;
-        Collections.sort(list, new MyComp());
+
-        System.out.println(list);
+      for (final int i : this.data) {
         // could use map.computeIfAbsent(key, mappingFunction)
-
+        if (this.map.get(i) == null) {
-    static class MyComp implements Comparator<Integer>
+          this.map.put(i, 1);
-    {
+        } else {
-		public int compare(Integer o1, Integer o2) {
+          int count = this.map.get(i);
-			int count1 = map.get(o1);
+          this.map.put(i, ++count);
-			int count2 = map.get(o2);
+
-
+      }
-			if(count1 > count2)
+
-			{
+
-				return -1;
+
-			}
+    @Override
-			else if(count1 < count2)
+    public int compare(final Integer o1, final Integer o2) {
-			{
+      this.init();
-				return 1;
+      final int count1 = this.map.get(o1);
-			}
+      final int count2 = this.map.get(o2);
-			else
+      return Integer.compare(count2, count1);
-			{
+
-				return 0;
+  }
-			}
+