anoterCode

Amazon.java

@@ -0,0 +1,36 @@
+import java.util.ArrayList;
+import java.util.Collections;
+
+public class Amazon {
+  public static void main(String[] args) {
+    int[] arr = { 4, 4, 4, 4, 1, 1, 1, 1, 1, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 5, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 };
+    ArrayList<Integer> al = new ArrayList<>();
+    ArrayList<Integer> all = new ArrayList<>();
+    for (int d = 0; d < arr.length; d++) {
+      Collections.sort(all);
+      all.add(arr[d]);
+    }
+    // for (int i = 0; i < arr.length; i++) {
+    // System.out.print(arr[i]);
+    // System.out.print("\t");
+    // al.add(arr[i]);
+    // }
+    // System.out.println("");
+    // System.out.println(al);
+    for (int i = 0; i < arr.length; i++) {
+      int p = 0;
+      if (!al.contains(arr[i])) {
+        al.add(arr[i]);
+        p++;
+        for (int j = 1 + i; j < arr.length; j++) {
+          if (arr[i] == arr[j]) {
+            p++;
+          }
+        }
+        System.out.println(arr[i] + " ==>" + p);
+      }
+    }
+    System.out.println(all);
+  }
+
+}