- Added solutions by Peter Campbell Smith.

- Added solutions by Mohammad Meraj Zia.

1 files changed, 19 insertions, 0 deletions

diff --git a/challenge-260/ziameraj16/java/UniqueOccurrences.java b/challenge-260/ziameraj16/java/UniqueOccurrences.java
new file mode 100644
index 0000000000..d533f70db7
--- /dev/null
+++ b/challenge-260/ziameraj16/java/UniqueOccurrences.java
@@ -0,0 +1,19 @@
+import java.util.*;
+
+public class UniqueOccurrences {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Enter comma separate numbers");
+        final List<Integer> original = Arrays.stream(scanner.nextLine().split(",")).map(Integer::valueOf).toList();
+        Set<Integer> set = new HashSet(original);
+        Set<Integer> frequency = new HashSet<>();
+        for (int value : set) {
+            if(!frequency.add(Collections.frequency(original, value))) {
+                System.out.println("0");
+                System.exit(1);
+            }
+        }
+        System.out.println("1");
+    }
+}