Create Check if All Characters Have Equal Number of Occurrences.java

Author: varunu28

Easy/Check if All Characters Have Equal Number of Occurrences.java

@@ -0,0 +1,7 @@
+class Solution {
+  public boolean areOccurrencesEqual(String s) {
+    return new HashSet<>(s.chars().mapToObj(c -> (char) c)
+        .collect(Collectors.groupingBy(Function.identity(), HashMap::new, Collectors.counting()))
+        .values()).size() == 1;
+  }
+}