Update Unique Email Addresses.java

varunu28 · web-flow · commit c3e1068ddcfd · 2022-09-02T14:05:42.000-07:00
diff --git a/Easy/Unique Email Addresses.java b/Easy/Unique Email Addresses.java
@@ -1,15 +1,13 @@
 class Solution {
   public int numUniqueEmails(String[] emails) {
-    return Arrays.stream(emails).map(Solution::formatEmail).collect(Collectors.toSet()).size();
+    return Arrays.stream(emails).map(Solution::getFormattedEmail).collect(Collectors.toSet()).size();
   }
 
-  private static String formatEmail(String email) {
-    String localName = email.split("@")[0];
-    return (localName.indexOf('+') != -1
-                ? localName.substring(0, localName.indexOf('+'))
-                : localName)
-            .replaceAll("\\.", "")
-        + "@"
-        + email.split("@")[1];
+  private static String getFormattedEmail(String email) {
+    String[] strs = email.split("@");
+    int plusIdx = strs[0].indexOf('+');
+    String formattedLocalName = strs[0].substring(0, (plusIdx == -1 ? strs[0].length() : plusIdx))
+        .replaceAll("\\.", "");
+    return formattedLocalName + "@" + strs[1];
   }
 }
