refactor 929

fishercoder1534 · fishercoder1534 · commit ea48b17c000e · 2018-10-28T08:25:37.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_929.java b/src/main/java/com/fishercoder/solutions/_929.java
@@ -18,11 +18,7 @@ public int numUniqueEmails(String[] emails) {
                 filteredLocalName = filteredLocalName.replace(".", "");
                 map.get(parts[1]).add(filteredLocalName);
             }
-            int n = 0;
-            for (String key : map.keySet()) {
-                n += map.get(key).size();
-            }
-            return n;
+            return map.keySet().stream().mapToInt(key -> map.get(key).size()).sum();
         }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -18,11 +18,7 @@ public int numUniqueEmails(String[] emails) {`
`18`	`18`	`filteredLocalName = filteredLocalName.replace(".", "");`
`19`	`19`	`map.get(parts[1]).add(filteredLocalName);`
`20`	`20`	`}`
`21`		`- int n = 0;`
`22`		`- for (String key : map.keySet()) {`
`23`		`- n += map.get(key).size();`
`24`		`- }`
`25`		`- return n;`
	`21`	`+ return map.keySet().stream().mapToInt(key -> map.get(key).size()).sum();`
`26`	`22`	`}`
`27`	`23`	`}`
`28`	`24`	`}`