Removed extra loop in Anagram.java (TheAlgorithms#3654)

TaranjeetSinghKalsi · web-flow · commit fd3386a0dbfb · 2022-10-25T12:19:03.000Z
diff --git a/src/main/java/com/thealgorithms/strings/Anagrams.java b/src/main/java/com/thealgorithms/strings/Anagrams.java
@@ -121,13 +121,8 @@ boolean approach4(String s, String t) {
             for (char c : t.toCharArray()) {
                 kk.put(c, kk.getOrDefault(c, 0) + 1);
             }
-            // It checks for equal frequencies
-            for (char c : nm.keySet()) {
-                if (!nm.get(c).equals(kk.get(c))) {
-                    return false;
-                }
-            }
-            return true;
+            // It checks for equal frequencies by comparing key-value pairs of two hashmaps
+            return nm.equals(kk);
         }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -121,13 +121,8 @@ boolean approach4(String s, String t) {`
`121`	`121`	`for (char c : t.toCharArray()) {`
`122`	`122`	`kk.put(c, kk.getOrDefault(c, 0) + 1);`
`123`	`123`	`}`
`124`		`- // It checks for equal frequencies`
`125`		`- for (char c : nm.keySet()) {`
`126`		`- if (!nm.get(c).equals(kk.get(c))) {`
`127`		`- return false;`
`128`		`- }`
`129`		`- }`
`130`		`- return true;`
	`124`	`+ // It checks for equal frequencies by comparing key-value pairs of two hashmaps`
	`125`	`+ return nm.equals(kk);`
`131`	`126`	`}`
`132`	`127`	`}`
`133`	`128`	`}`