Refactored ReverseStringUsingStack utility for reversing strings using stack

navaneedan07 · navaneedan07 · commit cf6eac13c2d0 · 2025-07-30T22:41:37.000+05:30
diff --git a/src/main/java/com/thealgorithms/strings/ReverseString.java b/src/main/java/com/thealgorithms/strings/ReverseString.java
@@ -76,14 +76,13 @@ public static String reverse4(String str) {
             return str;
         }
         // Push each character of the string onto the stack
-        for (char i : str.toCharArray()) {
-            stack.push(i);
+        for (char ch : str.toCharArray()) {
+            stack.push(ch);
         }
         // Pop each character from the stack and append to the StringBuilder
         while (!stack.isEmpty()) {
             reversedString.append(stack.pop());
         }
         return reversedString.toString();
     }
-
 }

Original file line number	Diff line number	Diff line change
`@@ -76,14 +76,13 @@ public static String reverse4(String str) {`
`76`	`76`	`return str;`
`77`	`77`	`}`
`78`	`78`	`// Push each character of the string onto the stack`
`79`		`- for (char i : str.toCharArray()) {`
`80`		`- stack.push(i);`
	`79`	`+ for (char ch : str.toCharArray()) {`
	`80`	`+ stack.push(ch);`
`81`	`81`	`}`
`82`	`82`	`// Pop each character from the stack and append to the StringBuilder`
`83`	`83`	`while (!stack.isEmpty()) {`
`84`	`84`	`reversedString.append(stack.pop());`
`85`	`85`	`}`
`86`	`86`	`return reversedString.toString();`
`87`	`87`	`}`
`88`		`-`
`89`	`88`	`}`