Refactored ReverseStringUsingStack

Author: navaneedan07

src/main/java/com/thealgorithms/stacks/ReverseStringUsingStack.java

@@ -65,7 +65,7 @@ public static String reverse3(String string) {
      * * @param str The input string to be reversed.
      * @return The reversed string.
      */
-    public static String reverse4(String str) {
+    public static String reverseStringUsingStack(String str) {
         // Check if the input string is null
         if (str == null) {
             throw new IllegalArgumentException("Input string cannot be null");

src/main/java/com/thealgorithms/strings/ReverseString.java

@@ -36,12 +36,12 @@ public void testReverseString3(String input, String expectedOutput) {
 
     @ParameterizedTest
     @MethodSource("testCases")
-    public void testReverseString4(String input, String expectedOutput) {
-        assertEquals(expectedOutput, ReverseString.reverse4(input));
+    public void testReverseStringUsingStack(String input, String expectedOutput) {
+        assertEquals(expectedOutput, ReverseString.reverseStringUsingStack(input));
     }
 
     @Test
-    public void testReverseString4WithNullInput() {
-        assertThrows(IllegalArgumentException.class, () -> ReverseString.reverse4(null));
+    public void testReverseStringUsingStackWithNullInput() {
+        assertThrows(IllegalArgumentException.class, () -> ReverseString.reverseStringUsingStack(null));
     }
 }