From 7aeb97fcdfe49b2518512339356462ced27a5966 Mon Sep 17 00:00:00 2001
From: Neetika23 <42495275+Neetika23@users.noreply.github.com>
Date: Thu, 26 Oct 2023 23:57:27 +0530
Subject: [PATCH] Update StringIterator.java

---
 .../stringIterator/StringIterator.java        | 44 +++++++++++--------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/core-java-modules/core-java-strings/src/main/java/com/baeldung/stringIterator/StringIterator.java b/core-java-modules/core-java-strings/src/main/java/com/baeldung/stringIterator/StringIterator.java
index cbd69a151a..0f7cd2a7f7 100644
--- a/core-java-modules/core-java-strings/src/main/java/com/baeldung/stringIterator/StringIterator.java
+++ b/core-java-modules/core-java-strings/src/main/java/com/baeldung/stringIterator/StringIterator.java
@@ -6,48 +6,54 @@ import java.util.*;
 public class StringIterator {
     public static void main(String[] args) {
         String str = "Hello, Baeldung!";
-        javaforLoop(str);
-        System.out.println();
-        java8forEach(str);
-        System.out.println();
-        javaCharArray(str);
-        System.out.println();
-        javaRegexExp(str);
-        System.out.println();
-        javaCharacterIterator(str);
+        System.out.println(javaforLoop(str));
+        System.out.println(java8forEach(str));
+        System.out.println(javaCharArray(str));
+        System.out.println(javaRegexExp(str));
+        System.out.println(javaCharacterIterator(str));
     }
 
-    public static void javaCharArray(String str){
+    public static String javaCharArray(String str){
+        StringBuilder result = new StringBuilder();
         for (char c : str.toCharArray()) { 
-            System.out.print(c);
+            result.append(c);
         }
+        return result.toString();
     }
 
-    public static void javaforLoop(String str) {
+    public static String javaforLoop(String str) {
+        StringBuilder result = new StringBuilder();
         for (int i = 0; i < str.length(); i++) {
             char c = str.charAt(i);
-            System.out.print(c);
+            result.append(c);
         }
+        return result.toString();
     }
 
-    public static void java8forEach(String str){
+    public static String java8forEach(String str){
+        StringBuilder result = new StringBuilder();
         str.chars().forEach(name -> {
-            System.out.print((char) name);
+            result.append((char) name);
         });
+        return result.toString();
     }
 
-    public static void javaRegexExp(String str){
+    public static String javaRegexExp(String str){
+        StringBuilder result = new StringBuilder();
         String[] characters = str.split(""); 
         for (String c : characters) { 
-            System.out.print(c); 
+            result.append(c); 
         }
+        return result.toString();
      }
 
-    public static void javaCharacterIterator(String str){
+    public static String javaCharacterIterator(String str){
+        StringBuilder result = new StringBuilder();
         CharacterIterator it = new StringCharacterIterator(str);  
         while (it.current() != CharacterIterator.DONE) { 
-            System.out.print(it.current()); 
+            result.append(it.current()); 
             it.next(); 
         }
+        return result.toString();
     }
 }