reverse string

fishercoder1534 · fishercoder1534 · commit a77366cea9f9 · 2016-08-18T19:51:30.000-07:00
diff --git a/EASY/src/easy/ReverseString.java b/EASY/src/easy/ReverseString.java
@@ -0,0 +1,24 @@
+package easy;
+
+public class ReverseString {
+    public String reverseString_cheating(String s) {
+        return new StringBuilder(s).reverse().toString();
+    }
+    
+    public String reverseString(String s) {
+        int i = 0, j = s.length()-1;
+        char[] chars = s.toCharArray();
+        while(i < j){
+            char temp = chars[i];
+            chars[i] = chars[j];
+            chars[j] = temp;
+            i++;
+            j--;
+        }
+        StringBuilder sb = new StringBuilder();
+        for(char c : chars){
+            sb.append(c);
+        }
+        return sb.toString();
+    }
+}
