fixed encryption

LoopFun.java

@@ -60,23 +60,30 @@ public class LoopFun
 
         char arr[] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'};
 
-        int k;
-
-        for (int i = 0; i < 26; i++) {
+        for (int i = 0; i < word.length(); i++) {
+            for (int j = 0; j < 26; j++) {
+                if (word.charAt(i) == arr[j]){
+                    if (j < 23) {
+                        sbEncryption.append(arr[(j + 3)]);
+                    } else {
+                        continue;
+                    } 
+                }
+            }
+        }
+        
+         for (int i = 0; i < 26; i++) {
             for (int j = 0; j < word.length(); j++) {
                 if (word.charAt(j) == arr[i]){
-                    k = i;
-
-                    if (k < 23) {
-                        sbEncryption.append(arr[(k + 3)]);
-                    }
-                    
-                    if (k >= 23) {
-                        sbEncryption.append(arr[(k - 23)]);
+                    if (i >= 23) {
+                        sbEncryption.append(arr[(i - 23)]);
+                    } else {
+                        continue;
                     } 
                 }
             }
         }
+        
         String encryption = sbEncryption.toString();
 
         return encryption;