Create Valid Palindrome

Author: HarryWangATX

Valid Palindrome

@@ -0,0 +1,25 @@
+class Solution {
+    public boolean isPalindrome(String s) {
+        String line = "";
+        String reverse = "";
+        for(int i = 0; i<s.length(); i++){
+            if((s.charAt(i) >= 'A' && s.charAt(i)<='Z') || (s.charAt(i) >= 'a' && s.charAt(i)<='z') ||(s.charAt(i)>='0' && s.charAt(i)<='9')){
+                line += s.charAt(i)+"";
+            }
+        }
+        line = line.toLowerCase();
+        //System.out.println(line);
+        return reverse(line).equals(line);
+    }
+    
+    public static String reverse(String a){
+        String result = "";
+        for(int i = a.length()-1; i>=0; i--){
+            result += a.charAt(i);
+        }
+        
+        return result;
+    }
+    
+    
+}