create palindrome-number.java

Author: sujin0529

Java/palindrome-number.java

@@ -0,0 +1,19 @@
+class Solution {
+    public boolean isPalindrome(int x) {
+        String _x = x+""; // integer convert string
+        String rev = ""; // store reverse
+        int i = 0;
+        for(i = _x.length()-1; i>=0; i--){
+            rev += _x.charAt(i); 
+        }
+        
+        if(_x.compareTo(rev) == 0){
+            // correct
+            return true;
+        }
+        else{
+            return false;
+        }
+        
+    }
+}