update tests

java/reverse/Reverse.java

@@ -40,42 +40,4 @@ public class Reverse {
         }
         out.flush();
     }
-
-    static class FastScanner {
-        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
-        String line = null;
-        int pos = 0;
-
-        boolean hasNextLine() throws IOException {
-            if (line != null && pos < line.length()) return true;
-            line = br.readLine();
-            pos = 0;
-            return line != null;
-        }
-
-        boolean hasNextInt() {
-            if (line == null) return false;
-            while (pos < line.length() && Character.isWhitespace(line.charAt(pos))) pos++;
-            return pos < line.length();
-        }
-
-        int nextInt() {
-            while (pos < line.length() && Character.isWhitespace(line.charAt(pos))) pos++;
-            int start = pos;
-            boolean negative = line.charAt(pos) == '-';
-            if (negative) pos++;
-
-            while (pos < line.length() && Character.isDigit(line.charAt(pos))) pos++;
-
-            int result = 0;
-            for (int i = negative ? start + 1 : start; i < pos; i++) {
-                result = result * 10 + (line.charAt(i) - '0');
-            }
-            return negative ? -result : result;
-        }
-
-        void nextLine() {
-            pos = line.length();
-        }
-    }
 }