Close the scanner

Others/CountChar.java

@@ -14,7 +14,7 @@ public class CountChar {
   	  	Scanner input = new Scanner(System.in);
   	  	System.out.print("Enter your text: ");
       	String str = input.nextLine();
-
+        input.close();
         System.out.println("There are " + CountCharacters(str) + " characters.");
     }