@@ -0,0 +1,284 @@
+package instructions;%0A%0Apublic class CheckCast %7B%0A    %0A    public static void main(String%5B%5D args) %7B%0A        Object x = %22string%22;%0A        String y = (String) x;%0A        %0A        Object a = args;%0A        String%5B%5D b = (String%5B%5D) a;%0A        %0A        System.out.println(%22OK!%22);%0A    %7D%0A    %0A%7D%0A

add CheckCast.java