public class Static{
 
        public static void main(String[] args) {
               
                int result = MathUtility.add(1, 2);
                System.out.println("(1+2) is : " + result);
        }
       
}
 
class MathUtility{
       
        /*
         * To declare static method use static keyword.
         * Static methods are class level methods and can not access any instance
         * member directly. However, it can access members of a particular object
         * using its reference.
         *
         * Static methods are generally written as a utility method or it performs
         * task for all objects of the class.
         *  
         */
         
        public static int add(int first, int second)
        {
                return first + second;
        }
 
}