4. A class named Test contains two methods: an instance method named do Instance() and a static method named doStatic (). b) Fill in the missing parts below with the correct Java codes. Refer to the given comments as guidelines. (4 marks) public class Test ( //static method definition: ) System.out.println ("Call static method."); //instance method definition: System.out.println("Call instance method."); class TestMethodi public static void main(String!] args) { Test t new Test(); //call static method: //call instance method: