answer question use object oriented programmng in java.

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QUESTION 2 Consider the following test class, Testclassi. public class TestClassi public static void main(String[] args) int x = 6; Class1 cl - new classi(x); cl.disp(); // n = 6 cl.setN(-5); System.out.println(cl); // n = -5 if (cl.is Negodd()) System.out.println(cl.get()+": a negative odd integer"); else System.out.println(el.getN()+":not a negative odd integer"); // -5:a negative odd integer } a) State the category of the methods below: i. setN() ii. isNegodd () iii. disp) iv. getN) (2 marks) b) Write a method definition of isNegodd(). (3 marks) c) Write a toString() method to produce the same output as disp(). (3 marks) d) Write a complete class implementation of class1. (7 marks)