multilevel inheritance in java

1class Car{
2   public Car()
3   {
4	System.out.println("Class Car");
5   }
6   public void vehicleType()
7   {
8	System.out.println("Vehicle Type: Car");
9   }
10}
11class Maruti extends Car{
12   public Maruti()
13   {
14	System.out.println("Class Maruti");
15   }
16   public void brand()
17   {
18	System.out.println("Brand: Maruti");
19   }
20   public void speed()
21   {
22	System.out.println("Max: 90Kmph");
23   }
24}
25class Maruti800 extends Maruti{
26
27   public Maruti800()
28   {
29	System.out.println("Maruti Model: 800");
30   }
31   public void speed()
32   {
33	System.out.println("Max: 80Kmph");
34   }
35   public static void main(String args[])
36   {
37	 Maruti800 obj=new Maruti800();
38	 obj.vehicleType();
39	 obj.brand();
40	 obj.speed();
41   }
42}

1Class X
2{
3   public void methodX()
4   {
5     System.out.println("Class X method");
6   }
7}
8Class Y extends X
9{
10public void methodY()
11{
12System.out.println("class Y method");
13}
14}
15Class Z extends Y
16{
17   public void methodZ()
18   {
19     System.out.println("class Z method");
20   }
21   public static void main(String args[])
22   {
23     Z obj = new Z();
24     obj.methodX(); //calling grand parent class method
25     obj.methodY(); //calling parent class method
26     obj.methodZ(); //calling local method
27  }
28}

1class Car{
2   public Car()
3   {
4	System.out.println("Class Car");
5   }
6   public void vehicleType()
7   {
8	System.out.println("Vehicle Type: Car");
9   }
10}
11class Maruti extends Car{
12   public Maruti()
13   {
14	System.out.println("Class Maruti");
15   }
16   public void brand()
17   {
18	System.out.println("Brand: Maruti");
19   }
20   public void speed()
21   {
22	System.out.println("Max: 90Kmph");
23   }
24}
25public class Maruti800 extends Maruti{
26
27   public Maruti800()
28   {
29	System.out.println("Maruti Model: 800");
30   }
31   public void speed()
32   {
33	System.out.println("Max: 80Kmph");
34   }
35   public static void main(String args[])
36   {
37	 Maruti800 obj=new Maruti800();
38	 obj.vehicleType();
39	 obj.brand();
40	 obj.speed();
41   }
42}