![public class BaseClass
{
Public void display()
{
System,out.println(“ this is base class”);
}
}
Public classs DerivedClass extends BaseClass
{ public void disp()
{
System.out.println(“this is derived class”);
}
Public static void main(String args[])
{](https://image.slidesharecdn.com/84b8d9d5-255d-47be-88c9-fe9c4b4fc8a3-160912141901/85/inheritance-3-320.jpg)
![}
Public void speed()
{
avgspeed=avgdistance/speed;
System.out.println(“Avg speed=“+avgspeed);
}
Public class void main(String args[])
{
Vehicle v=new Vehicle();
v.distanceTravelled();
v.speed();
}
}](https://image.slidesharecdn.com/84b8d9d5-255d-47be-88c9-fe9c4b4fc8a3-160912141901/85/inheritance-7-320.jpg)
inheritance
- 1. Single Inheritance Multiple Inheritance Multilevel Inheritance Hierarchical Inheritance Hybrid Inheritance
- 2. When a class extends another class (only one class) then we call it as single inheritance. Class A Class B
- 3. public class BaseClass { Public void display() { System,out.println(“ this is base class”); } } Public classs DerivedClass extends BaseClass { public void disp() { System.out.println(“this is derived class”); } Public static void main(String args[]) {
- 4. DerivedClass D= new DerivedClass() D.display(); D.disp(); } } OUTPUT This is base class This is derived class
- 5. When one class extending more then one class is called multiple inheritance. It can be achieved by using Interfaces. Class A Class B Class C
- 6. Interface Car { Int speed=60; Public void distanceTravelled(); } Interface Bus { Int distance=100; Public void spped(); } Public class Vehicle implements Car,Bus { Int avgdistance, avgspeed; Public void distanceTravelled() { Avgdistance=speed*distance; System.out.println(“Avg distance=“+avgdistance);
- 7. } Public void speed() { avgspeed=avgdistance/speed; System.out.println(“Avg speed=“+avgspeed); } Public class void main(String args[]) { Vehicle v=new Vehicle(); v.distanceTravelled(); v.speed(); } }
- 8. Avg distance= 250 Avg speed=80