Interface inheritance in Java

iNewCustomer.java

interface iNewCustomer
{
void registration();
}

iOnlineCustomer.java

interface iOnlineCustomer extends iNewCustomer
{
void paymentMode();
}

online.java

class online implements iOnlineCustomer
{

public void registration()
{
System.out.println("Online customer can register by email");
}

public void paymentMode()
{

System.out.println("Online customer can make payment by internet banking");

}

public static void main(String args[])
{

online obj = new online();

obj.registration();
obj.paymentMode();

}

}

Output