Example of Using Interface

interface_test.java

import java.io.*;

interface StartStop
{
	public abstract void start();
	public abstract void stop();
}

class Car implements StartStop
{
	@Override
	public void start()
	{
		System.out.println("Car start");
	}
	@Override
	public void stop()
	{
		System.out.println("Car stop");
	}
}

class Bike implements StartStop
{
	@Override
	public void start()
	{
		System.out.println("Bike start");
	}
	@Override
	public void stop()
	{
		System.out.println("Bike stop");
	}
}

public class test2
{
	public static void main(String args[])
	{
		StartStop c = new Car();
		StartStop b = new Bike();
		c.start();
		b.start();
		c.stop();
		b.stop();
	}
}