sports.java

孙鑫JAVA从入门到精通配套练习程序。所有程序都实际运行过

interface Sports
{
	void run();
	void jump();
}

class Athlete implements Sports
{
	public void run()
	{
		System.out.println("short run");
	}
	
	public void jump()
	{
		System.out.println("three jump");
	}
}

class Test
{
	public static void main(String[] args)
	{
		Athlete an = new Athlete();
		an.run();
		an.jump();
	}
}