testface.java

JAVA程序设计课程中各章节的程序实例。

//Interface
interface callback
{
	void callback(int param);
}

class client implements callback {

public void callback(int p) {

System.out.println("Callback called with " + p) ;

}

}

class testface {

	public static void main(String args[]) {

		callback c = new client();

		c.callback(42);

	}

}