testface.java

来自「JAVA程序设计课程中各章节的程序实例。」· Java 代码 · 共 30 行

//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);

	}

}