testiface.java

来自「使用Swing编写的记事本」· Java 代码 · 共 21 行

interface Callback{
	void callback(int param);
}

class Client implements Callback{
	public void callback(int p){
		System.out.println("callback called with"+p);
	}
	void nonIfaceMeth(){
		System.out.println("Classes that implement interfaces "+"may also define other members,too.");
	}
}

class TestIface{
	public static void main(String args[]){
		Callback c=new Client();
		c.callback(42); 
	}
}

class