java - 覆盖函数中的抽象

Question

我想向 send() 添加一个额外的参数

在 DumpSequence.java 中:

private static Receiver sm_receiver = new DumpReceiver(System.out, true);

sm_receiver.send(message, lTicks); (Work)
sm_receiver.send(message, lTicks, addParam1); (Won't work)

DumnpReceiver.java 我尝试添加额外的参数，即 lTimeStamp2:

public void send(MidiMessage message, long lTimeStamp, long lTimeStamp2) {...}

错误:

DumpSequence.java:136: send(javax.sound.midi.MidiMessage,long) in javax.sound.mi
di.Receiver cannot be applied to (javax.sound.midi.MidiMessage,long,long)
                sm_receiver.send(message, lTicks, lTicks);
                           ^
.\DumpReceiver.java:21: DumpReceiver is not abstract and does not override abstr
act method send(javax.sound.midi.MidiMessage,long) in javax.sound.midi.Receiver
public class DumpReceiver
       ^
2 errors

Answer 1

从第 21 行删除 @Override 注释