我来自JavaScript,其中回调非常简单.我试图将它们实现到JAVA中,但没有成功.
我有一个Parent类:
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class Server {
ExecutorService workers = Executors.newFixedThreadPool(10);
private ServerConnections serverConnectionHandler;
public Server(int _address) {
System.out.println("Starting Server...");
serverConnectionHandler = new ServerConnections(_address);
serverConnectionHandler.newConnection = function(Socket _socket) {
System.out.println("A function of my child class was called.");
};
workers.execute(serverConnectionHandler);
System.out.println("Do something else...");
}
}
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然后我有一个从父级调用的子类:
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.logging.Level;
import java.util.logging.Logger;
public class ServerConnections implements Runnable {
private int serverPort;
private ServerSocket mainSocket;
public ServerConnections(int _serverPort) {
serverPort = _serverPort;
} …Run Code Online (Sandbox Code Playgroud) 我有以下代码:
renderThread = new Thread(new Runnable() {
@Override
public void run() {
for (int i = 0; i < 10000000; i++) {
System.out.println("Number: " + i);
}
}
});
renderThread.start();
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
renderThread.interrupt(); //It should stop, but it does not stop.
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renderThread.interrupt()不会中断线程,它会继续运行.如果我更换renderThread.interrupt()用.stop(),那么线程停止.但是,.stop()已弃用.那么,什么是停止线程的正确方法,如果stop被弃用并且interrupt不起作用?
我用Java编写了一个WebSocket帧解码器:
private byte[] decodeFrame(byte[] _rawIn) {
int maskIndex = 2;
byte[] maskBytes = new byte[4];
if ((_rawIn[1] & (byte) 127) == 126) {
maskIndex = 4;
} else if ((_rawIn[1] & (byte) 127) == 127) {
maskIndex = 10;
}
System.arraycopy(_rawIn, maskIndex, maskBytes, 0, 4);
byte[] message = new byte[_rawIn.length - maskIndex - 4];
for (int i = maskIndex + 4; i < _rawIn.length; i++) {
message[i - maskIndex - 4] = (byte) (_rawIn[i] ^ maskBytes[(i - maskIndex - 4) …Run Code Online (Sandbox Code Playgroud)