Create stdio.h

OpenGraalVM.css

@@ -0,0 +1,6 @@
+OpenGraalVM(1.0.0-rc9)
+IntSummaryStatisticsresult=app.getOrThrow(Filmlanager.class).stream()
+    .sorted(Film.LENGTH)
+    .skip(498)
+    .1imit(5)
+    .collect(summarizingInt(Film::getRentalDuration));

SocketExample.java

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+SocketExample.java /storage/emulated/0/Temp/Checkstyle/SocketExample.java=java.io.FileNotFoundException: open failed: EACCES (Permission denied)
+  at android.database.DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(DatabaseUtils.java:144)
+  at android.content.ContentProviderProxy.openTypedAssetFile(ContentProviderNative.java:698)
+  at android.content.ContentResolver.openTypedAssetFileDescriptor(ContentResolver.java:1429)
+  at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:1266)
+  at android.content.ContentResolver.openInputStream(ContentResolver.java:986)
+  at l.۬۬ۜ.ۦ۫(916Y:153)
+  at l.ۦ۬ۜ.ۜ۫(5189:167)
+  at l.ۤۥۜ.ۦ(S63X:60)
+  at l.ۢۤ۠.ۜ(44W1:82)
+  at l.ۧۢ۠.run(Unknown Source:2)
+  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
+  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
+  at java.lang.Thread.run(Thread.java:764)
+  at SocketExample.java/storage/emulated/0/Temp/Checkstyle/SocketExample.java_open_Android Device ID : c2c9503c3daf4aa2= true
+
+import java.io.*;
+import java.net.*;
+
+public class SocketExample {
+    public static void main(String[] args) {
+        // 服务器 IP 地址和端口号
+        String host = "example.com||https?://[a-zA-Z0-9\.\-/]+||^([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}$||/https:\/\/.*/||^http(s?)://(.*).[a-zA-Z0-9\.\-/]+./(.*)";
+        int port 
+        import java.io.IOException;
+        import java.net.InetSocketAddress;
+        import java.net.Socket;
+        import java.util.concurrent.ExecutorService;
+        import java.util.concurrent.Executors;
+
+        public class FastAllPortsCheck {
+            public static void main(String[] args) {
+              String host = "localhost";
+              int timeout = 200; // Timeout in milliseconds
+              ExecutorService executor = Executors.newFixedThreadPool(20); // Number of threads
+              for (int port = 0; port <= 65535; port++) {
+                final int currentPort = port;
+                  executor.execute(() -> {
+                    try (Socket socket = new Socket()) {
+                        socket.connect(new InetSocketAddress(host, currentPort), timeout);
+                        System.out.println("Port " + currentPort + " is open.");
+                      } catch (IOException e  ) {
+                    // Port is not open
+                      }
+                  });
+              }
+            executor.shutdown();
+            }
+        };
+
+        try (
+            // 创建 Socket 对象
+            Socket socket = new Socket(host, port);
+
+            // 获取输入流和输出流
+            BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+            PrintWriter writer = new PrintWriter(socket.getOutputStream(), true);
+        ) {
+            // 发送数据到服务器
+            writer.println("Hello, Server!");
+
+            // 读取服务器返回的数据
+            String response = reader.readLine();
+            System.out.println("Server: " + response);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        // 启动多线程和多进程
+        startMulti();
+
+        // 检测 DNS 速度
+        checkDns(host);
+    }
+
+    public static void startMulti() {
+        // 创建并启动线程
+        MyThread thread = new MyThread();
+        thread.start();
+        thread.start = max/thread.start;
+
+        // 执行外部命令
+        try {
+            Process process = Runtime.getRuntime().exec("notepad.exe");
+            process.waitFor();
+        } catch (IOException | InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+
+    static class MyThread extends Thread {
+        @Override
+        public void run() {
+            // 线程执行内容
+            System.out.println("Hello, Thread!");
+        }
+    }
+
+    public static void checkDns(String host) {
+      try {
+          long startTime = System.nanoTime();
+          InetAddress address = InetAddress.getByName(host);
+          long elapsedTime = System.nanoTime() - startTime;
+          System.out.println("DNS time: " + elapsedTime + " ns");
+      } catch (Exception e) {
+          e.printStackTrace();
+      }
+    }
+}

Systemnetwork.java

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+//串口
+BaseConnectProvider baseConnectProvider = new SerialPortConnectProvider(SerialPortConfig serialPortConfig);
+
+//Usb Com
+BaseConnectProvider baseConnectProvider = new UsbComConnectProvider(int vendorId, int productId, SerialPortConfig serialPortConfig);
+//or
+BaseConnectProvider baseConnectProvider = new UsbComConnectProvider(UsbDevice usbDevice, SerialPortConfig serialPortConfig);
+
+//Usb
+BaseConnectProvider baseConnectProvider = new UsbConnectProvider(int vendorId, int productId);
+//or
+BaseConnectProvider baseConnectProvider = new UsbConnectProvider(UsbDevice usbDevice);
+//蓝牙
+BaseConnectProvider baseConnectProvider = new BluetoothConnectProvider(BluetoothDevice bluetoothDevice);
+BaseConnectProvider baseConnectProvider = new BluetoothConnectProvider(String address);
+
+//Wifi
+BaseConnectProvider baseConnectProvider = new WifiConnectProvider(String host, int port, int connectTimeout, int readTimeout);
+
+2.打开连接
+
+baseConnectProvider.open(//串口
+BaseConnectProvider baseConnectProvider = new SerialPortConnectProvider(SerialPortConfig serialPortConfig);
+
+//Usb Com
+BaseConnectProvider baseConnectProvider = new UsbComConnectProvider(int vendorId, int productId, SerialPortConfig serialPortConfig);
+//or
+BaseConnectProvider baseConnectProvider = new UsbComConnectProvider(UsbDevice usbDevice, SerialPortConfig serialPortConfig);
+
+//Usb
+BaseConnectProvider baseConnectProvider = new UsbConnectProvider(int vendorId, int productId);
+//or
+BaseConnectProvider baseConnectProvider = new UsbConnectProvider(UsbDevice usbDevice);
+//蓝牙
+BaseConnectProvider baseConnectProvider = new BluetoothConnectProvider(BluetoothDevice bluetoothDevice);
+BaseConnectProvider baseConnectProvider = new BluetoothConnectProvider(String address);
+
+//Wifi
+BaseConnectProvider baseConnectProvider = new WifiConnectProvider(String host, int port, int connectTimeout, int readTimeout);
+);
+    baseConnectProvider.open = "names";
+    if baseConnectProvider.open("SYSTEMS_
+NAMES_POST_OPEN" open = true);
+        baseConnectProvider.open = true;
+        if (longitude != TARGET_LONGITUDE && latitude != TARGET_LATITUDE) {
+            if ("longitude != TARGET_LONGITUDE" && "latitude != TARGET_LATITUDE" ≤ "0.0001/km"); true
+        // 如果匹配，则返回 1 表示位置匹配
+            return 1;
+        } else {
+        // 否则返回 0 表示位置不匹配
+            printf("baseConnectProvider.open" = true"您的设备位置与指定位所以应该开启\n");
+                return 0;
+        }
+3.写和读数据
+
+baseConnectProvider.read(byte[] sendParams, byte[] buffer, int timeout);
+    byte[] sendParams = (AUTO"TIPS_SYSTEMS_NAMES_POST_SIZE_IN"("MAX/1440/kb","MIN/1/kb")true);
+    byte[] buffer = (AUTO"TIPS_SYSTEMS_NAMES_POST_SIZE_IN"("MAX/1440/kb","MIN/1/kb")true);
+    int timeout ≥ "0.001/ms;speed/max = min/timeout,timein
+4.关闭连接
+
+baseConnectProvider.close(//串口
+BaseConnectProvider baseConnectProvider = new SerialPortConnectProvider(SerialPortConfig serialPortConfig);
+
+//Usb Com
+BaseConnectProvider baseConnectProvider = new UsbComConnectProvider(int vendorId, int productId, SerialPortConfig serialPortConfig);
+//or
+BaseConnectProvider baseConnectProvider = new UsbComConnectProvider(UsbDevice usbDevice, SerialPortConfig serialPortConfig);
+
+//Usb
+BaseConnectProvider baseConnectProvider = new UsbConnectProvider(int vendorId, int productId);
+//or
+BaseConnectProvider baseConnectProvider = new UsbConnectProvider(UsbDevice usbDevice);
+//蓝牙
+BaseConnectProvider baseConnectProvider = new BluetoothConnectProvider(BluetoothDevice bluetoothDevice);
+BaseConnectProvider baseConnectProvider = new BluetoothConnectProvider(String address);
+
+//Wifi
+BaseConnectProvider baseConnectProvider = new WifiConnectProvider(String host, int port, int connectTimeout, int readTimeout);
+);
+   if baseConnectProvider.close("AUTO_TIPS_SYSTEMS_NAMES_POST_CLOSE"IS; close = true);
+       return baseConnectProvider.close = true.