Java でネットワーク パフォーマンスを最適化し、効率を向上させるにはどうすればよいですか?

import java.nio.channels.AsynchronousSocketChannel;
import java.net.InetSocketAddress;
import java.util.concurrent.Future;

public class NonBlockingClient {

    public static void main(String[] args) throws Exception {
        AsynchronousSocketChannel client = AsynchronousSocketChannel.open();
        Future<Void> future = client.connect(new InetSocketAddress("localhost", 8080));
        future.get();  // 等待连接建立

        // 发送数据并接收响应
        ...

        client.close();
    }
}

import java.net.Socket;

public class BufferSizeTuning {

    public static void main(String[] args) throws Exception {
        Socket socket = new Socket("localhost", 8080);

        // 设置接收缓冲区大小为 16KB
        socket.setReceiveBufferSize(16 * 1024);

        // 设置发送缓冲区大小为 32KB
        socket.setSendBufferSize(32 * 1024);
    }
}

import javax.sql.ConnectionPoolDataSource;
import javax.sql.PooledConnection;

public class ConnectionPooling {

    public static void main(String[] args) throws Exception {
        ConnectionPoolDataSource dataSource = ...;

        // 从连接池获取连接
        PooledConnection connection = dataSource.getPooledConnection();

        // 使用连接
        ...

        // 将连接归还给连接池
        connection.close();
    }
}

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;
import java.util.zip.GZIPInputStream;

public class DataCompression {

    public static void main(String[] args) throws IOException {
        // 压缩数据
        ByteArrayOutputStream compressedBytes = new ByteArrayOutputStream();
        try (GZIPOutputStream gzip = new GZIPOutputStream(compressedBytes)) {
            gzip.write("Hello, world!".getBytes());
        }

        // 解压缩数据
        ByteArrayInputStream compressedStream = new ByteArrayInputStream(compressedBytes.toByteArray());
        try (GZIPInputStream gzip = new GZIPInputStream(compressedStream)) {
            byte[] decompressedBytes = new byte[1024];
            int count = gzip.read(decompressedBytes);
            String decompressedString = new String(decompressedBytes, 0, count);
        }
    }
}