leakserver.java

高质量Java程序设计 源代码

package net.betterjava.memory.leak;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.*;

class LeakServer extends Thread {
	private ObjectOutputStream out;
	private int counter = 0;

	LeakServer(int port) {
		try {
			ServerSocket socket = new ServerSocket(port);
			out = new ObjectOutputStream(socket.accept().getOutputStream());
		} catch (IOException e) {
			e.printStackTrace(System.out);
		}
	}

	public void run() {
		DataPackage dp = null;
		int i = 0;
		while (true) {
			dp = new DataPackage();
			System.out.println(String.valueOf(counter) + ":" + dp);
			counter++;
			try {
				out.writeObject(dp);
				out.flush();
			} catch (IOException e) {
				e.printStackTrace(System.out);
				System.exit(1);
			}
		}
	}

	public static void main(String[] args) {
		LeakServer server = new LeakServer(8888);
		server.start();

		ArrayList list = new ArrayList();
		for (int i = 0; i < list.size(); i++) {
			Object obj = list.get(i);
		}
	}
}