package html;import java.util.LinkedList;import java.util.List;public class KF {    public static void main(String[] args) {        BlockList list = new BlockList(10);        new Thread(new Productor(list)).start();        new Thread(new Consumer(list)).start();    }    static class Productor implements Runnable {        BlockList list;        public Productor(BlockList list) {            this.list = list;        }        @Override        public void run() {            int i = 0;            while (true) {                System.err.println("put:" + i);                list.put(i++);            }        }    }    static class Consumer implements Runnable {        BlockList list;        public Consumer(BlockList list) {            this.list = list;        }        @Override        public void run() {            while (true) {                Object obj = list.get();                System.err.println("get:" + obj);            }        }    }}class BlockList {    List