1.一个容器，两个线程，程一往线程加东西。程二等待，等加到5个时阻塞成一，
2.两个消费线程，十个生产线程，容器里最多不超过十个。
public class Container4 {
public Listlist =new ArrayList();
public int size (){
return list.size();
}
public void add(Object o){
list.add(o);
}
public static void main(String[] args)throws IOException {
Container4 c4 =new Container4();
Object lock =new Object();
Thread t =new Thread();
ServerSocket server =new ServerSocket();
Socket accept = server.accept();
new Thread(()->{
synchronized (lock){
if (c4.size()!=5){
try {
lock.wait();
}catch (InterruptedException e) {
e.printStackTrace();
}
}
System.out.println("Thread2执行完毕");
lock.notify();
}
},"thread2").start();
new Thread(()->{
synchronized (lock){
for (int i =0;i<10;i++){
c4.add(new Object());
System.out.println("add"+i);
if (c4.size()==5) {
lock.notify();
try {
lock.wait();
}catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}).start();
}
}
public class Continer5 {
public Listlist =new ArrayList();
public int size (){
return list.size();
}
public void add(Object o){
list.add(o);
}
public static void main(String[] args)throws IOException {
Continer5 c4 =new Continer5();
CountDownLatch latch =new CountDownLatch(1);
new Thread(()->{
if (c4.size()!=5){
try {
latch.await();
}catch (InterruptedException e) {
e.printStackTrace();
}
}
System.out.println("Thread2执行完毕");
},"thread2").start();
new Thread(()->{
for (int i =0;i<10;i++){
c4.add(new Object());
System.out.println("add"+i);
if (c4.size()==5) {
latch.countDown();
}
}
}).start();
}
}
public class Continer6 {
public LinkedListlist =new LinkedList();
int max =10;
int count =0;
public int size (){
return list.size();
}
synchronized void put(Object o)throws InterruptedException {
while (list.size()==max){
this.wait();
}
list.add(o);
++count;
this.notifyAll();
}
synchronized Object get()throws InterruptedException {
while (list.size()==0){
this.wait();
}
Object o =list.removeFirst();
--count;
return o;
}
public static void main(String[] args)throws InterruptedException {
Continer6 continer6 =new Continer6();
for(int i=0;i<100;i++){
new Thread(()->{
try {
System.out.println(continer6.get());
}catch (InterruptedException e) {
e.printStackTrace();
}
},"c"+i).start();
}
TimeUnit.SECONDS.sleep(2);
}
}