生產者和消費者
package com.java.baidu;
public class Creater implements Runnable{
private Product product;
public Creater(Product product){
this.product=product;
}
@Override
public void run() {
while(true){
synchronized(product){
if(product.getNum()==0){
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("生產者生產一件產品");
}
product.setNum(1);
try {
product.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}package com.java.baidu;
public class Consumer implements Runnable{
private Product product;
public Consumer(Product product){
this.product=product;
}
@Override
public void run() {
while(true){
synchronized(product){
if(product.getNum()!=0){
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("消費了一件產品");
}
product.setNum(0);
product.notify();
}
}
}
}package com.java.baidu;
public class Product {
private int num=0;
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
}package com.java.baidu;
public class Test {
public static void main(String[] args) {
Product product=new Product();
Thread t1=new Thread(new Creater(product));
Thread t2=new Thread(new Consumer(product));
t1.start();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
t2.start();
}
}
基於TCP的服務端與客戶端
package com.java.test;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import com.java.test.MyServerRead;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.awt.event.ActionEvent;
import javax.swing.JTextArea;
import javax.swing.JList;
public class StartServer extends JFrame {
private JPanel contentPane;
private JTextArea textArea;
private Socket socket;
public boolean isRunning=true;
private JButton button;
public boolean isRunning() {
return isRunning;
}
public void setRunning(boolean isRunning) {
this.isRunning = isRunning;
}
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
StartServer frame = new StartServer();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public StartServer() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JButton btnNewButton = new JButton("發送");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
write();
}
});
btnNewButton.setBounds(283, 189, 127, 52);
contentPane.add(btnNewButton);
textArea = new JTextArea();
textArea.setBounds(10, 189, 250, 52);
contentPane.add(textArea);
button = new JButton("啓動服務器");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
ServerSocket server = new ServerSocket(8080);
System.out.println("服務器啓動");
socket = server.accept();
Thread t=new Thread(new MyServerRead(StartServer.this));
t.start();
System.out.println("有客戶端連接");
} catch (IOException e1) {
e1.printStackTrace();
}
}
});
button.setBounds(0, 10, 225, 69);
contentPane.add(button);
}
public void read() {
try {
InputStream is = socket.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String line = br.readLine();
System.out.println("服務器接收到的消息："+line);
} catch (IOException e) {
e.printStackTrace();
}
}
public void write(){
try {
OutputStream os=socket.getOutputStream();
BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(os));
String words=textArea.getText();
System.out.println("服務器發送信息");
bw.write("服務器說： "+words+"\n");
textArea.setText("");
bw.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
}package com.java.test;
import java.awt.EventQueue;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import javax.swing.DefaultListModel;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextArea;
import javax.swing.JList;
public class MyClient extends JFrame {
private JPanel contentPane;
private Socket socket;
private JTextArea textArea;
private JList list;
DefaultListModel<String> model;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
MyClient frame = new MyClient();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public MyClient() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JButton btnNewButton = new JButton("發送");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
write();
}
});
btnNewButton.setBounds(305, 200, 99, 36);
contentPane.add(btnNewButton);
JButton btnNewButton_1 = new JButton("連接服務器");
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
System.out.println("連接服務器");
socket =new Socket("192.168.0.85",8080);
System.out.println("服務器連接成功");
Thread t=new Thread(new MyClientRead(MyClient.this));
t.start();
} catch (UnknownHostException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
}
}
});
btnNewButton_1.setBounds(264, 68, 160, 60);
contentPane.add(btnNewButton_1);
textArea = new JTextArea();
textArea.setBounds(10, 207, 228, 45);
contentPane.add(textArea);
list = new JList();
list.setBounds(10, 22, 228, 173);
model=new DefaultListModel<>();
list.setModel(model);
contentPane.add(list);
}
public void read() {
try {
InputStream is = socket.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String line = br.readLine();
model.addElement(line);
System.out.println(line);
} catch (IOException e) {
e.printStackTrace();
}
}
public void write(){
try {
OutputStream os=socket.getOutputStream();
BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(os));
String words=textArea.getText();
bw.write(words+"\n");
model.addElement("客戶端說: "+words);
textArea.setText("");
bw.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
}
package com.java.test;
public class MyClientRead implements Runnable {
private MyClient client;
public MyClientRead(MyClient client){
this.client=client;
}
@Override
public void run() {
while(true){
client.read();
}
}
}package com.java.test;
public class MyServerRead implements Runnable{
private StartServer startServer;
public MyServerRead(StartServer startServer){
this.startServer=startServer;
}
@Override
public void run() {
while(startServer.isRunning){
startServer.read();
}
}
}
