java多线程
package a;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Copy extends JFrame implements ActionListener,Runnable
{
int value;
JProgressBar progressBar1,progressBar;
JButton button1,button2;
Label label;
Thread thread;
public Copy()
{
super("文件复制进度条演示");
this.setSize(700,400);
this.setLocationRelativeTo(null);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setLayout(new GridLayout(4,3));
JPanel cmdpanel1=new JPanel();
JPanel cmdpanel2=new JPanel();
this.add(cmdpanel1);
this.add(cmdpanel2);
cmdpanel1.add(this.button1=new JButton("复制文件"));
cmdpanel1.add(this.button2=new JButton("取消"));
this.button2.setEnabled(false);
this.button1.addActionListener(this);
this.button2.addActionListener(this);
cmdpanel2.add(this.label=new Label(" "));
this.label.setVisible(true);
this.add(this.progressBar = new JProgressBar());
progressBar.setForeground(Color.blue);
progressBar.setStringPainted(true);
progressBar.setValue(0);
this.thread=new Thread(this);
this.setVisible(true);
}
public void actionPerformed(ActionEvent event)
{
if(event.getSource()==this.button1)
{
this.thread.start();
this.button1.setEnabled(false);
this.button2.setEnabled(true);
this.label.setVisible(true);
}
if(event.getSource()==this.button2)
{
this.thread.interrupt();
this.label.setText("文本复制已完成0%");
updateProgressBar(0);
this.button1.setEnabled(true);
this.button2.setEnabled(false);
}
}
public void run()
{
while(true)
{
try
{
value=progressBar.getValue()+1;
this.label.setText("文本复制已完成"+progressBar.getValue()+"%");
Thread.sleep(10);
updateProgressBar(value);
if(progressBar.getValue()==100)
{
this.label.setText("文件复制已完成！");
break;
}
}
catch(InterruptedException ex)
{
break;
}
}
}
private void updateProgressBar(int value)
{
progressBar.setValue(value);
}
public static void main(String[] args)
{
new Copy();
}
}
package a;
public class Bank
{
Depositor account;
public void put(Depositor account,double value)
{
this.account=account;
if(value>0)
this.account.put(this.account,value);
}
public static void main(String[] args)
{
Depositor W=new Depositor("Wang");
Depositor L=new Depositor("Li");
Depositor Z=new Depositor("Zhang");
(new SaveThread(W,L,100)).start();
(new SaveThread(L,L,100)).start();
(new SaveThread(Z,L,100)).start();
}
}
package a;
public class Depositor
{
String name;
double balance;
Depositor account;
Depositor(String name)
{
this.name=name;
this.balance=0;
}
public void put(Depositor account,double value)
{
this.account=account;
this.account.balance+=value;
System.out.println("存入"+value+",余额"+this.account.balance());
this.account.balance+=value;
System.out.println("存入"+value+",余额"+this.account.balance());
this.account.balance+=value;
System.out.println("存入"+value+",余额"+this.account.balance());
}
public String getName()
{
return this.name;
}
public double balance()
{
return this.balance;
}
}
package a;
public class SaveThread extends Thread
{
private Depositor account1,account2;
Bank bank=new Bank();
private double value;
public SaveThread(Depositor account1,Depositor account2,double value)
{
this.account1=account1;
this.account2=account2;
this.value=value;
}
public void run()
{
synchronized(this.account2)
{
try
{
Thread.sleep(1);
}
catch(InterruptedException ex) {}
System.out.println(this.account1.getName()+"账户:向"+this.account2.getName()+"账户存款");
bank.put(this.account2,this.value);
}
}
}
