第Java實現(xiàn)新建有返回值的線程的示例詳解privatestaticfinallongserialVersionUID=2671056183299397274L;

privateJPanelcontentPane;

privateJTextAreathread1TextArea;

privateJTextAreathread2TextArea;

privateJTextAreathread3TextArea;

*Launchtheapplication.

publicstaticvoidmain(String[]args){

try{

UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");

}catch(Throwablee){

e.printStackTrace();

EventQueue.invokeLater(newRunnable(){

publicvoidrun(){

try{

SynchronizedBankFrameframe=newSynchronizedBankFrame();

frame.setVisible(true);

}catch(Exceptione){

e.printStackTrace();

*Createtheframe.

publicSynchronizedBankFrame(){

setTitle("新建有返回值的線程");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setBounds(100,100,450,300);

contentPane=newJPanel();

contentPane.setBorder(newEmptyBorder(5,5,5,5));

setContentPane(contentPane);

contentPane.setLayout(newBorderLayout(0,0));

JPanelbuttonPanel=newJPanel();

contentPane.add(buttonPanel,BorderLayout.SOUTH);

JButtonstartButton=newJButton("開始存錢");

startButton.setFont(newFont("微軟雅黑",Font.PLAIN,16));

startButton.addActionListener(newActionListener(){

publicvoidactionPerformed(ActionEventarg0){

do_button_actionPerformed(arg0);

buttonPanel.add(startButton);

JPanelprocessPanel=newJPanel();

contentPane.add(processPanel,BorderLayout.CENTER);

processPanel.setLayout(newGridLayout(0,3,5,5));

JPanelthread1Panel=newJPanel();

processPanel.add(thread1Panel);

thread1Panel.setLayout(newBorderLayout(0,0));

JLabelthread1Label=newJLabel("一號線程");

thread1Label.setFont(newFont("微軟雅黑",Font.PLAIN,16));

thread1Label.setHorizontalAlignment(SwingConstants.CENTER);

thread1Panel.add(thread1Label,BorderLayout.NORTH);

JScrollPanethread1ScrollPane=newJScrollPane();

thread1Panel.add(thread1ScrollPane,BorderLayout.CENTER);

thread1TextArea=newJTextArea();

thread1TextArea.setFont(newFont("微軟雅黑",Font.PLAIN,16));

thread1ScrollPane.setViewportView(thread1TextArea);

JPanelthread2Panel=newJPanel();

processPanel.add(thread2Panel);

thread2Panel.setLayout(newBorderLayout(0,0));

JLabelthread2Label=newJLabel("二號線程");

thread2Label.setFont(newFont("微軟雅黑",Font.PLAIN,16));

thread2Label.setHorizontalAlignment(SwingConstants.CENTER);

thread2Panel.add(thread2Label,BorderLayout.NORTH);

JScrollPanethread2ScrollPane=newJScrollPane();

thread2Panel.add(thread2ScrollPane,BorderLayout.CENTER);

thread2TextArea=newJTextArea();

thread2TextArea.setFont(newFont("微軟雅黑",Font.PLAIN,16));

thread2ScrollPane.setViewportView(thread2TextArea);

JPanelthread3Panel=newJPanel();

processPanel.add(thread3Panel);

thread3Panel.setLayout(newBorderLayout(0,0));

JLabelthread3Label=newJLabel("三號線程");

thread3Label.setFont(newFont("微軟雅黑",Font.PLAIN,16));

thread3Label.setHorizontalAlignment(SwingConstants.CENTER);

thread3Panel.add(thread3Label,BorderLayout.NORTH);

JScrollPanethread3ScrollPane=newJScrollPane();

thread3Panel.add(thread3ScrollPane,BorderLayout.CENTER);

thread3TextArea=newJTextArea();

thread3TextArea.setFont(newFont("微軟雅黑",Font.PLAIN,16));

thread3ScrollPane.setViewportView(thread3TextArea);

protectedvoiddo_button_actionPerformed(ActionEventarg0){

Bankbank=newBank();

Transfertransfer1=newTransfer(bank,thread1TextArea);//創(chuàng)建Transfer對象

Transfertransfer2=newTransfer(bank,thread2TextArea);//創(chuàng)建Transfer對象

FutureTaskIntegertask1=newFutureTaskInteger(transfer1);//創(chuàng)建FutureTask對象

FutureTaskIntegertask2=newFutureTaskInteger(transfer2);//創(chuàng)建FutureTask對象

Threadthread1=newThread(task1);//創(chuàng)建一號線程

Threadthread2=newThread(task2);//創(chuàng)建二號線程

thread1.start();//運行一號線程

thread2.start();//運行二號線程

try{

intthread1Result=task1.get();//獲得一號線程的計算結果

intthread2Result=task2.get();//獲得二號線程的計算結果

thread3TextArea.setText(thread3TextArea.getText()+"一號計算結果是："+thread1Result+"\n");//更新三號線程文本域信息

thread3TextArea.setText(thread3TextArea.getText()+"二號計算結果是："+thread2Result+"\n");//更新三號線程文本域信息

thread3TextArea.setText(thread3TextArea.getText()+"實際的金額是："+(thread1Result+thread2Result-100)+"\n");//更新三號線程文本域信息

}catch(InterruptedExceptione){

e.printStackTrace();

}catch(ExecutionExceptione){

e.printStackTrace();

}

Bank

publicclassBank{

privatestaticThreadLocalIntegeraccount=newThreadLocalInteger(){

@Override

protectedIntegerinitialValue(){

return100;

publicvoiddeposit(intmoney){

account.set(account.get()+money);

publicintgetAccount(){

returnaccount.get();

}

Transfer

packagecom.xiaoxuzhu;

importjava.util.concurrent.Callable;

importjavax.swing.JTextArea;

*Description:

*@authorxiaoxuzhu

*@version1.0

*pre

*修改記錄:

*修改后版本修改人修改日期修改內(nèi)容

*2025/5/14.1xiaoxuzhu2025/5/14Create

*/pre

*@date2025/5/14

publicclassTransferimplementsCallableInteger{

privateBankbank;

privateJTextAreatextArea;

publicTransfer(Bankbank,JTextAreatextArea){//利用構造方法初始化變量

this.bank=bank;

this.textArea=textArea;

publicIntegercall