java補(bǔ)全代碼 代碼補(bǔ)全是什么

Java補(bǔ)全代碼

public?class?Manager?extends?Employee?{

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private?String?department;

public?String?getDepartment()?{

return?department;

}

public?void?setDepartment(String?department)?{

this.department?=?department;

}

public?Manager(String?name){

super(name);

}

public?Manager(String?name,String?department){

super(name);

this.department?=?department;

}

}

public?class?Main?{

public?static?void?main(String[]?args)?{

Scanner?sca?=?new?Scanner(System.in);

String?str?=?sca.next();

String?str1?=?sca.next();

Manager?m?=?new?Manager(str,?str1);

System.out.println("name:"+m.getName()+"?department:"+m.getDepartment());

}

}

如果Main類(lèi)中不想用getName()和getDepartment()的話(huà),需要在Manager中把name和department定義成public

java 補(bǔ)全代碼

樓主,依題意,完整的程序如下:

import java.awt.FlowLayout;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

public class Exam2 extends Thread implements ActionListener

{

//聲明界面元素

private JFrame timeFrame;

private JButton startButton;

private JButton stopButton;

private JButton resetButton;

private JLabel timeLabel;

//定義變量存儲(chǔ)時(shí)、分、秒

int hour = 0;

int minute = 0;

int second = 0;

//聲明線(xiàn)程對(duì)象

Thread myThread;

public Exam2()

{

timeFrame = new JFrame("計(jì)時(shí)器");

startButton = new JButton("開(kāi)始");

stopButton = new JButton("停止");

resetButton = new JButton("重置");

timeLabel = new JLabel("00:00:00");

timeFrame.setLayout(new FlowLayout());

timeFrame.setBounds((Toolkit.getDefaultToolkit().getScreenSize().width - 300)/2,

(Toolkit.getDefaultToolkit().getScreenSize().height - 200)/2, 300, 200);

timeFrame.add(timeLabel);

timeFrame.add(startButton);

timeFrame.add(stopButton);

timeFrame.add(resetButton);

timeFrame.setVisible(true);

timeFrame.addWindowListener(new WindowAdapter(){

public void windowClosing(WindowEvent e)

{

System.exit(0);

}

});

startButton.addActionListener(this);

stopButton.addActionListener(this);

resetButton.addActionListener(this);

myThread = this;

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource() == this.startButton)

{

System.out.println("計(jì)時(shí)開(kāi)始...");

if(this.start)

{

this.myThread.start();

}

else

{

this.start = true;

}

}

if(e.getSource() == this.stopButton)

{

System.out.println("計(jì)時(shí)停止...");

this.start = false;

}

if(e.getSource() == this.resetButton)

{

hour = 0;

minute = 0;

second = 0;

}

}

volatile boolean start = true;

@Override

public void run()

{

while(true)

{

if(this.start)

{

second++;

try

{

Thread.sleep(1000);

} catch (InterruptedException e)

{

e.printStackTrace();

}

if(second = 60)

{

second = 0;

minute++;

}

if(minute = 60)

{

minute = 0;

hour++;

}

showTime();

}

}

}

private void showTime()

{

String strTime = "";

if(hour 10)

{

strTime += "0"+hour + ":";

}

else

{

strTime += hour + ":";

}

if(minute 10)

{

strTime += "0"+minute + ":";

}

else

{

strTime += minute + ":";

}

if(second 10)

{

strTime += "0"+second;

}

else

{

strTime += second;

}

this.timeLabel.setText(strTime);

}

public static void main(String[] args)

{

new Exam2();

}

}

有問(wèn)題歡迎提問(wèn),滿(mǎn)意請(qǐng)采納,謝謝!

java 幫我補(bǔ)全

以下代碼僅供參考,用的是另外一種思路

import?java.text.SimpleDateFormat;

import?java.util.Calendar;

import?java.util.Date;

public?class?Main?{

public?static?void?main(String[]?args)?{

Calendar?c?=?Calendar.getInstance();

SimpleDateFormat?s?=?new?SimpleDateFormat("yyyy");

int?year?=?Integer.parseInt(s.format(new?Date()));

s?=?new?SimpleDateFormat("MM");

int?month?=?Integer.parseInt(s.format(new?Date()));

s?=?new?SimpleDateFormat("dd");

int?day?=?c.get(Calendar.DAY_OF_MONTH);

c.set(Calendar.YEAR,?year);

c.set(Calendar.MONTH,?month);

System.out.println(year?+?"年"?+?month?+?"月"?+?day?+?"日"?+?"\t"?+?"日歷如下:");

c?=?Calendar.getInstance();

int?currentMonth?=?-1;

c.set(year,?0,?1);

while?(c.get(Calendar.YEAR)?==?year)?{

/**

?*?判斷是否處于同一個(gè)月份

?*?若不是??則需要輸出表頭

?*?

?*/

if?(currentMonth?!=?c.get(Calendar.MONTH))?{

System.out.println("");

System.out.println("");

currentMonth?=?c.get(Calendar.MONTH);

System.out.println((currentMonth?+?1)?+?"月");

System.out.println("星期日\(chéng)t星期一\t星期二\t星期三\t星期四\t星期五\t星期六");

for?(int?i?=?1,?k?=?c.get(Calendar.DAY_OF_WEEK);?i??k;?i++)?{

System.out.print(String.format("%1$5s\t",?""));

}

}

System.out.print(String.format("%1$5d\t",?c.get(Calendar.DAY_OF_MONTH)));

/**

?*?日期+1

?*/

c.add(Calendar.DAY_OF_YEAR,?1);

/**

?*?當(dāng)日期是星期天并且不是一個(gè)月的最后一天時(shí)???輸出換行

?*/

if?(c.get(Calendar.DAY_OF_WEEK)?==?1??currentMonth?==?c.get(Calendar.MONTH))?{

System.out.println("");

}

}

}

}

Java非運(yùn)行時(shí)異常的處理 求大神補(bǔ)全代碼

public?class?FileReaderDemo?{

public?static?void?main(String[]?args)?{

try?{

//創(chuàng)建要讀取的數(shù)據(jù)文件的文件對(duì)象?file

File?file?=?new?File("d:\\data.txt");

//創(chuàng)建要讀取數(shù)據(jù)的輸入流

FileReader?fileReader?=?new?FileReader(file);

//從輸入流中讀取一個(gè)字符;

int?c?=?fileReader.read();

//判斷是否讀取到文件結(jié)束,如果讀取到文件的最后會(huì)返回-1

while?(c!=-1)?{

//輸出讀取的這個(gè)字符

System.out.println((char)c);

//再讀取下一個(gè)字符

c?=?fileReader.read();

}

//所有讀取完畢后,關(guān)閉fileReader對(duì)象,要求不管前面是否拋出異常,

//都必須要執(zhí)行關(guān)閉操作。

fileReader.close();

}?catch(Exception?e)?{

e.printStackTrace();

}

}

}

怎樣設(shè)置Eclipse的java自動(dòng)補(bǔ)全

步驟

第一步:打開(kāi)eclipse,隨便開(kāi)一個(gè)java文件。

第二步:在代碼中右鍵,選擇Preferences。

第三步:再Preferences里選擇java

第四步:再選擇Editor,再選擇Content Assist

第五步:再在所圈出的地方設(shè)置時(shí)間(200)和字母(.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz),而后點(diǎn)擊ok即可。

新聞標(biāo)題:java補(bǔ)全代碼 代碼補(bǔ)全是什么
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