演示圖
演示圖
CalendarApp.java
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package calenda; import java.awt.BorderLayout;import java.awt.Color;import java.awt.FlowLayout;import java.awt.Font;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.io.File;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import java.util.Locale; import javax.swing.JApplet;import javax.swing.JButton;import javax.swing.JComboBox;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.SwingUtilities;import javax.swing.border.TitledBorder; public class CalendarApp extends JFrame{ private CalendarPanel calendarPanel=new CalendarPanel(); private static JLabel jlblLearn=new JLabel("開(kāi)始準(zhǔn)備記單詞"); private String versionID="歡迎使用版本1.0.20150427"; private JLabel jlblVersionID=new JLabel(versionID); private JButton jbtPrior=new JButton("←"); private JButton jbtNext=new JButton("→"); private JButton jbtDiary=new JButton("寫(xiě)日記"); private JButton jbtScanDiary=new JButton("看日記"); private static int year; public void init() { year=calendarPanel.getYear(); calendarPanel.setBackground(Color.WHITE); /** * 添加功能性按鈕到日歷面板下方 */ JPanel jpButtons=new JPanel(new FlowLayout()); //設(shè)置按鈕背景色為白色 jbtPrior.setBackground(Color.WHITE); jbtNext.setBackground(Color.WHITE); jbtDiary.setBackground(Color.WHITE); jbtScanDiary.setBackground(Color.WHITE); /* * 給四個(gè)按鈕添加鼠標(biāo)事件，使其更加炫酷 */ //一、后退按鈕 jbtPrior.addMouseListener(new MouseListener(){ @Override public void mouseClicked(MouseEvent arg0) { // TODO Auto-generated method stub } @Override public void mouseEntered(MouseEvent arg0) { // TODO Auto-generated method stub jbtPrior.setForeground(Color.GREEN); } @Override public void mouseExited(MouseEvent arg0) { // TODO Auto-generated method stub jbtPrior.setForeground(Color.BLACK); } @Override public void mousePressed(MouseEvent arg0) { // TODO Auto-generated method stub } @Override public void mouseReleased(MouseEvent arg0) { // TODO Auto-generated method stub } }); //二、前進(jìn)按鈕 jbtNext.addMouseListener(new MouseListener(){ @Override public void mouseClicked(MouseEvent arg0) { // TODO Auto-generated method stub } @Override public void mouseEntered(MouseEvent arg0) { // TODO Auto-generated method stub jbtNext.setForeground(Color.GREEN); } @Override public void mouseExited(MouseEvent arg0) { // TODO Auto-generated method stub jbtNext.setForeground(Color.BLACK); } @Override public void mousePressed(MouseEvent arg0) { // TODO Auto-generated method stub } @Override public void mouseReleased(MouseEvent arg0) { // TODO Auto-generated method stub } }); //三、寫(xiě)日記按鈕 jbtDiary.addMouseListener(new MouseListener(){ @Override public void mouseClicked(MouseEvent arg0) { // TODO Auto-generated method stub } @Override public void mouseEntered(MouseEvent arg0) { // TODO Auto-generated method stub jbtDiary.setForeground(Color.GREEN); } @Override public void mouseExited(MouseEvent arg0) { // TODO Auto-generated method stub jbtDiary.setForeground(Color.BLACK); } @Override public void mousePressed(MouseEvent arg0) { // TODO Auto-generated method stub } @Override public void mouseReleased(MouseEvent arg0) { // TODO Auto-generated method stub } }); //四、看日記按鈕 jbtScanDiary.addMouseListener(new MouseListener(){ @Override public void mouseClicked(MouseEvent arg0) { // TODO Auto-generated method stub } @Override public void mouseEntered(MouseEvent arg0) { // TODO Auto-generated method stub jbtScanDiary.setForeground(Color.GREEN); } @Override public void mouseExited(MouseEvent arg0) { // TODO Auto-generated method stub jbtScanDiary.setForeground(Color.BLACK); } @Override public void mousePressed(MouseEvent arg0) { // TODO Auto-generated method stub } @Override public void mouseReleased(MouseEvent arg0) { // TODO Auto-generated method stub } }); jpButtons.add(jbtPrior); jpButtons.add(jbtNext); jpButtons.add(jbtDiary); jpButtons.add(jbtScanDiary); jpButtons.setBackground(Color.WHITE); /** * 添加日歷主要組件 */ JPanel jpCalendar=new JPanel(new BorderLayout()); jpCalendar.add(calendarPanel,BorderLayout.CENTER); jpCalendar.add(jpButtons,BorderLayout.SOUTH); /** * 添加背單詞模塊 */ JPanel jpLearn=new JPanel(new FlowLayout()); jpLearn.setBorder(new TitledBorder("開(kāi)心背單詞")); jpLearn.add(jlblLearn); jpLearn.setBackground(Color.WHITE); /** * 添加版本號(hào)信息 */ JPanel jpVersionID=new JPanel(new FlowLayout()); Font font=new Font("宋體",Font.PLAIN,4); jpVersionID.setFont(font); jpVersionID.add(jlblVersionID); jpVersionID.setBackground(Color.WHITE); /** * 容器面板，合并記單詞與版本號(hào)模塊 */ JPanel jpBelow=new JPanel(new BorderLayout(2,1)); jpBelow.add(jpLearn,BorderLayout.CENTER); jpBelow.add(jpVersionID,BorderLayout.SOUTH); this.add(jpCalendar,BorderLayout.CENTER); this.add(jpBelow,BorderLayout.SOUTH); this.setBackground(Color.WHITE); this.setSize(700, 500); this.setLocationRelativeTo(null); this.setTitle("多功能日歷"); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setVisible(true); jbtScanDiary.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { new Thread(new thread_scanDiary()).start(); } }); jbtDiary.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { //獲取本地系統(tǒng)時(shí)間 SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");//設(shè)置日期格式 String time=df.format(new Date()); new Thread(new thread_keepDiary(time)).start(); } }); jbtPrior.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub int currentMonth=calendarPanel.getMonth(); if(currentMonth==0) { calendarPanel.setYear(year); year--; } calendarPanel.setMonth((currentMonth-1)%12); } }); jbtNext.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub int currentMonth=calendarPanel.getMonth(); if(currentMonth==11) { calendarPanel.setYear(++year); } calendarPanel.setMonth((currentMonth+1)%12); } }); } public static void main(String[] args) throws InterruptedException { // TODO Auto-generated method stub SwingUtilities.invokeLater(new Runnable(){ @Override public void run() { // TODO Auto-generated method stub new CalendarApp().init(); new Thread(new thread_showEnglish(jlblLearn)).start(); } }); } } |
CalendarPanel.java
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/** * 本程序功能是進(jìn)行日歷主面板布局 */package calenda; import java.awt.BorderLayout;import java.awt.Color;import java.awt.Font;import java.awt.GridLayout;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.text.DateFormatSymbols;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.GregorianCalendar;import java.util.Locale; import javax.swing.*;import javax.swing.border.LineBorder; public class CalendarPanel extends JPanel { /** * 聲明數(shù)據(jù)變量 */ private static final long serialVersionUID = 1L; private JLabel jlblHeader=new JLabel(" ",JLabel.CENTER); private JLabel[] jlblDay=new JLabel[49]; private Calendar calendar=new GregorianCalendar(); private int year0=calendar.get(Calendar.YEAR); private int month0=calendar.get(Calendar.MONTH); private int day0=calendar.get(Calendar.DAY_OF_MONTH); private int month; private int year; private int day; private JPanel jpDays=new JPanel(new GridLayout(0,7)); Font font1=new Font("宋體",Font.ITALIC,20); Font font2=new Font("宋體",Font.BOLD,26); Font font3=new Font("宋體",Font.BOLD,30); public CalendarPanel() { //設(shè)置日歷頭部件以及日期標(biāo)簽的背景色為白色 jlblHeader.setBackground(Color.WHITE); jpDays.setBackground(Color.WHITE); //聲明每個(gè)標(biāo)簽 for(int i=0;i<49;i++) { jlblDay[i]=new JLabel(); jlblDay[i].setBorder(new LineBorder(Color.LIGHT_GRAY,1)); jlblDay[i].setHorizontalAlignment(JLabel.RIGHT); jlblDay[i].setVerticalAlignment(JLabel.TOP); } calendar=new GregorianCalendar(); month=calendar.get(Calendar.MONTH); year=calendar.get(Calendar.YEAR); day=calendar.get(Calendar.DATE); //更新日歷 updateCalendar(); showHeader(); showDays(); //添加到主面板 this.setLayout(new BorderLayout()); this.add(jlblHeader, BorderLayout.NORTH); this.add(jpDays, BorderLayout.CENTER); } private void showHeader() { SimpleDateFormat sdf=new SimpleDateFormat("MMMM yyyy",Locale.CHINA); String header=sdf.format(calendar.getTime()); jlblHeader.setText(header); jlblHeader.setForeground(Color.BLUE); jlblHeader.setFont(font3); } private void showDayNames() { DateFormatSymbols dfs=new DateFormatSymbols(Locale.CHINA); String dayNames[]=dfs.getWeekdays(); for(int i=0;i<7;i++) { jlblDay[i].setText(dayNames[i+1]); jlblDay[i].setForeground(Color.BLUE); jlblDay[i].setHorizontalAlignment(JLabel.CENTER); jlblDay[i].setFont(font2); jpDays.add(jlblDay[i]); } } public void showDays() { jpDays.removeAll(); showDayNames(); int startingDayOfMonth=calendar.get(Calendar.DAY_OF_WEEK); Calendar cloneCalendar=(Calendar)calendar.clone(); cloneCalendar.add(Calendar.DATE, -1); int daysInPrecedingMonth=cloneCalendar.getActualMaximum(Calendar.DAY_OF_MONTH); for(int i=0;i<startingDayOfMonth-1;i++) { jlblDay[i+7].setForeground(Color.LIGHT_GRAY); jlblDay[i+7].setHorizontalAlignment(JLabel.CENTER); jlblDay[i+7].setText(daysInPrecedingMonth-startingDayOfMonth+2+i+""); jlblDay[i+7].setFont(font1); jpDays.add(jlblDay[i+7]); } int daysInCurrentMonth=calendar.getActualMaximum(Calendar.DAY_OF_MONTH); for(int i=1;i<=daysInCurrentMonth;i++) { if(i==day0&&year==year0&&month==month0) { jlblDay[i-2+startingDayOfMonth+7].setForeground(Color.red); jlblDay[i-2+startingDayOfMonth+7].setHorizontalAlignment(JLabel.CENTER); jlblDay[i-2+startingDayOfMonth+7].setText(i+""); jlblDay[i-2+startingDayOfMonth+7].setFont(font2); jpDays.add(jlblDay[i-2+startingDayOfMonth+7]); } else { jlblDay[i-2+startingDayOfMonth+7].setForeground(Color.darkGray); jlblDay[i-2+startingDayOfMonth+7].setHorizontalAlignment(JLabel.CENTER); jlblDay[i-2+startingDayOfMonth+7].setText(i+""); jlblDay[i-2+startingDayOfMonth+7].setFont(font1); jpDays.add(jlblDay[i-2+startingDayOfMonth+7]); } } int j=1; for(int i=daysInCurrentMonth-1+startingDayOfMonth+7;i%7!=0;i++) { jlblDay[i].setForeground(Color.LIGHT_GRAY); jlblDay[i].setHorizontalAlignment(JLabel.CENTER); jlblDay[i].setText(j++ +""); jlblDay[i].setFont(font1); jpDays.add(jlblDay[i]); } jpDays.repaint(); } public void updateCalendar() { calendar.set(Calendar.YEAR, year); calendar.set(Calendar.MONTH, month); calendar.set(Calendar.DATE, 1); month=calendar.get(Calendar.MONTH); year=calendar.get(Calendar.YEAR); day=calendar.get(Calendar.DATE); } public int getMonth() { return month; } public int getYear() { return year; } public void setMonth(int month) { this.month=month; updateCalendar(); showHeader(); showDays(); } public void setYear(int year) { this.year=year; updateCalendar(); showHeader(); showDays(); }} |
Diary.java
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/** * 本程序?yàn)槿沼涱?lèi) * 最后修改日期為2015-4-27 */package calenda; import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;import java.io.Serializable; import javax.swing.JOptionPane; public class Diary implements Serializable { /** * 數(shù)據(jù)域 */ //私有變量 private String filename; private String theme; private String content; //含參構(gòu)造方法 public Diary(String filename,String theme,String content) { if(theme.length()==0) { JOptionPane.showMessageDialog(null, "無(wú)論心情如何，總得有個(gè)主題吧！"); } else if(content.length()==0) { JOptionPane.showMessageDialog(null, "把開(kāi)心的不開(kāi)心的都盡情寫(xiě)下吧！"); } else { File CalendarDiaryFile=new File("C:/Calendar/Diary"); if(!CalendarDiaryFile.exists()) { CalendarDiaryFile.mkdirs(); } this.filename="C:/Calendar/Diary/"+filename+".dat"; this.theme=theme; this.content=content; } } public void write() throws Exception { File file=new File(filename); FileOutputStream fos = new FileOutputStream(file); ObjectOutputStream oos = new ObjectOutputStream(fos); oos.writeObject(this); oos.close(); } public Diary read() throws Exception { File file=new File(filename); FileInputStream fis=new FileInputStream(file); ObjectInputStream ois = new ObjectInputStream(fis); Diary d=(Diary) ois.readObject(); ois.close(); return d; } /** * 變量get()方法 * @return */ public String getTheme() { return this.theme; } public String getContent() { return this.content; } /** * 變量set()方法 * @param comment */} |
thread_keepDiary.java
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/** * 備忘錄線(xiàn)程 * 用于單擊標(biāo)簽時(shí)可以存儲(chǔ)日記 * 目前只考慮年月日時(shí)間點(diǎn)，不標(biāo)記具體時(shí)間點(diǎn) */package calenda; import java.awt.BorderLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.File;import java.nio.file.Files; import javax.swing.*; public class thread_keepDiary extends JFrame implements Runnable { private JFrame jf=this; private JTextArea jta=new JTextArea(); private JButton jbtSave=new JButton("保存"); private JLabel jlblTitle=new JLabel("主題"); private JTextField jtfTitle=new JTextField(16); private String id; public thread_keepDiary(String time) { JPanel jpTitle=new JPanel(); jpTitle.setLayout(new BorderLayout()); jpTitle.add(jlblTitle, BorderLayout.WEST); jpTitle.add(jtfTitle,BorderLayout.CENTER); jta.setLineWrap(true); jta.setWrapStyleWord(true); JScrollPane jsp=new JScrollPane(jta); jsp.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); this.id=time; jbtSave.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { // TODO Auto-generated method stub String theme=jtfTitle.getText().trim(); String content=jta.getText(); Diary d_today=new Diary(id,theme,content); try { d_today.write(); JOptionPane.showMessageDialog(null, "保存成功！"); jf.dispose(); } catch(Exception e) { e.printStackTrace(); } } }); this.setTitle("備忘錄"+id); this.add(jsp,BorderLayout.CENTER); this.add(jpTitle, BorderLayout.NORTH); this.add(jbtSave, BorderLayout.SOUTH); this.setSize(500,500); this.setLocationRelativeTo(null); this.setDefaultCloseOperation(DISPOSE_ON_CLOSE); } @Override public void run() { this.setVisible(true); } } |
thread_mottoSparkle.java
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package calenda; import javax.swing.JLabel; public class thread_mottoSparkle implements Runnable{ private JLabel jlbl; public thread_mottoSparkle(JLabel jlbl) { this.jlbl=jlbl; } @Override public void run() { String content=jlbl.getText(); int L=content.length(); int index=0; while(true) { jlbl.setText(content.substring(0, index)); try { Thread.sleep(250); } catch(Exception ex) { ex.printStackTrace(); } index++; if(index==(L+1)) index=0; } } } |
thread_scanDiary.java
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/*** 查看日記線(xiàn)程編寫(xiě)*/package calenda; import java.awt.BorderLayout;import java.awt.Color;import java.awt.Font;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.File;import java.io.FileInputStream;import java.io.ObjectInputStream; import javax.swing.*;import javax.swing.table.DefaultTableCellRenderer;import javax.swing.table.DefaultTableModel;import javax.swing.table.JTableHeader; public class thread_scanDiary extends JFrame implements Runnable{ /** * 聲明變量區(qū) */ private static final long serialVersionUID = 1L; //日歷數(shù)據(jù)庫(kù)存放路徑 private String path="C:/Calendar/Diary"; //日歷總個(gè)數(shù) private static int num; //聲明日歷文件 private File file; private File[] Diary; //聲明JTable模型 private JTable jtable; //聲明格言面板及標(biāo)簽及內(nèi)容等 private JPanel jpMotto=new JPanel(); private JLabel jlblMotto=new JLabel(); private Font font=new Font("宋體",Font.ITALIC,20); private String wish="唯有專(zhuān)注，才能讓自己成功。"; //增加彈出式菜單2015-4-26 private JPopupMenu jPopupMenu1=new JPopupMenu(); //聲明菜單 private JMenuItem jmiScan=new JMenuItem("查看"); private JMenuItem jmiDelete=new JMenuItem("刪除"); private JMenuItem jmiComment=new JMenuItem("評(píng)論"); @Override public void run() { //嘗試彈出式菜單增加子菜單 jmiScan.setForeground(Color.RED); jmiDelete.setForeground(Color.RED); jmiComment.setForeground(Color.RED); jPopupMenu1.add(jmiScan); jPopupMenu1.addSeparator(); jPopupMenu1.add(jmiDelete); jPopupMenu1.addSeparator(); jPopupMenu1.add(jmiComment); /** * 智能獲取文件列表 */ file = new File(path); Diary=file.listFiles(); num=Diary.length; String[] head={" 時(shí)間 "," 主題 "}; Object[][] diary=new Object[num][2]; for(int i=0;i<num;i++) { try{ String time=Diary[i].getName().replaceFirst(".dat", ""); FileInputStream fis=new FileInputStream(Diary[i]); ObjectInputStream ois = new ObjectInputStream(fis); Diary d=(Diary) ois.readObject(); ois.close(); String theme=d.getTheme(); diary[i][0]=time; diary[i][1]=theme; } catch(Exception ex) { ex.printStackTrace(); } } /** * 格言面板取 */ jlblMotto.setText(wish); jlblMotto.setFont(font); jlblMotto.setForeground(Color.RED); jpMotto.add(jlblMotto); jpMotto.setBackground(Color.WHITE); /** * 日歷列表面板區(qū) */ final DefaultTableModel tableModel=new DefaultTableModel(diary,head); jtable=new JTable(tableModel); jtable.setBackground(Color.WHITE); jtable.setRowHeight(30); jtable.setDoubleBuffered(false); jtable.setComponentPopupMenu(jPopupMenu1); jtable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); DefaultTableCellRenderer tcr = new DefaultTableCellRenderer();// 設(shè)置table內(nèi)容居中 tcr.setHorizontalAlignment(SwingConstants.CENTER);// 這句和上句作用一樣 jtable.setDefaultRenderer(Object.class, tcr); JScrollPane jsp=new JScrollPane(jtable); /** * 彈出式菜單事件監(jiān)聽(tīng)器編寫(xiě) */ //查看菜單 jmiScan.addActionListener(new ActionListener(){ @Override public void actionPerformed(ActionEvent e) { if(jtable.getSelectedRow()>=0) { int index=jtable.getSelectedRow(); String filename="C:/Calendar/Diary/"+Diary[index].getName(); File file=new File(filename); try { FileInputStream fis=new FileInputStream(file); ObjectInputStream ois = new ObjectInputStream(fis); Diary d=(Diary) ois.readObject(); ois.close(); JFrame jf=new JFrame(); JTextArea jta=new JTextArea(); JLabel jlblTitle=new JLabel("主題"); JTextField jtfTitle=new JTextField(16); JPanel jpTitle=new JPanel(); jpTitle.setLayout(new BorderLayout()); jpTitle.add(jlblTitle, BorderLayout.WEST); jpTitle.add(jtfTitle,BorderLayout.CENTER); jta.setLineWrap(true); jta.setWrapStyleWord(true); JScrollPane jsp=new JScrollPane(jta); jsp.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); jtfTitle.setText(d.getTheme()); jta.setText(d.getContent()); jtfTitle.setEditable(false); jta.setEditable(false); jf.setTitle("日記 "+Diary[index].getName().replaceFirst(".dat", "")); jf.add(jsp,BorderLayout.CENTER); jf.add(jpTitle, BorderLayout.NORTH); jf.setSize(400,400); jf.setLocationRelativeTo(null); jf.setDefaultCloseOperation(DISPOSE_ON_CLOSE); jf.setVisible(true); } catch(Exception ex) { ex.printStackTrace(); } } else { JOptionPane.showMessageDialog(null, "請(qǐng)先選中一個(gè)日記！"); } } }); //刪除菜單 jmiDelete.addActionListener(new ActionListener(){ @Override public void actionPerformed(ActionEvent e) { if(jtable.getSelectedRow()>=0) { int index=jtable.getSelectedRow(); String filename="C:/Calendar/Diary/"+Diary[index].getName(); File file=new File(filename); int option=JOptionPane.showConfirmDialog(null, "你確定要?jiǎng)h除日記"+Diary[index].getName()+"？"); if(option==JOptionPane.YES_OPTION) { file.delete(); tableModel.removeRow(index); SwingUtilities.updateComponentTreeUI(jtable); JOptionPane.showMessageDialog(null, "刪除成功！"); } else { } } else { JOptionPane.showMessageDialog(null, "請(qǐng)先選中一個(gè)日記！"); } } }); /** * 主框架布局 */ this.add(jsp,BorderLayout.CENTER); this.add(jpMotto, BorderLayout.SOUTH); this.setSize(600, 500); this.setDefaultCloseOperation(DISPOSE_ON_CLOSE); this.setLocationRelativeTo(null); this.setTitle("日記列表"); this.setVisible(true); new Thread(new thread_mottoSparkle(jlblMotto)).start(); }} |
thread_showEnglish.java
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package calenda; import java.awt.Color;import java.awt.Font;import java.io.BufferedReader;import java.io.FileReader;import java.io.LineNumberReader;import java.security.SecureRandom;import java.util.Random; import javax.swing.JLabel; public class thread_showEnglish implements Runnable { private static JLabel jlbl=new JLabel(); Font font=new Font("????",Font.BOLD,18); public thread_showEnglish(JLabel jlbl) { this.jlbl=jlbl; jlbl.setForeground(Color.MAGENTA); jlbl.setFont(font); } @Override public void run() { // TODO Auto-generated method stub int count=0; try { String file="C:/Calendar/Learning/english_word.txt"; BufferedReader input = new BufferedReader(new FileReader(file)); while(input.readLine()!=null) { count++; } input.close(); int[] word = new int[count]; SecureRandom random = new SecureRandom(); for(int i=0;i<count;i++) { word[i]=random.nextInt(count); } int index=0; Thread.sleep(1000); while(true) { BufferedReader input1 = new BufferedReader(new FileReader(file)); String content=""; int line=0; while((content=input1.readLine())!=null) { if(line==word[index]) { jlbl.setText(content); } line++; } if(index==count-1) index=0; else index++; Thread.sleep(3500); } } catch(Exception ex) { ex.printStackTrace(); } }} |
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