All of a sudden, I found some sense of java.

There is no such code in the book, I have to tinker with it completely ....

Is the feeling system a bit grand, do not hurry, slowly play ~! ~~

The world is wonderful yo ~ ~:

Quizcard.java

 Package QuizCard.sky.com;  Public class Quizcard {        private  String qstr;     Private String aStr;        Quizcard (string s1, string s2) {        = S1;         = s2;            }        String getquestion () {        return  qstr;            }    String  getanswer () {        return  aStr;            }}

Quizcardbuilder.java

 PackageQuizCard.sky.com;ImportJava.util.*;Importjava.awt.event.*;Importjavax.swing.*;Importjava.awt.*;ImportJava.io.*; Public classQuizcardbuilder {PrivateJTextArea question; PrivateJTextArea answer; PrivateArraylist<quizcard>cardlist; PrivateJFrame frame;  Public Static voidMain (string[] args) {Quizcardbuilder builder=NewQuizcardbuilder ();    Builder.go (); }         Public voidGo () {frame=NewJFrame ("Quiz Card Builder"); JPanel Mainpanel=NewJPanel (); Font Bigfont=NewFont ("Sanserif", Font.Bold, 24); Question=NewJTextArea (6, 20); Question.setlinewrap (true); Question.setwrapstyleword (true);                Question.setfont (Bigfont); JScrollPane Qscroller=NewJScrollPane (question);        Qscroller.setverticalscrollbarpolicy (scrollpaneconstants.vertical_scrollbar_always);                Qscroller.sethorizontalscrollbarpolicy (Scrollpaneconstants.horizontal_scrollbar_never); Answer=NewJTextArea (6, 20); Answer.setlinewrap (true); Answer.setwrapstyleword (true);                Answer.setfont (Bigfont); JScrollPane Ascroller=NewJScrollPane (answer);        Ascroller.setverticalscrollbarpolicy (scrollpaneconstants.vertical_scrollbar_always);                Ascroller.sethorizontalscrollbarpolicy (Scrollpaneconstants.horizontal_scrollbar_never); JButton Nextbutton=NewJButton ("Next Card")); Cardlist=NewArraylist<quizcard>(); JLabel Qlabel=NewJLabel ("Question:"); JLabel Alabel=NewJLabel ("Answer:");        Mainpanel.add (Qlabel);        Mainpanel.add (Qscroller);        Mainpanel.add (Alabel);        Mainpanel.add (Ascroller);        Mainpanel.add (Nextbutton); Nextbutton.addactionlistener (NewNextcardlistener ()); JMenuBar MenuBar=NewJMenuBar (); JMenu Filemenu=NewJMenu ("File"); JMenuItem Newmenuitem=NewJMenuItem ("New"); JMenuItem Savemenuitem=NewJMenuItem ("Save"); Newmenuitem.addactionlistener (NewNewmenulistener ()); Savemenuitem.addactionlistener (NewSavemenulistener ());        Filemenu.add (Newmenuitem);        Filemenu.add (Savemenuitem);                Menubar.add (Filemenu);        Frame.setjmenubar (MenuBar);        Frame.getcontentpane (). Add (Borderlayout.center, Mainpanel); Frame.setsize (500, 600); Frame.setvisible (true); }         Public classNextcardlistenerImplementsActionListener { Public voidactionperformed (ActionEvent ev) {Quizcard card=NewQuizcard (Question.gettext (), Answer.gettext ());            Cardlist.add (card);        Clearcard (); }    }     Public classSavemenulistenerImplementsActionListener { Public voidactionperformed (ActionEvent ev) {Quizcard card=NewQuizcard (Question.gettext (), Answer.gettext ());                        Cardlist.add (card); JFileChooser FileSave=NewJFileChooser ();            Filesave.showsavedialog (frame);                    SaveFile (Filesave.getselectedfile ()); }    }         Public classNewmenulistenerImplementsActionListener { Public voidactionperformed (ActionEvent ev) {cardlist.clear ();        Clearcard (); }    }        Private voidClearcard () {Question.settext (""); Answer.settext ("");    Question.requestfocus (); }        Private voidsaveFile (file file) {Try{bufferedwriter writer=NewBufferedWriter (NewFileWriter (file));  for(Quizcard card:cardlist) {writer.write (card.getquestion ()+ "/"); Writer.write (Card.getanswer ()+ "\ n");        } writer.close (); } Catch(IOException ex) {System.out.println ("Couldn ' t write the cardlist out");        Ex.printstacktrace (); }    }}

Quizcardplayer.java

 PackageQuizCard.sky.com;ImportJava.util.*;Importjava.awt.event.*;Importjavax.swing.*;Importjava.awt.*;ImportJava.io.*; Public classQuizcardplayer {PrivateJTextArea display; PrivateJTextArea answer; PrivateArraylist<quizcard>cardlist; PrivateQuizcard Currentcard; Private intCurrentcardindex; PrivateJFrame frame; PrivateJButton Nextbutton; Private BooleanIsshowanswer;  Public Static voidMain (string[] args) {//TODO auto-generated Method StubQuizcardplayer reader =NewQuizcardplayer ();    Reader.go (); }     Public voidGo () {frame=NewJFrame ("Quiz Card Player"); JPanel Mainpanel=NewJPanel (); Font Bigfont=NewFont ("Sanserif", Font.Bold, 24); Display=NewJTextArea (10, 20);                Display.setfont (Bigfont); Display.setlinewrap (true); Display.seteditable (false); JScrollPane Qscroller=NewJScrollPane (display);        Qscroller.setverticalscrollbarpolicy (scrollpaneconstants.vertical_scrollbar_always);        Qscroller.sethorizontalscrollbarpolicy (Scrollpaneconstants.horizontal_scrollbar_never); Nextbutton=NewJButton ("Show Question");        Mainpanel.add (Qscroller);        Mainpanel.add (Nextbutton); Nextbutton.addactionlistener (NewNextcardlistener ()); JMenuBar MenuBar=NewJMenuBar (); JMenu Filemenu=NewJMenu ("File"); JMenuItem Loadmenuitem=NewJMenuItem ("Load card Set"); Loadmenuitem.addactionlistener (NewOpenmenulistener ());        Filemenu.add (Loadmenuitem);        Menubar.add (Filemenu);        Frame.setjmenubar (MenuBar);        Frame.getcontentpane (). Add (Borderlayout.center, Mainpanel); Frame.setsize (640, 500); Frame.setvisible (true); }         Public classNextcardlistenerImplementsActionListener { Public voidactionperformed (ActionEvent ev) {if(isshowanswer) {Display.settext (Currentcard.getanswer ()); Nextbutton.settext ("Next Card"); Isshowanswer=false; } Else {            if(Currentcardindex <cardlist.size ())                {Shownextcard (); } Else{Display.settext ("That's last card"); Nextbutton.setenabled (false); }            }        }    }         Public classOpenmenulistenerImplementsActionListener { Public voidactionperformed (ActionEvent ev) {jfilechooser FileOpen=NewJFileChooser ();            Fileopen.showopendialog (frame);        LoadFile (Fileopen.getselectedfile ()); }    }        Private voidloadFile (file file) {cardlist=NewArraylist<quizcard>(); Try{BufferedReader Reader=NewBufferedReader (Newfilereader (file)); String Line=NULL;  while(line = Reader.readline ())! =NULL) {Makecard (line);        } reader.close (); } Catch(Exception ex) {System.out.println ("Couldn ' t read the card file");        Ex.printstacktrace (); }    }        Private voidMakecard (String linetoparse) {string[] result= Linetoparse.split ("/"); Quizcard Card=NewQuizcard (Result[0], result[1]);        Cardlist.add (card); System.out.println ("Made a card"); }        Private voidShownextcard () {Currentcard=Cardlist.get (Currentcardindex); Currentcardindex++; Display.settext ("Show Answer"); Isshowanswer=true; }}

All of a sudden, I found some sense of java.