Three-Box EditBox

First, the procedure requirements

EditBox also allows you to enter three 1 to 6 English characters or numbers and click OK to finish.

Two, effective equivalence class and invalid equivalence class division

Valid equivalence classes	Invalid equivalence class
E1: Length: 1 to 6	T1: Length: 0 or >=7
E2: Character: a-z,a-z,0-9	T2: Characters: English, characters other than numbers, control characters, punctuation marks, such as/. , such as punctuation

Third, the test case design, according to valid and invalid equivalence class can design 6 test cases

Coding	First box input	Second box input	Third box input	Results
1	Empty	Empty	Empty	The input format is not correct
2	123	Asd	123asd	Enter the correct
3	1234567	Asd	123asd	The first input is in an incorrect format
4	123456	12345asd	Asdf	The second input is in an incorrect format
5	Asdfg	123asd	Zxcv ，	The third input format is incorrect
6	Asd	1234567	123asdfg	Only the first one is correctly entered

Iv. program code: using JAVAFX implementation

1 Importjavafx.application.Application;2 Importjavafx.event.ActionEvent;3 ImportJavafx.event.EventHandler;4 ImportJavafx.scene.Scene;5 ImportJavafx.scene.control.Button;6 ImportJavafx.scene.control.TextField;7 ImportJavafx.scene.layout.AnchorPane;8 ImportJavafx.scene.text.Text;9 ImportJavafx.stage.Stage;Ten  One  A  Public classEditBoxextendsapplication{ -      Public Static voidMain (String arg0[]) { - Testtest.launch (arg0); the     } -      Public voidStart (Stage stage)throwsException { -Stage.settitle ("EditBox"); -Anchorpane root =NewAnchorpane (); +Scene scene =NewScene (root,500,400); -          +Text Text =NewText ("Please enter string:");  AAnchorpane.setleftanchor (text, 150.0); atAnchorpane.settopanchor (text,50.0); -          -         FinalTextField INPUT1 =NewTextField (); -         FinalTextField Input2 =NewTextField (); -         FinalTextField INPUT3 =NewTextField (); -Anchorpane.setleftanchor (input1,150.0); inAnchorpane.setleftanchor (input2,150.0); -Anchorpane.setleftanchor (input3,150.0); toAnchorpane.settopanchor (input1,100.0); +Anchorpane.settopanchor (input2,150.0); -Anchorpane.settopanchor (input3,200.0); the          *Button check =NewButton (); $Check.settext ("OK");Panax NotoginsengAnchorpane.setleftanchor (check, 150.0); -Anchorpane.settopanchor (check, 250.0); the          +Check.setonaction (NewEventhandler<actionevent>(){ A  the @Override +              Public voidhandle (ActionEvent arg0) { -                 if(Stringcheck (Input1.gettext (). toString ()) && $Stringcheck (Input2.gettext (). toString ()) &&Stringcheck (Input3.gettext (). toString ())) { $Stage correct =NewStage (); -Anchorpane Correctroot =NewAnchorpane (); -Text correcttext =NewText ("Input correct"); theAnchorpane.setleftanchor (Correcttext, 80.0); -Anchorpane.settopanchor (Correcttext, 40.0);Wuyi Correctroot.getchildren (). Add (correcttext); theScene Scene2 =NewScene (correctroot,200,100); - Correct.setscene (scene2); Wu correct.show (); -                 } About                 Else if(! (Stringcheck (Input1.gettext (). toString ()) && $Stringcheck (Input2.gettext (). toString ()) &&Stringcheck (Input3.gettext (). toString ()))) { -Stage result =NewStage (); -Anchorpane error =NewAnchorpane ();  -                     if(Stringcheck (Input1.gettext (). toString ()) &&Stringcheck (Input2.gettext (). toString ())) { AText correcttext =NewText ("Third input format is incorrect"); +Anchorpane.setleftanchor (Correcttext, 30.0); theAnchorpane.settopanchor (Correcttext, 30.0); - Error.getchildren (). Add (Correcttext);  $                     }     the                     Else if(Stringcheck (Input2.gettext (). toString ()) &&Stringcheck (Input3.gettext (). toString ())) { theText correcttext =NewText ("The first input format is incorrect"); theAnchorpane.setleftanchor (Correcttext, 30.0); theAnchorpane.settopanchor (Correcttext, 30.0); - Error.getchildren (). Add (correcttext); in                     } the                     Else if(Stringcheck (Input1.gettext (). toString ()) &&Stringcheck (Input3.gettext (). toString ())) { theText correcttext =NewText ("2nd input format is incorrect"); AboutAnchorpane.setleftanchor (Correcttext, 30.0); theAnchorpane.settopanchor (Correcttext, 30.0); the Error.getchildren (). Add (correcttext); the                     } +                     Else if(Stringcheck (Input1.gettext (). toString ())) { -Text correcttext =NewText ("Only 1th input format is correct"); theAnchorpane.setleftanchor (Correcttext, 30.0);BayiAnchorpane.settopanchor (Correcttext, 30.0); the Error.getchildren (). Add (correcttext); the                     } -                     Else if(Stringcheck (Input2.gettext (). toString ())) { -Text correcttext =NewText ("Only 2nd input format is correct"); theAnchorpane.setleftanchor (Correcttext, 30.0); theAnchorpane.settopanchor (Correcttext, 30.0); the Error.getchildren (). Add (correcttext); the                     } -                     Else if(Stringcheck (Input3.gettext (). toString ())) { theText correcttext =NewText ("Only 3rd input format is correct"); theAnchorpane.setleftanchor (Correcttext, 30.0); theAnchorpane.settopanchor (Correcttext, 30.0);94 Error.getchildren (). Add (correcttext); the                     } the                     Else{ theText correcttext =NewText ("Input format is not correct");98Anchorpane.setleftanchor (Correcttext, 30.0); AboutAnchorpane.settopanchor (Correcttext, 30.0); - Error.getchildren (). Add (correcttext);101                     }102Scene Scene2 =NewScene (error,200,100);103 Result.setscene (scene2);104 result.show (); the                 }106             }107             108         });109          the Root.getchildren (). AddAll (Text,input1,input2,input3,check);111 stage.setscene (scene); the stage.show ();113     } the      Public Booleanstringcheck (String ch) { the         if(Ch.length () ==0 | | ch.length () >6){ the             return false;117         }118         CharArr[] =New Char[Ch.length ()];119arr =Ch.tochararray (); -          for(intI=0;i<ch.length (); i++){121             if((Arr[i] >= ' A ' && arr[i] <= ' z ') | | (Arr[i] >= ' A ' && arr[i] <= ' Z ') | | (Arr[i] >= ' 0 ' && arr[i] <= ' 9 ')); 122             Else{123                 return false;124                 } the         }126         return true;127     } - 129}

V. Procedures

Three-Box EditBox