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package tarea3_programa1;

import java.awt.EventQueue;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

 

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLae!;

import javax.swing.J"ane!;

import javax.swing.J#extFie!$;import javax.swing.%wing&onstants;

import javax.swing.or$er.#it!e$Bor$er;

'((

 (

 ( )aut*or a$ria_++1

 ('

 

pu!ic c!ass ,a!or -

 

private JFrame rm&a!cu!ava!or;

  private J#extFie!$ txt,a!or1;

  private J#extFie!$ txt,a!or/;

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  private J#extFie!$ txt,a!or3;

  private J#extFie!$ txt0esu!ta$o;

 

'((

  ( Lana !a ap!icaci2n.

  ( )param args

  ('

  pu!ic static voi$ main%tring45 args6 -

  EventQueue.invokeLater6 78 -

  tr9 -  ,a!or win$ow : new ,a!or6;

  win$ow.rm&a!cu!ava!or.set,isi!etrue6;

  catc* Exception e6 -

 

  6;

 

 

'((

  ( &onstructor< crea !a ap!icaci2n.

  ('

  pu!ic ,a!or6 -

  initia!ie6;

 

 

'((

  ( =nicia!ia to$o e! conteni$o $e! rame principa!.

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  ('

  private voi$ initia!ie6 -

  rm&a!cu!ava!or : new JFrame6;

  rm&a!cu!ava!or.set#it!e>&a!cu!a va!or>6;

  rm&a!cu!ava!or.set0esia!ea!se6;

  rm&a!cu!ava!or.setBoun$s1++? 1++? @+? /3@6;

  rm&a!cu!ava!or.seteau!t&!oseCperationJFrame.ED=#_C_&LC%E6;

  rm&a!cu!ava!or.get&ontent"ane6.setLa9outnu!!6;

 

 J"ane! pane!,a!or : new J"ane!6;  pane!,a!or.setBor$ernew #it!e$Bor$ernu!!? >va!or>?

 #it!e$Bor$er.LEA=? #it!e$Bor$er.#C"? nu!!? nu!!66;

  pane!,a!or.setBoun$s1+? /@? @/@? 1GH6;

  rm&a!cu!ava!or.get&ontent"ane6.a$$pane!,a!or6;

  pane!,a!or.setLa9outnu!!6;

 

'' &rean$o etiIuetas<

  JLae! !!ota1 : new JLae!>,a!or 16;

  !!ota1.setorionta!A!ignment%wing&onstants.0=#6;

  !!ota1.setBoun$s1+? /@? +? //6;

  pane!,a!or.a$$!!ota16;

 

 JLae! !ota/ : new JLae!>,a!or /6;

  !ota/.setorionta!A!ignment%wing&onstants.0=#6;

  !ota/.setBoun$s1+? K? +? //6;

  pane!,a!or.a$$!ota/6;

 

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  JLae! !!ota3 : new JLae!>,a!or 36;

  !!ota3.setorionta!A!ignment%wing&onstants.0=#6;

  !!ota3.setBoun$s1+? +? +? //6;

  pane!,a!or.a$$!!ota36;

 

'' instancian$o !os #extFie!$

  txt,a!or1 : new J#extFie!$6;

  txt,a!or1.setBoun$sG? /? /H? /+6;

  pane!,a!or.a$$txt,a!or16;

  txt,a!or1.set&o!umns1+6; 

txt,a!or/ : new J#extFie!$6;

  txt,a!or/.set&o!umns1+6;

  txt,a!or/.setBoun$sG? H? /H? /+6;

  pane!,a!or.a$$txt,a!or/6;

 

txt,a!or3 : new J#extFie!$6;

  txt,a!or3.set&o!umns1+6;

  txt,a!or3.setBoun$sK+? 1? /H? /+6;

  pane!,a!or.a$$txt,a!or36;

 

txt0esu!ta$o : new J#extFie!$6;

  txt0esu!ta$o.set&o!umns1+6;

  txt0esu!ta$o.setBoun$s1H? 133? /H? /+6;

  pane!,a!or.a$$txt0esu!ta$o6;

 

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  ''crean$o e! ot2n

  JButton tn&a!cu!ar,a!or : new JButton>&a!cu!ar ,a!or>6;

  ''aMa$ien$o e! !istener para Iue$ar a !a escuc*a $e! evento &L=&N 

  tn&a!cu!ar,a!or.a$$ActionListenernew&a!cu!a,a!orActionListener66;

  tn&a!cu!ar,a!or.setBoun$s/+? 133? 1? /+6;

  pane!,a!or.a$$tn&a!cu!ar,a!or6;

 

'((

  ( &a!cu!a e! prome$io $e !as tres notas.

  ('

  c!ass &a!cu!a,a!orActionListener imp!ements ActionListener -

 

)Cverri$e

  pu!ic voi$ action"erorme$ActionEvent e6 -

 

''recogemos !as notas $e !os textOe!$

  %tring str1 : txt,a!or1.get#ext6;

  %tring str/ : txt,a!or1.get#ext6;

  %tring str3 : txt,a!or1.get#ext6;

 

''convertimos a enteros para po$er traajar con e!!os.

  int n1 : =nteger.parse=ntstr16;

  int n/ : =nteger.parse=ntstr/6;

  int n3 : =nteger.parse=ntstr36;

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''ca!cu!amos e! prome$io

  int suma : n1 P n/ P n3;

  int ,a!or : suma ' 3;

 

'' convertimos a %tring nuevamente

  %tring resu!ta$o : %tring.va!ueC,a!or6;

 

''ponemos e! resu!ta$o en e! textOe!$ correspon$iente

txt0esu!ta$o.set#extresu!ta$o6;