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Aggiunto nuovo JFrame

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La Programmatrice Verde
2026-01-22 11:11:18 +01:00
parent 4232a58374
commit e1e5d7f5c1
3 changed files with 109 additions and 70 deletions
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70
src/guiesempio1/GUIEsempio1.java
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Main.java to edit this template
*/
package guiesempio1;
import java.util.InputMismatchException;
import java.util.Scanner;
/**
*
* @author Verde
*/
public class GUIEsempio1 {
/**
* @param args the command line arguments
*/
static Scanner sc = new Scanner(System.in);
static final String ERRORE_GENERICO = "Errore: opzione non valida.";
public static void main(String[] args) {
int scelta = -1;
do {
System.out.println("Scegliere un'opzione:");
System.out.println("1. ");
System.out.println("2. ");
System.out.println("3. ");
System.out.println("0. Esci");
System.out.print("Opzione: ");
try {
scelta = sc.nextInt();
sc.nextLine();
switch (scelta) {
case 0:
break;
case 1:
pausa();
break;
case 2:
pausa();
break;
case 3:
pausa();
break;
default:
System.out.println(ERRORE_GENERICO);
pausa();
break;
}
}
catch (InputMismatchException _) {
System.out.println(ERRORE_GENERICO);
pausa();
}
} while (scelta != 0);
}
public static void pausa() {
System.out.println("Premere un tasto per continuare. . .");
sc.nextLine();
}
}

35
src/guiesempio1/PrimoEsempio.form Normal file
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<?xml version="1.0" encoding="UTF-8" ?>
<Form version="1.3" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
<Properties>
<Property name="defaultCloseOperation" type="int" value="3"/>
</Properties>
<SyntheticProperties>
<SyntheticProperty name="formSizePolicy" type="int" value="1"/>
<SyntheticProperty name="generateCenter" type="boolean" value="false"/>
</SyntheticProperties>
<AuxValues>
<AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="0"/>
<AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
<AuxValue name="FormSettings_generateFQN" type="java.lang.Boolean" value="true"/>
<AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
<AuxValue name="FormSettings_i18nAutoMode" type="java.lang.Boolean" value="false"/>
<AuxValue name="FormSettings_layoutCodeTarget" type="java.lang.Integer" value="1"/>
<AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="3"/>
<AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
<AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
</AuxValues>
<Layout>
<DimensionLayout dim="0">
<Group type="103" groupAlignment="0" attributes="0">
<EmptySpace min="0" pref="400" max="32767" attributes="0"/>
</Group>
</DimensionLayout>
<DimensionLayout dim="1">
<Group type="103" groupAlignment="0" attributes="0">
<EmptySpace min="0" pref="300" max="32767" attributes="0"/>
</Group>
</DimensionLayout>
</Layout>
</Form>

74
src/guiesempio1/PrimoEsempio.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/GUIForms/JFrame.java to edit this template
*/
package guiesempio1;
/**
*
* @author Verde
*/
public class PrimoEsempio extends javax.swing.JFrame {
private static final java.util.logging.Logger logger = java.util.logging.Logger.getLogger(PrimoEsempio.class.getName());
/**
* Creates new form PrimoEsempio
*/
public PrimoEsempio() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 400, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 300, Short.MAX_VALUE)
);
pack();
}// </editor-fold>//GEN-END:initComponents
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ReflectiveOperationException | javax.swing.UnsupportedLookAndFeelException ex) {
logger.log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(() -> new PrimoEsempio().setVisible(true));
}
// Variables declaration - do not modify//GEN-BEGIN:variables
// End of variables declaration//GEN-END:variables
}