![Write an application containing three parallel arrays that hold 10 elements each. The first array
hold four-digit student ID numbers, the second array holds first names, and the third array holds
the students’ grade point averages. Use dialog boxes to accept a student ID number and display
the student’s first name and grade point average. If a match is not found, display an error
message that includes the invalid ID number and allow the user to search for a new ID number.
Solution
package javaapplication;
public class BoxJFrame extends javax.swing.JFrame {
/**
* Creates new form BoxJFrame
*/
private int[] studentsID = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
private String[] studentsName ={"Alan", "Cris", "Joe", "Suzzy", "Stan", "Eminem",
"Josh", "Ann", "Katy", "Ralph"};
private double[] studentsGP = {2.8, 4.1, 3.5, 4.0, 3.8, 3.75, 3.0, 4.2, 3.9, 3.6};
public BoxJFrame() {
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")
//
//GEN-BEGIN:initComponents
private void initComponents() {](https://image.slidesharecdn.com/writeanapplicationcontainingthreeparallelarraysthathold10e-230705073733-4ffd7cc5/85/Write-an-application-containing-three-parallel-arrays-that-hold-10-e-pdf-1-320.jpg)
![.addGap(51, 51, 51)
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(110, Short.MAX_VALUE)) );
pack();
}
// //GEN-END:initComponents
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt)
{
//GEN-FIRST:event_jButton1ActionPerformed
// TODO add your handling code here:
boolean flag = false;
try{
int num = Integer.parseInt(jTextPane2.getText());
for(int i=0; i<10; i++){
if(studentsID[i]==num){
flag = true;
jTextArea1.setText("ID: " + num + " " + "Name: " + studentsName[i] + " " + "GPA: " +
studentsGP[i]);
break;
}
}
if(!flag)
jTextArea1.setText("Wrong ID! Try again!");
}
catch(Exception e){
jTextArea1.setText("Error input!");
}
}
//GEN-LAST:event_jButton1ActionPerformed](https://image.slidesharecdn.com/writeanapplicationcontainingthreeparallelarraysthathold10e-230705073733-4ffd7cc5/85/Write-an-application-containing-three-parallel-arrays-that-hold-10-e-pdf-4-320.jpg)
![public static void main(String args[]) {
try {
for (javax.swing.UIManager.LookAndFeelInfo info :
javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
}
catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(BoxJFrame.class.getName()).log(java.util.logging.Level.SE
VERE, null, ex);
}
catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(BoxJFrame.class.getName()).log(java.util.logging.Level.SE
VERE, null, ex);
}
catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(BoxJFrame.class.getName()).log(java.util.logging.Level.SE
VERE, null, ex);
}
catch (javax.swing.UnsupportedLookAndFeelException ex)
{
java.util.logging.Logger.getLogger(BoxJFrame.class.getName()).log(java.util.logging.Level.SE
VERE, null, ex);
}
//
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable()
{
public void run()
{](https://image.slidesharecdn.com/writeanapplicationcontainingthreeparallelarraysthathold10e-230705073733-4ffd7cc5/85/Write-an-application-containing-three-parallel-arrays-that-hold-10-e-pdf-5-320.jpg)
Write an application containing three parallel arrays that hold 10 e.pdf
- 1. Write an application containing three parallel arrays that hold 10 elements each. The first array hold four-digit student ID numbers, the second array holds first names, and the third array holds the students’ grade point averages. Use dialog boxes to accept a student ID number and display the student’s first name and grade point average. If a match is not found, display an error message that includes the invalid ID number and allow the user to search for a new ID number. Solution package javaapplication; public class BoxJFrame extends javax.swing.JFrame { /** * Creates new form BoxJFrame */ private int[] studentsID = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19}; private String[] studentsName ={"Alan", "Cris", "Joe", "Suzzy", "Stan", "Eminem", "Josh", "Ann", "Katy", "Ralph"}; private double[] studentsGP = {2.8, 4.1, 3.5, 4.0, 3.8, 3.75, 3.0, 4.2, 3.9, 3.6}; public BoxJFrame() { 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") // //GEN-BEGIN:initComponents private void initComponents() {
- 2. jScrollPane1 = new javax.swing.JScrollPane(); jTextPane1 = new javax.swing.JTextPane(); jLabel1 = new javax.swing.JLabel(); jScrollPane2 = new javax.swing.JScrollPane(); jTextPane2 = new javax.swing.JTextPane(); jButton1 = new javax.swing.JButton(); jLabel2 = new javax.swing.JLabel(); jScrollPane3 = new javax.swing.JScrollPane(); jTextArea1 = new javax.swing.JTextArea(); jScrollPane1.setViewportView(jTextPane1); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); jLabel1.setText("Input student ID"); jScrollPane2.setViewportView(jTextPane2); jButton1.setText("Search"); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton1ActionPerformed(evt); } } ); jLabel2.setText("Result"); jTextArea1.setColumns(20); jTextArea1.setRows(5); jScrollPane3.setViewportView(jTextArea1); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(
- 3. layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(25, 25, 25) .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 135, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 179, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(42, 42, 42) .addComponent(jButton1)) .addGroup(layout.createSequentialGroup() .addGap(226, 226, 226) .addComponent(jLabel2))) .addContainerGap(43, Short.MAX_VALUE)) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() .addGap(0, 0, Short.MAX_VALUE) .addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, 291, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(101, 101, 101)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(27, 27, 27) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 30, Short.MAX_VALUE) .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() .addGap(26, 26, 26) .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)))
- 4. .addGap(51, 51, 51) .addComponent(jLabel2) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(110, Short.MAX_VALUE)) ); pack(); } // //GEN-END:initComponents private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { //GEN-FIRST:event_jButton1ActionPerformed // TODO add your handling code here: boolean flag = false; try{ int num = Integer.parseInt(jTextPane2.getText()); for(int i=0; i<10; i++){ if(studentsID[i]==num){ flag = true; jTextArea1.setText("ID: " + num + " " + "Name: " + studentsName[i] + " " + "GPA: " + studentsGP[i]); break; } } if(!flag) jTextArea1.setText("Wrong ID! Try again!"); } catch(Exception e){ jTextArea1.setText("Error input!"); } } //GEN-LAST:event_jButton1ActionPerformed
- 5. public static void main(String args[]) { try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(BoxJFrame.class.getName()).log(java.util.logging.Level.SE VERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(BoxJFrame.class.getName()).log(java.util.logging.Level.SE VERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(BoxJFrame.class.getName()).log(java.util.logging.Level.SE VERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(BoxJFrame.class.getName()).log(java.util.logging.Level.SE VERE, null, ex); } // /* Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() {
- 6. new BoxJFrame().setVisible(true); } }); } // Variables declaration - do not modify //GEN-BEGIN:variables private javax.swing.JButton jButton1; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JScrollPane jScrollPane2; private javax.swing.JScrollPane jScrollPane3; private javax.swing.JTextArea jTextArea1; private javax.swing.JTextPane jTextPane1; private javax.swing.JTextPane jTextPane2; // End of variables declaration //GEN-END:variables }