Criei um aplicativo java para calcular a média e queria alterar o ícone, mas não sei como. Como deve ser feito?
Esse é o Código do JFrame:
package chemistry;
public class ChemistryJFrame extends javax.swing.JFrame {
public ChemistryJFrame() {
initComponents();
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
Campo1 = new javax.swing.JTextField();
Campo2 = new javax.swing.JTextField();
Campo3 = new javax.swing.JTextField();
Condição = new javax.swing.JTextField();
Nota1 = new javax.swing.JLabel();
Nota2 = new javax.swing.JLabel();
Média = new javax.swing.JLabel();
Calcular = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
ptsPositivos = new javax.swing.JComboBox();
ptsNegativos = new javax.swing.JComboBox();
fabricante = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("Média Bimestral");
Campo3.setBackground(new java.awt.Color(255, 255, 255));
Campo3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
Campo3ActionPerformed(evt);
}
});
Condição.setBackground(new java.awt.Color(255, 255, 255));
Nota1.setText("Nota 1:");
Nota2.setText("Nota 2:");
Média.setText("Média:");
Calcular.setText("Calcular");
Calcular.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
CalcularActionPerformed(evt);
}
});
jLabel1.setFont(new java.awt.Font("Arial", 0, 18)); // NOI18N
jLabel1.setText("Calcular Média");
jLabel1.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
jLabel2.setForeground(new java.awt.Color(0, 0, 255));
jLabel2.setText("Acrescentar Ponto(s):");
jLabel3.setForeground(new java.awt.Color(204, 0, 0));
jLabel3.setText("Retirar Ponto(s):");
ptsPositivos.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "0", "1", "2", "3" }));
ptsNegativos.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "0", "1", "2", "3" }));
fabricante.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
fabricante.setText("rh4nielmx");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(21, 21, 21)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(Nota2)
.addComponent(Campo1, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(Nota1)
.addComponent(Campo2, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(6, 6, 6)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(ptsPositivos, javax.swing.GroupLayout.Alignment.LEADING, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(ptsNegativos, javax.swing.GroupLayout.Alignment.LEADING, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jLabel3, javax.swing.GroupLayout.Alignment.LEADING)))
.addComponent(jLabel2))
.addGap(10, 10, 10))
.addGroup(layout.createSequentialGroup()
.addGap(54, 54, 54)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(Condição, javax.swing.GroupLayout.PREFERRED_SIZE, 136, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(Campo3, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(123, 123, 123)
.addComponent(Média)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 125, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(0, 62, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(104, 104, 104)
.addComponent(Calcular)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(fabricante)))
.addContainerGap())
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(145, 145, 145)
.addComponent(jLabel1)
.addGap(17, 133, Short.MAX_VALUE)))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(43, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(Nota1)
.addGap(18, 18, 18)
.addComponent(Campo1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(26, 26, 26)
.addComponent(Nota2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(Campo2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(jLabel2)
.addGap(18, 18, 18)
.addComponent(ptsPositivos, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(28, 28, 28)
.addComponent(jLabel3)
.addGap(7, 7, 7)
.addComponent(ptsNegativos, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(29, 29, 29)
.addComponent(Média)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(Campo3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(Condição, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(Calcular)
.addGap(24, 24, 24))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(fabricante)
.addContainerGap())))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(12, 12, 12)
.addComponent(jLabel1)
.addContainerGap(253, Short.MAX_VALUE)))
);
pack();
setLocationRelativeTo(null);
}// </editor-fold>
private void Campo3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void CalcularActionPerformed(java.awt.event.ActionEvent evt) {
String a = Campo1.getText();
String b = Campo2.getText();
double nota1 = Double.parseDouble(a);
double nota2 = Double.parseDouble(b);
String a1 = (String) ptsPositivos.getSelectedItem();
String a2 = (String) ptsNegativos.getSelectedItem();
double b1 = Double.parseDouble(a1);
double b2 = Double.parseDouble(a2);
double media = ((nota1 +(nota2*2))/3) + b1 - b2;
String c = Double.toString(media);
if(media > 6 && media <10){
String condicao = "Aprovado";
Condição.setText(condicao);
}
if(media < 6){
String condicao = "Recuperação";
Condição.setText(condicao);
}
if(media == 10){
String condicao = "Aprovado com Louvor";
Condição.setText(condicao);
}
if(media > 10){
String condicao = "Média Incoerente";
Condição.setText(condicao);
}
Campo3.setText(c);
}
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new ChemistryJFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton Calcular;
private javax.swing.JTextField Campo1;
private javax.swing.JTextField Campo2;
private javax.swing.JTextField Campo3;
private javax.swing.JTextField Condição;
private javax.swing.JLabel Média;
private javax.swing.JLabel Nota1;
private javax.swing.JLabel Nota2;
private javax.swing.JLabel fabricante;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JComboBox ptsNegativos;
private javax.swing.JComboBox ptsPositivos;
// End of variables declaration
}