Exercícios Netbeans - Vera Cymbron

PROGRAMAÇÃO SISTEMAS
DISTRIBUÍDOS
JAVA PARA WEB
NETBEANS
Por Vera Cymbron 2012

EXERCICIO 1 – CALCULADORA
Source
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package calculadora;
/**
*
* @author CAO VeraCymbron
*/
public class Calculadora extends javax.swing.JFrame {
/**
* Creates new form Calculadora
*/
public Calculadora() {
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">
private void initComponents() {
valor1 = new javax.swing.JLabel();
TF2 = new javax.swing.JTextField();

bsoma = new javax.swing.JButton();
TF3 = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
bdivisao = new javax.swing.JButton();
bsubtraccao = new javax.swing.JButton();
bmultiplicacao = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
valor1.setText("Numero1");
valor1.setToolTipText("");
valor2.setText("Numero2");
TF2.setToolTipText("");
bsoma.setMnemonic('s');
bsoma.setText("Soma");
bsoma.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
bsomaActionPerformed(evt);
}
});
TF3.setToolTipText("");
jLabel3.setText("Resultado:");
bdivisao.setMnemonic('s');
bdivisao.setText("Divisão");
bdivisao.addActionListener(new java.awt.event.ActionListener() {
bdivisaoActionPerformed(evt);
}
});
bsubtraccao.setMnemonic('s');
bsubtraccao.setText("Subtracção");
bsubtraccao.addActionListener(new java.awt.event.ActionListener() {
bsubtraccaoActionPerformed(evt);
}
});
bmultiplicacao.setMnemonic('s');
bmultiplicacao.setText("Multiplicação");
bmultiplicacao.addActionListener(new java.awt.event.ActionListener() {
bmultiplicacaoActionPerformed(evt);
}
});

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(85, 85, 85)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING,
false)
.addComponent(bsoma, javax.swing.GroupLayout.DEFAULT_SIZE, 109,
Short.MAX_VALUE)
.addComponent(TF3)
.addComponent(bdivisao, javax.swing.GroupLayout.DEFAULT_SIZE, 109,
Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(TF2, javax.swing.GroupLayout.PREFERRED_SIZE, 109,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0, 0, Short.MAX_VALUE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(bsubtraccao, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(bmultiplicacao, javax.swing.GroupLayout.DEFAULT_SIZE, 107,
Short.MAX_VALUE))
.addGap(91, 91, 91))))
.addGap(117, 117, 117)
.addComponent(valor1)
.addGap(71, 71, 71)
.addComponent(valor2))
.addGap(147, 147, 147)
.addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 109,
javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(0, 0, Short.MAX_VALUE))
);
layout.setVerticalGroup(
.addGap(23, 23, 23)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(valor2))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addComponent(bsoma)
.addComponent(bsubtraccao))
.addComponent(bdivisao)
.addComponent(bmultiplicacao))
.addGap(18, 18, 18)
.addContainerGap(122, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void bsomaActionPerformed(java.awt.event.ActionEvent evt) {
double num1, num2, res; //variáveis auxiliares
//converter o numero digitado em Float
num1 = Double.parseDouble(TF2.getText());
num2 = Double.parseDouble (TF3.getText());
res = num1 + num2;
//converte o resultado em String e mostrar
jLabel3.setText(String.valueOf("Resultado: " +res));
TF2.setText(" ");//Limpar o JTextField
TF3.setText(" ");
TF3.requestFocus();//muda o foco para o JTextField1
}
private void bdivisaoActionPerformed(java.awt.event.ActionEvent evt) {
res = num1 / num2;
TF3.setText(" ");
}
private void bsubtraccaoActionPerformed(java.awt.event.ActionEvent evt) {

res = num1 - num2;
TF3.setText(" ");
}
private void bmultiplicacaoActionPerformed(java.awt.event.ActionEvent evt) {
res = num1 * num2;
TF3.setText(" ");
}
/**
* @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 (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Calculadora.class.getName()).log(java.util.logging.Level.SEVE
RE, null, ex);
} catch (InstantiationException ex) {
RE, null, ex);
} catch (IllegalAccessException ex) {

RE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
RE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Calculadora().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JTextField TF2;
private javax.swing.JTextField TF3;
private javax.swing.JButton bdivisao;
private javax.swing.JButton bmultiplicacao;
private javax.swing.JButton bsoma;
private javax.swing.JButton bsubtraccao;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel valor1;
// End of variables declaration
}
EXERCICIO 2 – CALCULAR VALOR DA INDEMINIZAÇÃO
SOURCE
/*

*/
package valorindeminizacao;
/**
*
* @author CAO 12
*/
public class ValorIndemnizacao extends javax.swing.JFrame {
/**
* Creates new form ValorIndemnizacao
*/
public ValorIndemnizacao() {
initComponents();
}
/**
*/
num1 = new javax.swing.JTextField();
calcular = new javax.swing.JButton();
valor1.setText("Tempo de serviço (MESES)");
valor2.setText("Vencimento mensal");
calcular.setText("Cacular");
calcular.addActionListener(new java.awt.event.ActionListener() {
calcularActionPerformed(evt);
}
});
jLabel4.setText("Valor da Indemnização é :");
valor3.setText("No caso de ter dias de férias por gozar indique");

.addGap(44, 44, 44)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING,
false)
.addComponent(calcular, javax.swing.GroupLayout.PREFERRED_SIZE, 83,
.addGap(18, 18, 18)
.addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(valor3, javax.swing.GroupLayout.Alignment.LEADING,
javax.swing.GroupLayout.DEFAULT_SIZE, 235, Short.MAX_VALUE)
.addGroup(javax.swing.GroupLayout.Alignment.LEADING,
layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(valor1, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(num1, javax.swing.GroupLayout.DEFAULT_SIZE, 104,
Short.MAX_VALUE)
.addComponent(num2))))
.addGap(18, 18, 18)
.addComponent(num3, javax.swing.GroupLayout.PREFERRED_SIZE, 83,
javax.swing.GroupLayout.PREFERRED_SIZE)))
);
.addGap(28, 28, 28)
.addComponent(num1, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)
.addComponent(calcular)
);
pack();
}// </editor-fold>
private void calcularActionPerformed(java.awt.event.ActionEvent evt) {
double valor1, valor2, valor3, valor = 0;
//variáveis auxiliares
valor1 = Double.parseDouble(num1.getText());
valor2 = Double.parseDouble (num2.getText());
if (valor1<=6) {
valor = ((valor1*3*valor2)/30)+((valor3*valor2)/30);
}
else
if (valor1 >=7) {
valor = ((valor1*2*valor2)/30)+((valor3*valor2)/30);
}
jLabel4.setText(String.valueOf("O valor da indemnização é: " +valor+ "€"));
num1.setText(" ");//Limpar o JTextField
num2.setText(" ");
num3.setText(" ");
num1.requestFocus();//muda o foco para o JTextField1
}
/**
*/
* For details see
*/
try {

break;
}
}
java.util.logging.Logger.getLogger(ValorIndemnizacao.class.getName()).log(java.util.logging.Lev
el.SEVERE, null, ex);
}
//</editor-fold>
public void run() {
new ValorIndemnizacao().setVisible(true);
}
});
}
private javax.swing.JButton calcular;
private javax.swing.JTextField num1;
}

EXERCICIO 3 – ORÇAMENTO
SOURCE
/*
*/
package orcamento;
import javax.swing.JComboBox;
/**
*
* @author CAO 12
*/
public class Orcamento extends javax.swing.JFrame {
/**
* Creates new form Orcamento
*/
public Orcamento() {
initComponents();
}
/**
*/

jComboBox2 = new javax.swing.JComboBox();
area = new javax.swing.JLabel();
saida = new javax.swing.JLabel();
jcomboBox1 = new javax.swing.JComboBox();
jComboBox2.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "->",
"Estuco", "Teto falso com Plauduro normal", "Teto falso com Plauduro hidrofugado" }));
jComboBox2.addActionListener(new java.awt.event.ActionListener() {
jComboBox2ActionPerformed(evt);
}
});
area.setText("Área m2");
jLabel2.setText("Seleccione o serviço pretendido");
saida.setText("O valor é:");
jcomboBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "23", "16"
}));
.addContainerGap()
.addComponent(jComboBox2, javax.swing.GroupLayout.PREFERRED_SIZE, 173,
.addComponent(area)
.addGap(18, 18, 18)
.addComponent(saida, javax.swing.GroupLayout.PREFERRED_SIZE, 343,
.addComponent(jcomboBox1, javax.swing.GroupLayout.PREFERRED_SIZE,
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);

.addGap(66, 66, 66)
.addComponent(area)
.addGap(18, 18, 18)
.addComponent(jLabel2)
.addGap(18, 18, 18)
.addComponent(jComboBox2, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(30, 30, 30)
.addComponent(jcomboBox1, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 48,
Short.MAX_VALUE)
.addComponent(saida, javax.swing.GroupLayout.PREFERRED_SIZE, 23,
.addGap(23, 23, 23))
);
pack();
}// </editor-fold>
private void jComboBox2ActionPerformed(java.awt.event.ActionEvent evt) {
double valor, resultado = 0;
double iva = 0;
iva = Double.parseDouble (String.valueOf(jcomboBox1.getSelectedItem()));
if
(jComboBox2.getSelectedItem().equals("Estuco"))
{
valor = Double.parseDouble (num1.getText());
if(jcomboBox1.getSelectedItem().equals("23")){
resultado = (valor*7.5)*1.23;
}
if(jcomboBox1.getSelectedItem().equals("16")){
resultado = (valor*7.5)*1.16;
}
}
else
if
(jComboBox2.getSelectedItem().equals("Teto falso com Plauduro normal")){
resultado = (valor*12.5)*iva;
}
else
if
(jComboBox2.getSelectedItem().equals("Teto falso com Plauduro hidrofugado")){
resultado = (valor*17.5)* iva;
}

saida.setText(String.valueOf("O valor do serviço é: " +resultado+"€"));
}
/**
*/
* For details see
*/
try {
break;
}
}
java.util.logging.Logger.getLogger(Orcamento.class.getName()).log(java.util.logging.Level.SEVE
RE, null, ex);
RE, null, ex);
RE, null, ex);
RE, null, ex);
}
//</editor-fold>
public void run() {
new Orcamento().setVisible(true);
}
});
}
private javax.swing.JLabel area;
private javax.swing.JComboBox jComboBox2;

private javax.swing.JComboBox jcomboBox1;
private javax.swing.JLabel saida;
}
EXERCICIO 4 – CALCULO DA MASSA CORPORAL
SOURCE
/*
*/
package massacorporal;
/**
*
* @author CAO 12
*/
public class MASSACORPORAL extends javax.swing.JFrame {
/**
* Creates new form MASSACORPORAL
*/
public MASSACORPORAL() {
initComponents();
}
/**

*/
Calcular = new javax.swing.JButton();
valor1.setText("Peso");
valor2.setText("Altura");
Calcular.setText("Calcular");
Calcular.addActionListener(new java.awt.event.ActionListener() {
CalcularActionPerformed(evt);
}
});
jLabel4.setText("Massa Corporal é");
.addGap(23, 23, 23)
.addComponent(Calcular)
.addGap(98, 98, 98)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGap(18, 18, 18)
javax.swing.GroupLayout.PREFERRED_SIZE))))

);
.addGap(31, 31, 31)
.addGap(18, 18, 18)
.addGap(78, 78, 78)
.addComponent(Calcular)
);
pack();
}// </editor-fold>
private void CalcularActionPerformed(java.awt.event.ActionEvent evt) {
double valor1, valor2, res; //variáveis auxiliares
valor1 = Double.parseDouble(num1.getText());
res = valor1/( valor2 * valor2);
num2.setText(" ");
}
/**
*/
* For details see
*/

try {
break;
}
}
java.util.logging.Logger.getLogger(MASSACORPORAL.class.getName()).log(java.util.logging.Lev
}
//</editor-fold>
public void run() {
new MASSACORPORAL().setVisible(true);
}
});
}
private javax.swing.JButton Calcular;
}

Exercícios Netbeans - Vera Cymbron

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