Ta dando erro na linha 154, no ForEach, e na linha 159. Alguem ai pode dar um help!!??? import java.sql.Connection; import java.sql.ResultSet; import java.sql.Statement; import java.util.ArrayList; import …

Thiago Bom dia, na linha 146 não deveria ser: Thiago_Correia_Lima: alunos.add(new aluno(nome, cpf)); Acho que ta faltando o S de alunos que é um ArrayList correto? Se possível posta os erros que esão sendo mostrados a você pois fica mais facil podermos ajuda-lo Abraços Max

Cara, estava errado mesmo na construção do Array. Agora estou com um outro erro louco aqui que eu nunca vi na vida!!! kkkk Exception in thread “main” java.lang.UnsupportedOperationException: Not supported yet. at sistemadecadastro.MeuMenu.setDefaultCloseOperation(MeuMenu.java:26) at sistemadecadastr

Erro foreach

Ta dando erro na linha 154, no ForEach, e na linha 159. Alguem ai pode dar um help!!???

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Arrays;
import javax.swing.DefaultListModel;
/*
- To change this license header, choose License Headers in Project Properties.
- To change this template file, choose Tools | Templates
- and open the template in the editor.
*/
/**
- @author tigones
*/
public class MeusAlunos extends javax.swing.JFrame {
```
/**
```
```
* Creates new form MeusAlunos
```
```
*/
```
```
public MeusAlunos() {
```
initComponents();
atualizaAlunos();
}
```
/**
```

* 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() {
```

jRadioButton1 = new javax.swing.JRadioButton();

```
jLabel1 = new javax.swing.JLabel();
```

jScrollPane1 = new javax.swing.JScrollPane();

```
jList1 = new javax.swing.JList<>();
```

btnAdicionar = new javax.swing.JButton();

btnExcluir = new javax.swing.JButton();

```
btnVoltar = new javax.swing.JButton();
```

jRadioButton1.setText("jRadioButton1");

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jLabel1.setFont(new java.awt.Font("Ubuntu", 0, 36)); // NOI18N

```
jLabel1.setText("ALUNOS");
```

jList1.setModel(new javax.swing.AbstractListModel<String>() {

String[] strings = { "Aluno 1", "Aluno 2", "Aluno 3", "Aluno 4", "Aluno 5", "Aluno 6", "Aluno 7", "Aluno 8", "Aluno9" };

public int getSize() { return strings.length; }

public String getElementAt(int i) { return strings[i]; }

```
});
```
```
jScrollPane1.setViewportView(jList1);
```
```
btnAdicionar.setText("Adicionar");
```
```
btnExcluir.setText("Excluir");
```
```
btnVoltar.setText("Voltar");
```

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

```
getContentPane().setLayout(layout);
```
```
layout.setHorizontalGroup(
```

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

```
.addContainerGap()
```

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 191, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 77, Short.MAX_VALUE)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(btnAdicionar, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 116, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(btnExcluir, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 116, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(btnVoltar, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 116, javax.swing.GroupLayout.PREFERRED_SIZE))

```
.addContainerGap())
```

.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

```
.addComponent(jLabel1)
```
```
.addGap(112, 112, 112))
```
```
);
```
```
layout.setVerticalGroup(
```

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

```
.addContainerGap(26, Short.MAX_VALUE)
```
```
.addComponent(jLabel1)
```
```
.addGap(18, 18, 18)
```

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 211, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGroup(layout.createSequentialGroup()

```
.addComponent(btnAdicionar)
```
```
.addGap(18, 18, 18)
```
```
.addComponent(btnExcluir)
```

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

```
.addComponent(btnVoltar)))
```
```
.addContainerGap())
```
```
);
```
```
pack();
```
```
}// </editor-fold>
```
```
/**
```

* @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(MeusAlunos.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

```
} catch (InstantiationException ex) {
```

java.util.logging.Logger.getLogger(MeusAlunos.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

```
} catch (IllegalAccessException ex) {
```

java.util.logging.Logger.getLogger(MeusAlunos.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

} catch (javax.swing.UnsupportedLookAndFeelException ex) {

java.util.logging.Logger.getLogger(MeusAlunos.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

```
}
```
```
//</editor-fold>
```
```
/* Create and display the form */
```

java.awt.EventQueue.invokeLater(new Runnable() {

```
public void run() {
```
```
new MeusAlunos().setVisible(true);
```
```
}
```
```
});
```
```
}
```

// Variables declaration - do not modify

private javax.swing.JButton btnAdicionar;

private javax.swing.JButton btnExcluir;

```
private javax.swing.JButton btnVoltar;
```
```
private javax.swing.JLabel jLabel1;
```

private javax.swing.JList<String> jList1;

private javax.swing.JRadioButton jRadioButton1;

private javax.swing.JScrollPane jScrollPane1;

```
// End of variables declaration
```
```
private void atualizaAlunos() {
```

//ArrayList<String> bandas = new ArrayList<String>

ArrayList alunos = new ArrayList();
Connection conexao = Conexao.getInstance().sqlConnection;
//fill client list
String query = “SELECT nome, cpf FROM aluno”;
Statement stmt = null;
try{
stmt = conexao.createStatement();
ResultSet rs = stmt.executeQuery(query);
while(rs.next()){
String nome = rs.getString(“nome”);
String cpf = rs.getString(“cpf”);
//adiciona cliente na lista
aluno.add(new aluno(nome, cpf));
}
}catch(Exception e){
e.printStackTrace();
}
DefaultListModel listModel = new DefaultListModel();
- for(Alunos c : alunos){
- listModel.addElement(new String(c.getNome() + " - " + c.getCPF()));
- System.out.println("Aluno name: " + c.getNome());
- }
- listAlunos.setModel(listModel);
- }
- ```
}
```
- }

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