Arrumamos os erros

src/.classpath

+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path=""/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="lib" path="/home/commander/Downloads/sqlite-jdbc-3.7.2.jar"/>
+	<classpathentry kind="output" path=""/>
+</classpath>

src/.gitignore

+/DAO.class
+/DAOinterface$1.class
+/DAOinterface.class
+/SQLiteJDBConnection.class
+/empresa.class
+/DAOInterface$1.class
+/DAOInterface.class
+/DAOInterface$2.class
+/Editando$1.class
+/Editando.class
+/Editando$2.class
+/Editando$3.class
+/DAOInterface$3.class
+/Empresa.class
+/TelaEmpresas$1.class
+/TelaEmpresas$2.class
+/TelaEmpresas$3.class
+/TelaEmpresas.class

src/.project

+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>src</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

src/bd/.gitignore

+/ConnectDataBase.class

src/bd/ConnectDataBase.java

+package bd;
+
+import java.io.File;
+import java.sql.Connection;
+import java.sql.DriverManager;
+
+public class ConnectDataBase {
+
+
+public Connection conexao()
+{
+	Connection c = null;
+    try 
+    {
+		File file =  new File("db_nutricao");
+		if(!file.exists()) 
+		{
+			  System.out.println("Banco de dados não encontrado");
+			  return null;
+		}
+		else
+		{
+			Class.forName("org.sqlite.JDBC");
+			c = DriverManager.getConnection("jdbc:sqlite:db_nutricao");
+		}
+		  
+
+    } 
+    catch ( Exception e ) {
+	      System.err.println( e.getClass().getName() + ": " + e.getMessage() );
+	      System.exit(0);
+    }
+    return c;
+}
+}
\ No newline at end of file

src/dao/.gitignore

+/DaoImpl.class
+/Dao.class

src/dao/Dao.java

+package dao;
+
+public interface Dao {
+
+}

src/dao/DaoImpl.java

+package dao;
+
+import bd.ConnectDataBase;
+import java.sql.Connection;
+
+
+public class DaoImpl {
+	private static ConnectDataBase connectDataBase;
+	private static Connection c;
+	
+	static public Connection getConnection(){
+		if(c == null){
+			connectDataBase = new ConnectDataBase();
+			c = connectDataBase.conexao();
+		}
+		return c;
+	}
+
+
+}
\ No newline at end of file

src/elemento/.gitignore

+/Elemento.class

src/elemento/Elemento.java

+package elemento;
+
+public class Elemento {
+	private String nome;
+	private int id;
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public String getNome() {
+		return nome;
+	}
+
+	public void setNome(String nome) {
+		this.nome = nome;
+	} 
+	
+
+}

src/elemento/dao/.gitignore

+/ElementoDaoImpl.class
+/ElementoDao.class

src/elemento/dao/ElementoDao.java

+package elemento.dao;
+
+public interface ElementoDao {
+
+}

src/elemento/dao/ElementoDaoImpl.java

+package elemento.dao;
+
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+import dao.DaoImpl;
+import elemento.Elemento;
+
+public class ElementoDaoImpl {
+	
+	 public void insert(Elemento e)
+	    {
+	    	String sql = "INSERT INTO elemento(nome,endereco) VALUES(?)";
+	    	try {
+	    		
+	            PreparedStatement pstmt = DaoImpl.getConnection().prepareStatement(sql);
+	      	    pstmt.setString(1, e.getNome());
+	            pstmt.executeUpdate();
+	        
+	        }catch (SQLException ex) {
+	            System.out.println(ex.getMessage());
+	        }
+	    	
+	    }
+	    public void update(Elemento e)
+	    {
+	    	String sql = "UPDATE elemento SET nome = '"+ e.getNome()+ "' WHERE id ="+ e.getId();
+	    	try {
+	    		
+	            PreparedStatement pstmt = DaoImpl.getConnection().prepareStatement(sql);
+	            pstmt.executeUpdate();
+	        
+	        }catch (SQLException es) {
+	            System.out.println(es.getMessage());
+	        }
+	    	
+	    }
+	    
+	    public void delete(Elemento e)
+	    {
+	    	String sql = "DELETE FROM elemento WHERE elemento.id ="+e.getId();
+	    	try {
+	            PreparedStatement pstmt = DaoImpl.getConnection().prepareStatement(sql);
+	            pstmt.executeUpdate();
+	        
+	        }catch (SQLException ex) {
+	            System.out.println(ex.getMessage());
+	        }
+	    	
+	    }
+	    public List<Elemento> retornaTodas() throws SQLException {
+			List<Elemento> elementos = new ArrayList<Elemento>();
+			String sql = "select * from elemento";
+				PreparedStatement stmt = DaoImpl.getConnection().prepareStatement(sql);
+				ResultSet rs = stmt.executeQuery();
+				while (rs.next()) {
+					Elemento e = new Elemento();
+					e.setNome(rs.getString("nome"));
+					elementos.add(e);
+				
+				}
+				rs.close();
+				stmt.close();
+
+			return elementos;
+		}
+}

src/empresa/.gitignore

+/Empresa.class

src/empresa/Empresa.java

+package empresa;
+
+public class Empresa {
+	int cnpj;
+	String nome;
+	String endereco;
+	String responsavel;
+	
+
+	public void setCnpj(int cnpj){
+		this.cnpj = cnpj;
+	}
+	
+	public void setNome(String nome){
+		this.nome = nome;
+	}
+	
+	public void setEndereco(String endereco){
+		this.endereco = endereco;
+	}
+	
+	public void setResponsavel(String responsavel){
+		this.responsavel = responsavel;
+	}
+	
+	public int getCnpj(){
+		return this.cnpj;
+	}
+	
+	public String getNome(){
+		return this.nome;
+	}
+	
+	public String getEndereco(){
+		return this.endereco;
+	}
+	
+	public String getResponsavel(){
+		return this.responsavel;
+	}
+}

src/empresa/dao/.gitignore

+/EmpresaDAO.class
+/EmpresaDAOImpl.class

src/empresa/dao/EmpresaDAO.java

+package empresa.dao;
+
+import empresa.Empresa;
+
+public interface EmpresaDAO {
+
+	 public void insert(Empresa empresa);
+	 public void delete(Empresa empresa);
+	
+}

src/empresa/dao/EmpresaDAOImpl.java

+package empresa.dao;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+import dao.DaoImpl;
+import empresa.Empresa;
+
+public class EmpresaDAOImpl implements EmpresaDAO {
+    public void insert(Empresa empresa)
+    {
+    	String sql = "INSERT INTO EMPRESA(cnpj,endereco,nome,responsavel_tecnico) VALUES(?,?,?,?)";
+    	try {
+    		
+            PreparedStatement pstmt = DaoImpl.getConnection().prepareStatement(sql);
+      	    pstmt.setInt(1, empresa.getCnpj());
+            pstmt.setString(2, empresa.getEndereco());
+            pstmt.setString(3, empresa.getNome());
+            pstmt.setString(4, empresa.getResponsavel());
+            pstmt.executeUpdate();
+        
+        }catch (SQLException e) {
+            System.out.println(e.getMessage());
+        }
+    	
+    }
+    public void update(Empresa empresa)
+    {
+    	String sql = "UPDATE EMPRESA SET nome = '"+ empresa.getNome()+ "',endereco = '"+ empresa.getEndereco()+ "',responsavel_tecnico= '"+empresa.getResponsavel()+"' WHERE CNPJ ="+ empresa.getCnpj();
+    	try {
+    		
+            PreparedStatement pstmt = DaoImpl.getConnection().prepareStatement(sql);
+            pstmt.executeUpdate();
+        
+        }catch (SQLException e) {
+            System.out.println(e.getMessage());
+        }
+    	
+    }
+    
+    public void delete(Empresa empresa)
+    {
+    	String sql = "DELETE FROM EMPRESA WHERE EMPRESA.CNPJ ="+empresa.getCnpj();
+    	try {
+            PreparedStatement pstmt = DaoImpl.getConnection().prepareStatement(sql);
+            pstmt.executeUpdate();
+        
+        }catch (SQLException e) {
+            System.out.println(e.getMessage());
+        }
+    	
+    }
+    public List<Empresa> retornaTodas() throws SQLException {
+		List<Empresa> empresas = new ArrayList<Empresa>();
+		String sql = "select * from empresa";
+			PreparedStatement stmt = DaoImpl.getConnection().prepareStatement(sql);
+			ResultSet rs = stmt.executeQuery();
+			while (rs.next()) {
+				Empresa e = new Empresa();
+				e.setCnpj(rs.getInt("CNPJ"));
+				e.setNome(rs.getString("nome"));
+				e.setEndereco(rs.getString("endereco"));
+				e.setResponsavel(rs.getString("responsavel_tecnico"));
+				empresas.add(e);
+			
+			}
+			rs.close();
+			stmt.close();
+
+		return empresas;
+	}
+}

src/empresa/janelas/.gitignore

+/EmpresaPrincipal$1.class
+/EmpresaPrincipal.class
+/EmpresaPrincipal$2.class
+/EmpresaCadastro$1.class
+/EmpresaCadastro.class
+/EmpresaPrincipal$3.class
+/EmpresaTableModel.class
+/FrameListener.class
+/EmpresaPrincipal$4.class
+/EmpresaPrincipal$5.class
+/EmpresaEditar$1.class
+/EmpresaEditar.class
+/EmpresaCadastro$2.class
+/EmpresaCadastro$3.class
+/EmpresaPrincipal$6.class

src/empresa/janelas/EmpresaCadastro.java

+package empresa.janelas;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
+
+import empresa.Empresa;
+import empresa.dao.EmpresaDAOImpl;
+import empresa.janelas.publicoAlvojanelas.PublicoAlvoPrincipal;
+import refeicao.janela.RefeicaoPrincipal;
+
+import javax.swing.UIManager;
+import javax.swing.JLabel;
+import java.awt.Font;
+import javax.swing.JTextField;
+import javax.swing.JButton;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.sql.SQLException;
+import java.awt.Color;
+
+public class EmpresaCadastro extends JFrame {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+	private JPanel contentPane;
+	private JTextField textField;
+	private JTextField textField_1;
+	private JTextField textField_2;
+	private JTextField textField_3;
+	private EmpresaPrincipal parent;
+	private JButton btnAdicionarPblicoAlvo;
+	private JButton btnAdicionarCardpio;
+
+	/**
+	 * Launch the application.
+	 */
+
+
+	/**
+	 * Create the frame.
+	 */
+	public EmpresaCadastro(EmpresaPrincipal p) {
+		parent=p;
+		setBackground(UIManager.getColor("CheckBox.focus"));
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		setBounds(100, 100, 450, 300);
+		contentPane = new JPanel();
+		contentPane.setBackground(UIManager.getColor("Button.darkShadow"));
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		setContentPane(contentPane);
+		contentPane.setLayout(null);
+		
+		JLabel lblCnpj = new JLabel("CNPJ: ");
+		lblCnpj.setBounds(12, 51, 80, 15);
+		lblCnpj.setFont(new Font("Ubuntu", Font.BOLD, 12));
+		contentPane.add(lblCnpj);
+		
+		JLabel lblNome = new JLabel("Nome: ");
+		lblNome.setBounds(12, 98, 40, 15);
+		lblNome.setFont(new Font("Ubuntu", Font.BOLD, 12));
+		contentPane.add(lblNome);
+		
+		JLabel lblEndereo = new JLabel("Endereço: ");
+		lblEndereo.setBounds(12, 148, 60, 15);
+		lblEndereo.setFont(new Font("Ubuntu", Font.BOLD, 12));
+		contentPane.add(lblEndereo);
+		
+		JLabel lblResponsvel = new JLabel("Responsável: ");
+		lblResponsvel.setBounds(12, 193, 80, 15);
+		lblResponsvel.setFont(new Font("Ubuntu", Font.BOLD, 12));
+		contentPane.add(lblResponsvel);
+		
+		textField = new JTextField();
+		textField.setBounds(115, 49, 114, 19);
+		contentPane.add(textField);
+		textField.setColumns(10);
+		
+		textField_1 = new JTextField();
+		textField_1.setBounds(115, 96, 114, 19);
+		contentPane.add(textField_1);
+		textField_1.setColumns(10);
+		
+		textField_2 = new JTextField();
+		textField_2.setFont(new Font("Ubuntu", Font.PLAIN, 12));
+		textField_2.setBounds(115, 146, 114, 19);
+		contentPane.add(textField_2);
+		textField_2.setColumns(10);
+		
+		textField_3 = new JTextField();
+		textField_3.setBounds(115, 191, 114, 19);
+		contentPane.add(textField_3);
+		textField_3.setColumns(10);
+		
+		JButton btnSalvar = new JButton("Salvar");
+		btnSalvar.setBackground(Color.WHITE);
+		btnSalvar.setFont(new Font("Ubuntu", Font.BOLD, 12));
+		btnSalvar.setBounds(308, 223, 117, 25);
+		contentPane.add(btnSalvar);
+		
+		btnAdicionarPblicoAlvo = new JButton("Adicionar Público Alvo");
+		btnAdicionarPblicoAlvo.setBackground(Color.WHITE);
+		btnAdicionarPblicoAlvo.setBounds(221, 12, 217, 25);
+		contentPane.add(btnAdicionarPblicoAlvo);
+		btnAdicionarPblicoAlvo.addActionListener(  
+				   new ActionListener(){  
+				      public void actionPerformed(ActionEvent evento){  
+				            try {
+								PublicoAlvoPrincipal publico = new PublicoAlvoPrincipal();
+								publico.setVisible(true);
+							} catch (SQLException e) {
+								// TODO Auto-generated catch block
+								e.printStackTrace();
+							}
+				             
+
+				      }  
+				   }  
+				);
+		
+		btnAdicionarCardpio = new JButton("Adicionar Refeição");
+		btnAdicionarCardpio.setBackground(Color.WHITE);
+		btnAdicionarCardpio.setBounds(12, 12, 197, 25);
+		btnAdicionarCardpio.addActionListener(  
+				   new ActionListener(){  
+				      public void actionPerformed(ActionEvent evento){  
+				            try {
+								RefeicaoPrincipal ref = new RefeicaoPrincipal();
+								ref.setVisible(true);
+							} catch (SQLException e) {
+								// TODO Auto-generated catch block
+								e.printStackTrace();
+							}
+				             
+
+				      }  
+				   }  
+				);
+		contentPane.add(btnAdicionarCardpio);
+		btnSalvar.addActionListener(  
+				   new ActionListener(){  
+				      public void actionPerformed(ActionEvent evento){  
+				             Empresa e = new Empresa();
+				             e.setCnpj(Integer.parseInt(textField.getText()));
+				             e.setNome(textField_1.getText());
+				             e.setEndereco(textField_2.getText());
+				             e.setResponsavel(textField_3.getText());
+				             EmpresaDAOImpl dao = new EmpresaDAOImpl();
+				             dao.insert(e);
+				             try {
+				            	 parent.atualizaTabela();
+							} catch (SQLException e1) {
+								// TODO Auto-generated catch block
+								e1.printStackTrace();
+							}
+				             dispose();
+				             
+
+				      }  
+				   }  
+				);
+		
+	}
+}

src/empresa/janelas/EmpresaEditar.java

+package empresa.janelas;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
+
+import empresa.Empresa;
+import empresa.dao.EmpresaDAOImpl;
+
+import javax.swing.UIManager;
+import javax.swing.JLabel;
+import java.awt.Font;
+import javax.swing.JTextField;
+import javax.swing.JButton;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.sql.SQLException;
+
+public class EmpresaEditar extends JFrame {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+	private JPanel contentPane;
+	private JTextField textField;
+	private JTextField textField_1;
+	private JTextField textField_2;
+	private JTextField textField_3;
+	private EmpresaPrincipal parent;
+	private Empresa empresa;
+
+	/**
+	 * Launch the application.
+	 */
+
+
+	/**
+	 * Create the frame.
+	 */
+	public EmpresaEditar(Empresa e, EmpresaPrincipal p) {
+		parent=p;
+		empresa = e;
+		setBackground(UIManager.getColor("CheckBox.focus"));
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		setBounds(100, 100, 450, 300);
+		contentPane = new JPanel();
+		contentPane.setBackground(UIManager.getColor("Button.darkShadow"));
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		setContentPane(contentPane);
+		contentPane.setLayout(null);
+		
+		
+		JLabel lblNome = new JLabel("Nome: ");
+		lblNome.setBounds(12, 98, 40, 15);
+		lblNome.setFont(new Font("Ubuntu", Font.BOLD, 12));
+		contentPane.add(lblNome);
+		
+		JLabel lblEndereo = new JLabel("Endereço: ");
+		lblEndereo.setBounds(12, 148, 60, 15);
+		lblEndereo.setFont(new Font("Ubuntu", Font.BOLD, 12));
+		contentPane.add(lblEndereo);
+		
+		JLabel lblResponsvel = new JLabel("Responsável: ");
+		lblResponsvel.setBounds(12, 193, 80, 15);
+		lblResponsvel.setFont(new Font("Ubuntu", Font.BOLD, 12));
+		contentPane.add(lblResponsvel);
+		
+		textField_1 = new JTextField();
+		textField_1.setBounds(115, 96, 114, 19);
+		contentPane.add(textField_1);
+		textField_1.setColumns(10);
+		
+		textField_2 = new JTextField();
+		textField_2.setFont(new Font("Ubuntu", Font.PLAIN, 12));
+		textField_2.setBounds(115, 146, 114, 19);