Monday, October 13, 2014

mongo with netbeans

//DBManager.java------------------------------
package usermanager;

/*
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 * and open the template in the editor.
 */

import java.net.UnknownHostException;

import com.mongodb.DB;
import com.mongodb.MongoClient;

public class DBManager {
   private static DB database;
 
   public static DB getDatabase() {
      if (database == null) {
         MongoClient mongo;
       
         try {
            mongo = new MongoClient("localhost", 27017);
            database = mongo.getDB("usermanager");
         }
         catch (UnknownHostException e) {
            e.printStackTrace();
         }
      }
      return database;
   }
}
//===========================================
//User.java pojo class
/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package usermanager;


public class User {
   private int id;
   private String firstName;
   private String lastName;
   private String email;

   /**
    * @return the id
    */
   public int getId() {
      return id;
   }

   /**
    * @param id the id to set
    */
   public void setId(int id) {
      this.id = id;
   }

   /**
    * @return the firstName
    */
   public String getFirstName() {
      return firstName;
   }

   /**
    * @param firstName the firstName to set
    */
   public void setFirstName(String firstName) {
      this.firstName = firstName;
   }

   /**
    * @return the lastName
    */
   public String getLastName() {
      return lastName;
   }

   /**
    * @param lastName the lastName to set
    */
   public void setLastName(String lastName) {
      this.lastName = lastName;
   }

   /**
    * @return the email
    */
   public String getEmail() {
      return email;
   }

   /**
    * @param email the email to set
    */
   public void setEmail(String email) {
      this.email = email;
   }
}
//======================================
//Main2.java=== method 1
/*
 * 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.
 */
package usermanager;

import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
import com.mongodb.MongoException;
import com.mongodb.WriteResult;
import static com.sun.xml.internal.fastinfoset.alphabet.BuiltInRestrictedAlphabets.table;
import java.net.UnknownHostException;


//add delete update search.. everything works fine
public class Main2 extends javax.swing.JFrame {

   /**
    * Creates new form Main
    */
   public Main2() {
      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() {

      lblId = new javax.swing.JLabel();
      lblFirstName = new javax.swing.JLabel();
      lblLastName = new javax.swing.JLabel();
      lblEmail = new javax.swing.JLabel();
      txtId = new javax.swing.JTextField();
      txtFirstName = new javax.swing.JTextField();
      txtLastName = new javax.swing.JTextField();
      txtEmail = new javax.swing.JTextField();
      btnAddUser = new javax.swing.JButton();
      btnUpdateUser = new javax.swing.JButton();
      btnFindUser = new javax.swing.JButton();
      btnDeleteUser = new javax.swing.JButton();

      setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

      lblId.setText("ID");

      lblFirstName.setText("First Name");

      lblLastName.setText("Last Name");

      lblEmail.setText("Email");

      btnAddUser.setText("Add User");
      btnAddUser.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnAddUserActionPerformed(evt);
         }
      });

      btnUpdateUser.setText("Update User");
      btnUpdateUser.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnUpdateUserActionPerformed(evt);
         }
      });

      btnFindUser.setText("Find User");
      btnFindUser.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnFindUserActionPerformed(evt);
         }
      });

      btnDeleteUser.setText("Delete User");
      btnDeleteUser.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnDeleteUserActionPerformed(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()
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
               .addGroup(layout.createSequentialGroup()
                  .addGap(47, 47, 47)
                  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                     .addComponent(lblId)
                     .addComponent(lblEmail)
                     .addComponent(lblLastName)
                     .addComponent(lblFirstName))
                  .addGap(69, 69, 69)
                  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                     .addComponent(txtFirstName)
                     .addComponent(txtLastName)
                     .addComponent(txtEmail, javax.swing.GroupLayout.DEFAULT_SIZE, 96, Short.MAX_VALUE)
                     .addComponent(txtId)))
               .addGroup(layout.createSequentialGroup()
                  .addGap(107, 107, 107)
                  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                     .addComponent(btnAddUser)
                     .addComponent(btnFindUser))
                  .addGap(28, 28, 28)
                  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                     .addComponent(btnUpdateUser, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                     .addComponent(btnDeleteUser, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
            .addContainerGap(95, Short.MAX_VALUE))
      );
      layout.setVerticalGroup(
         layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(layout.createSequentialGroup()
            .addGap(72, 72, 72)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(lblId)
               .addComponent(txtId, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(18, 18, 18)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(lblFirstName)
               .addComponent(txtFirstName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(18, 18, 18)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
               .addComponent(lblLastName)
               .addComponent(txtLastName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(18, 18, 18)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(lblEmail)
               .addComponent(txtEmail, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(32, 32, 32)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(btnAddUser)
               .addComponent(btnUpdateUser))
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(btnFindUser)
               .addComponent(btnDeleteUser))
            .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
      );

      pack();
   }// </editor-fold>                        

   private void btnAddUserActionPerformed(java.awt.event.ActionEvent evt) {                                           
      // TODO add your handling code here:
      // Create user object
      User newUser = new User();
      newUser.setId(Integer.parseInt(txtId.getText()));
      newUser.setFirstName(txtFirstName.getText());
      newUser.setLastName(txtLastName.getText());
      newUser.setEmail(txtEmail.getText());
      
      // Get connection to the Collection
      DB userDB = DBManager.getDatabase();
      DBCollection col = userDB.getCollection("user");
      
      // Insert the Document
      BasicDBObject doc = new BasicDBObject();     
      doc.put("_id", newUser.getId());
      doc.put("firstName", newUser.getFirstName());
      doc.put("lastName", newUser.getLastName());
      doc.put("email", newUser.getEmail());      
      WriteResult result = col.insert(doc);
      
      System.out.println("Inserted...");
   }                                          

   private void btnUpdateUserActionPerformed(java.awt.event.ActionEvent evt) {                                              
      // TODO add your handling code here:
      // Create user object
      User newUser = new User();
      newUser.setId(Integer.parseInt(txtId.getText()));
      newUser.setFirstName(txtFirstName.getText());
      newUser.setLastName(txtLastName.getText());
      newUser.setEmail(txtEmail.getText());
      
      // Get connection to the Collection
      DB userDB = DBManager.getDatabase();
      DBCollection col = userDB.getCollection("user");
      
      // Search
      BasicDBObject query = new BasicDBObject();     
      query.put("_id", newUser.getId());
              
      // Update values
      BasicDBObject doc = new BasicDBObject(); 
      doc.put("firstName", newUser.getFirstName());
      doc.put("lastName", newUser.getLastName());
      doc.put("email", newUser.getEmail());    
      
      /* 
      // Method A
      // This will update all values, including all fields and values
      WriteResult result = col.update(query, doc);
      */
            
      //Method B
      // Update object only with the relevant fields using $set
      BasicDBObject updateObj = new BasicDBObject();
      updateObj.put("$set", doc);      
      WriteResult result = col.update(query, updateObj);
      
      System.out.println("Updated...");
   }                                             

   private void btnFindUserActionPerformed(java.awt.event.ActionEvent evt) {                                            
      // TODO add your handling code here:
      // Get connection to the Collection
      DB userDB = DBManager.getDatabase();
      DBCollection col = userDB.getCollection("user");
      
      // Search
      BasicDBObject searchQuery = new BasicDBObject();
searchQuery.put("_id", Integer.parseInt(txtId.getText()));
 
DBCursor cursor = col.find(searchQuery);  
      while (cursor.hasNext()) {
         // Access next object
         cursor.next();
         
         // Get the whole document printed in the console, if needed
         System.out.println(cursor.curr());  
         
         // Find by field and set to user object
         User newUser = new User();
         newUser.setId(Integer.parseInt(cursor.curr().get("_id").toString()));
         newUser.setFirstName(cursor.curr().get("firstName").toString());
         newUser.setLastName(cursor.curr().get("lastName").toString());
         newUser.setEmail(cursor.curr().get("email").toString());
         
         // Show in the form
         txtId.setText(String.valueOf(newUser.getId()));
         txtFirstName.setText(newUser.getFirstName());
         txtLastName.setText(newUser.getLastName());
         txtEmail.setText(newUser.getEmail());
      }      
   }                                           

   private void btnDeleteUserActionPerformed(java.awt.event.ActionEvent evt) {                                              
      // TODO add your handling code here:
      // Get connection to the Collection
      DB userDB = DBManager.getDatabase();
      DBCollection col = userDB.getCollection("user");
      
      try {
         BasicDBObject searchQuery = new BasicDBObject();
         searchQuery.put("_id", Integer.parseInt(txtId.getText()));
         col.remove(searchQuery);
         System.out.println("Deleted...");
      } catch (MongoException e) {
         e.printStackTrace();
      }
      
      // Empty the form
      txtId.setText("");
      txtFirstName.setText("");
      txtLastName.setText("");
      txtEmail.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(Main2.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
      } catch (InstantiationException ex) {
         java.util.logging.Logger.getLogger(Main2.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
      } catch (IllegalAccessException ex) {
         java.util.logging.Logger.getLogger(Main2.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
      } catch (javax.swing.UnsupportedLookAndFeelException ex) {
         java.util.logging.Logger.getLogger(Main2.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
      }
        //</editor-fold>
        //</editor-fold>

      /* Create and display the form */
      java.awt.EventQueue.invokeLater(new Runnable() {
         public void run() {
            new Main2().setVisible(true);
         }
      });
   }
   
   // Variables declaration - do not modify                     
   private javax.swing.JButton btnAddUser;
   private javax.swing.JButton btnDeleteUser;
   private javax.swing.JButton btnFindUser;
   private javax.swing.JButton btnUpdateUser;
   private javax.swing.JLabel lblEmail;
   private javax.swing.JLabel lblFirstName;
   private javax.swing.JLabel lblId;
   private javax.swing.JLabel lblLastName;
   private javax.swing.JTextField txtEmail;
   private javax.swing.JTextField txtFirstName;
   private javax.swing.JTextField txtId;
   private javax.swing.JTextField txtLastName;
   // End of variables declaration                   
}


///===================================================
//method 2 main3.java==not much imp
/*
 * 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.
 */
package usermanager;

import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
import com.mongodb.WriteResult;


public class Main3 extends javax.swing.JFrame {

   /**
    * Creates new form Main
    */
   public Main3() {
      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() {

      lblId = new javax.swing.JLabel();
      lblFirstName = new javax.swing.JLabel();
      lblLastName = new javax.swing.JLabel();
      txtId = new javax.swing.JTextField();
      txtFirstName = new javax.swing.JTextField();
      txtLastName = new javax.swing.JTextField();
      btnAddUser = new javax.swing.JButton();
      btnUpdateUser = new javax.swing.JButton();
      btnFindUser = new javax.swing.JButton();
      btnUpsertUser = new javax.swing.JButton();

      setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

      lblId.setText("ID");

      lblFirstName.setText("First Name");

      lblLastName.setText("Last Name");

      btnAddUser.setText("Add User");
      btnAddUser.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnAddUserActionPerformed(evt);
         }
      });

      btnUpdateUser.setText("Update User");
      btnUpdateUser.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnUpdateUserActionPerformed(evt);
         }
      });

      btnFindUser.setText("Find User");
      btnFindUser.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnFindUserActionPerformed(evt);
         }
      });

      btnUpsertUser.setText("Upsert User");
      btnUpsertUser.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnUpsertUserActionPerformed(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()
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
               .addGroup(layout.createSequentialGroup()
                  .addGap(47, 47, 47)
                  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                     .addComponent(lblId)
                     .addComponent(lblLastName)
                     .addComponent(lblFirstName))
                  .addGap(69, 69, 69)
                  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                     .addComponent(txtFirstName, javax.swing.GroupLayout.DEFAULT_SIZE, 96, Short.MAX_VALUE)
                     .addComponent(txtLastName)
                     .addComponent(txtId)))
               .addGroup(layout.createSequentialGroup()
                  .addGap(107, 107, 107)
                  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                     .addComponent(btnAddUser)
                     .addComponent(btnFindUser))
                  .addGap(28, 28, 28)
                  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                     .addComponent(btnUpsertUser)
                     .addComponent(btnUpdateUser))))
            .addContainerGap(95, Short.MAX_VALUE))
      );
      layout.setVerticalGroup(
         layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(layout.createSequentialGroup()
            .addGap(72, 72, 72)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(lblId)
               .addComponent(txtId, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(18, 18, 18)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(lblFirstName)
               .addComponent(txtFirstName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(18, 18, 18)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
               .addComponent(lblLastName)
               .addComponent(txtLastName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(67, 67, 67)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(btnAddUser)
               .addComponent(btnUpdateUser))
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(btnFindUser)
               .addComponent(btnUpsertUser))
            .addContainerGap(13, Short.MAX_VALUE))
      );

      pack();
   }// </editor-fold>                        

   private void btnAddUserActionPerformed(java.awt.event.ActionEvent evt) {                                           
      // TODO add your handling code here:      
      // Get connection to the Collection
      DB userDB = DBManager.getDatabase();
      DBCollection col = userDB.getCollection("user");      
      // Insert the Document
      BasicDBObject doc = new BasicDBObject();     
      doc.put("_id", Integer.parseInt(txtId.getText()));
      doc.put("firstName", txtFirstName.getText());
      doc.put("lastName", txtLastName.getText());    
      WriteResult result = col.insert(doc);
   }                                          

   private void btnUpdateUserActionPerformed(java.awt.event.ActionEvent evt) {                                              
      // Get connection to the Collection
      DB userDB = DBManager.getDatabase();
      DBCollection col = userDB.getCollection("user");      
      // Search
      BasicDBObject query = new BasicDBObject();     
      query.put("_id", Integer.parseInt(txtId.getText()));              
      // Update values
      BasicDBObject doc = new BasicDBObject(); 
      doc.put("firstName", txtFirstName.getText());
      doc.put("lastName", txtLastName.getText());      
      // Update object only with the relevant fields using $set
      BasicDBObject updateObj = new BasicDBObject();
      updateObj.put("$set", doc);      
      WriteResult result = col.update(query, updateObj);
   }                                             

   private void btnFindUserActionPerformed(java.awt.event.ActionEvent evt) {                                            
      // Get connection to the Collection
      DB userDB = DBManager.getDatabase();
      DBCollection col = userDB.getCollection("user");      
      // Search
      BasicDBObject searchQuery = new BasicDBObject();
searchQuery.put("_id", Integer.parseInt(txtId.getText()));
 
DBCursor cursor = col.find(searchQuery);  
      while (cursor.hasNext()) {         
         // Find by field and show in the form
         txtFirstName.setText(cursor.next().get("firstName").toString());
         txtLastName.setText(cursor.curr().get("lastName").toString());
      }
   }                                           

   private void btnUpsertUserActionPerformed(java.awt.event.ActionEvent evt) {                                              
      // Get connection to the Collection
      DB userDB = DBManager.getDatabase();
      DBCollection col = userDB.getCollection("user");      
      // Search
      BasicDBObject query = new BasicDBObject();     
      query.put("_id", Integer.parseInt(txtId.getText()));              
      // Update values
      BasicDBObject doc = new BasicDBObject(); 
      doc.put("firstName", txtFirstName.getText());
      doc.put("lastName", txtLastName.getText());      
      // Update object only with the relevant fields using $set
      BasicDBObject updateObj = new BasicDBObject();
      updateObj.put("$set", doc);      
      
      // Only difference is last two parameters
      /*Parameters:
      q - the selection criteria for the update
      o - the modifications to apply
      upsert - when true, inserts a document if no document matches the update query criteria
      multi - when true, updates all documents in the collection that 
               match the update query criteria, otherwise only updates one
      */
      WriteResult result = col.update(query, updateObj, true, false);
   }                                             

   /**
    * @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(Main3.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
      } catch (InstantiationException ex) {
         java.util.logging.Logger.getLogger(Main3.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
      } catch (IllegalAccessException ex) {
         java.util.logging.Logger.getLogger(Main3.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
      } catch (javax.swing.UnsupportedLookAndFeelException ex) {
         java.util.logging.Logger.getLogger(Main3.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
      }
        //</editor-fold>
        //</editor-fold>
        //</editor-fold>
        //</editor-fold>

      /* Create and display the form */
      java.awt.EventQueue.invokeLater(new Runnable() {
         public void run() {
            new Main3().setVisible(true);
         }
      });
   }
   
   // Variables declaration - do not modify                     
   private javax.swing.JButton btnAddUser;
   private javax.swing.JButton btnFindUser;
   private javax.swing.JButton btnUpdateUser;
   private javax.swing.JButton btnUpsertUser;
   private javax.swing.JLabel lblFirstName;
   private javax.swing.JLabel lblId;
   private javax.swing.JLabel lblLastName;
   private javax.swing.JTextField txtFirstName;
   private javax.swing.JTextField txtId;
   private javax.swing.JTextField txtLastName;
   // End of variables declaration                   
}




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