JAVA - How To Make MySQL Database Records Navigation Buttons [First - Next - Previous - Last] In JAVA Using NetBeans

JAVA - How To Make MySQL Database Navigation Buttons In Java Using NetBeans

In this java Tutorial we will see How To  Create Records Navigation Buttons MySQL
 Buttons MySQL database In Java NetBeans .

Project Source Code:

______________________________Users Class

package javadb_001;

public class Users {
    private int id;
    private String fname;
    private String lname;
    private int age;

    public Users(){}
    public Users(int _id,String _fname,String _lname,int _age){
        this.id = _id;
        this.fname = _fname;
        this.lname = _lname;
        this.age = _age;  
    }
    
    public int getId(){
     return this.id;
    }
    
    public String getFname(){
        return this.fname;
    }
    
    
    public String getLname(){
        return this.lname;
    }
    
    public int getAge(){
        return this.age;
    }
    
}

// END Users Class

_______________________________WorkClass Class


package javadb_001;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.*;
import javax.swing.*;
import java.util.ArrayList;
import java.util.List;
public class WorkClass {
    
       
  public static class frame extends JFrame{

          JLabel JL_fname,JL_lname,JL_age,JL_id;
          JTextField JT_fname,JT_lname,JT_age,JT_id;
          JButton btn_first,btn_next,btn_previous,btn_last;
          int pos = 0;


    //get the Connection With Mysql database
    public static Connection getConnection()      
    {
        Connection cn;
        try{
            cn = DriverManager.getConnection("jdbc:mysql://localhost/test_db","root","");
            return cn;
        }catch(Exception ex){
            ex.printStackTrace();
        }
        return null;
    }
    

    // bind a list with ResultSet
    public static List<Users> BindList(){
        try{
            Connection con = getConnection();
            Statement st = con.createStatement();
            ResultSet rs = st.executeQuery("select * from users");
            List<Users> list = new ArrayList<Users>();
            while(rs.next()){
                Users u = new Users(Integer.parseInt(rs.getString("id")),
                                    rs.getString("fname"),
                                    rs.getString("lname"),
                                    Integer.parseInt(rs.getString("age"))
                 );
                list.add(u);
            }
            return list;
        }catch(Exception ex){
            ex.printStackTrace();
        }
        return null;
    }
    

   //Showing the Users Info in jtexfields
    public void ShowPosInfo(int index){
        JT_id.setText(Integer.toString(BindList().get(index).getId()));
        JT_fname.setText(BindList().get(index).getFname());
        JT_lname.setText(BindList().get(index).getLname());
        JT_age.setText(Integer.toString(BindList().get(index).getAge()));
    }
    
    public frame(){
     super("Navigation");
     JL_id = new JLabel("Id:");
     JL_fname = new JLabel("Fname:");
     JL_lname = new JLabel("Lname:");
     JL_age = new JLabel("Age:");
     JL_id.setBounds(20, 20, 100, 20);
     JL_fname.setBounds(20, 50, 100, 20);
     JL_lname.setBounds(20, 80, 100, 20);
     JL_age.setBounds(20, 110, 100, 20);
     
     JT_id = new JTextField(20);
     JT_fname = new JTextField(20);
     JT_lname = new JTextField(20);
     JT_age = new JTextField(20);
     JT_id.setBounds(130,20,150,20);
     JT_fname.setBounds(130, 50, 150, 20);
     JT_lname.setBounds(130, 80, 150, 20);
     JT_age.setBounds(130, 110, 150, 20);
     btn_first = new JButton("First");
     btn_next = new JButton("Next");
     btn_previous = new JButton("Previous");
     btn_last = new JButton("Last");
     btn_first.setBounds(300, 20, 100, 20);
     btn_next.setBounds(300, 50, 100, 20);
     btn_previous.setBounds(300, 80, 100, 20);
     btn_last.setBounds(300, 110, 100, 20);
     
        

        // Button to show the Next user from the List
        btn_next.addActionListener(new ActionListener() {
          
         @Override
         public void actionPerformed(ActionEvent e) {
               pos++;
               if(pos < BindList().size()){
                   ShowPosInfo(pos);
               }
               else{
                   pos = BindList().size() - 1;
                   ShowPosInfo(pos);
                   JOptionPane.showMessageDialog(null, "END");
               }
         }
         
     });

        
        // Button to show the First user from the List
        btn_first.addActionListener(new ActionListener(){
        
        @Override
        public void actionPerformed(ActionEvent e){
             pos = 0;
             ShowPosInfo(pos);
        }
        });
        

        // Button to show the Last user from the List
        btn_last.addActionListener(new ActionListener(){
        
        @Override
        public void actionPerformed(ActionEvent e){
           
            pos = BindList().size() - 1;
            ShowPosInfo(pos);
        }
        });
                

         //Button to show the Previous user from the List

btn_previous.addActionListener(new ActionListener(){
        
        @Override
        public void actionPerformed(ActionEvent e){
          
            pos--;
            if(pos > 0){
                ShowPosInfo(pos);                
            }
            else{
                pos = 0;
                ShowPosInfo(pos);
                JOptionPane.showMessageDialog(null, "END");
            }
        }
        });
        
        ShowPosInfo(pos);
        add(btn_last);
        add(btn_first);
        add(btn_previous);
        add(btn_next);
        add(JT_id);
        add(JT_fname);
        add(JT_lname);
        add(JT_age);
        setLayout(null);
        getContentPane().setBackground(Color.decode("#bdb76b"));
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);
        setSize(500,200);
        setVisible(true);

    } 
    
    
     }  
       
       
 public static void main(String[] args){ 
     
       new frame();
 }
}

/////////////////////  END

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