Make Table with Update,Delete,Reset Buttons in Java Swing

May 14, 2022

Make Table with Update,Delete,Reset Buttons in Java Swing

Make Table with Update,Delete,Reset Buttons in Java Swing:

https://youtu.be/Gk97GrM1z-M ________________________________________________ How to make Table with Update,Delete,Reset Buttons in Java Swing?

package Test;

import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;

public class InformationTable {
    public static void main(String[] args){

        JFrame frame = new JFrame("Information Table");
        frame.setBounds(600,100,500,300);
        frame.setVisible(true);
        frame.setLayout(null);
        
        JTable table = new JTable(); 
        Object[] columns = {"Id","First Name","Last Name","Age"};
        DefaultTableModel model = new DefaultTableModel();
        model.setColumnIdentifiers(columns);
        table.setModel(model);
        Object[] row = new Object[4];
        JScrollPane sp = new JScrollPane(table);
        sp.setBounds(0, 0, 480, 100);
        
        JLabel lblId = new JLabel("Id:");
        JLabel lblFname = new JLabel("First name:");
        JLabel lblLname = new JLabel("Last name:");
        JLabel lblAge = new JLabel("Age:");
        
        lblId.setBounds(10,130,15,25);
        lblFname.setBounds(10,160,100,25);
        lblLname.setBounds(10,190,100,25);
        lblAge.setBounds(10,220,100,25);

        JTextField txtId = new JTextField();
        JTextField txtFname = new JTextField();
        JTextField txtLname = new JTextField();
        JTextField txtAge = new JTextField();
        
        txtId.setBounds(100, 130, 100, 25);
        txtFname.setBounds(100, 160, 100, 25);
        txtLname.setBounds(100, 190, 100, 25);
        txtAge.setBounds(100, 220, 100, 25);
        
        JButton btnAdd = new JButton("Add");
        JButton btnDelete = new JButton("Delete");
        JButton btnUpdate = new JButton("Update");   
        JButton btnReset = new JButton("Reset");
        
        
        btnAdd.setBounds(220, 130, 100, 25);
        btnUpdate.setBounds(220, 160, 100, 25);
        btnDelete.setBounds(220, 190, 100, 25);
        btnReset.setBounds(220,220,100,25);

        
        
        


        btnAdd.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e) {
             
                row[0] = txtId.getText();
                row[1] = txtFname.getText();
                row[2] = txtLname.getText();
                row[3] = txtAge.getText();

                model.addRow(row);
            }
        });

        btnDelete.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e) {

                int i = table.getSelectedRow();
                if(i >= 0){
                    model.removeRow(i);
                }
                else{
                    System.out.println("Delete Error");
                }
            }
        });        
        table.addMouseListener(new MouseAdapter(){
        public void mouseClicked(MouseEvent e){           
            int i = table.getSelectedRow();          
            txtId.setText(model.getValueAt(i, 0).toString());
            txtFname.setText(model.getValueAt(i, 1).toString());
            txtLname.setText(model.getValueAt(i, 2).toString());
            txtAge.setText(model.getValueAt(i, 3).toString());
        }
        });
        btnUpdate.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e) {
            	
                int i = table.getSelectedRow();
                
                if(i >= 0) 
                {
                   model.setValueAt(txtId.getText(), i, 0);
                   model.setValueAt(txtFname.getText(), i, 1);
                   model.setValueAt(txtLname.getText(), i, 2);
                   model.setValueAt(txtAge.getText(), i, 3);
                }
                else{
                    System.out.println("Update Error");
                }
            }
        });  
        btnReset.addActionListener(new ActionListener() {
        	public void actionPerformed(ActionEvent e) {
        		txtId.setText("");
        		txtFname.setText("");
        		txtLname.setText("");
        		txtAge.setText("");
        	}
        });
        
        
        frame.add(sp);
        
        frame.add(lblId);
        frame.add(lblFname);
        frame.add(lblLname);
        frame.add(lblAge);
        
        frame.add(txtId);
        frame.add(txtFname);
        frame.add(txtLname);
        frame.add(txtAge);

        frame.add(btnAdd);
        frame.add(btnDelete);
        frame.add(btnUpdate);
        frame.add(btnReset);
        
        
    }
}