JAVA - How To Update A JTable Row Using JOptionPane.showInputDialog In Java NetBeans

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In This Java Code We Will See How To Update A JTable Row Using JOptionPane showInputDialog In Java Programming Language.

Project Source Code:

package java_tutorials;

import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;

/**
* @author 1bestcsharp.blogspot.com
*/
public class Java_JTable_Update_Row_Using_JOptionPane extends javax.swing.JFrame {

/** Creates new form Java_JTable_Update_Row_Using_JOptionPane */
public Java_JTable_Update_Row_Using_JOptionPane() {
initComponents();
}

@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {

jScrollPane1 = new javax.swing.JScrollPane();
jTable1 = new javax.swing.JTable();
Btn_UpdateRow = new javax.swing.JButton();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jTable1.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
{"1", "gfdferghty", "aghgh", "900"},
{"2", "hiuytrefd", "hjyuèhdsc", "00"},
{"3", "uitefgh", "uiytebgh", "-100"},
{"4", "fhjuyhgfd", "bfdrtyui", "33"},
{"5", "uytre", "iuytrfbhnj", "50"}
},
new String [] {
"Id", "First Name", "Last Name", "Age"
}
));
jScrollPane1.setViewportView(jTable1);

Btn_UpdateRow.setText("Update Row");
Btn_UpdateRow.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
Btn_UpdateRowActionPerformed(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()
.addContainerGap()
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 447, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(172, 172, 172)
.addComponent(Btn_UpdateRow, javax.swing.GroupLayout.PREFERRED_SIZE, 109, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(15, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(37, Short.MAX_VALUE)
.addComponent(Btn_UpdateRow, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 248, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(26, 26, 26))
);

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

// button update selected row
private void Btn_UpdateRowActionPerformed(java.awt.event.ActionEvent evt) {

DefaultTableModel model = (DefaultTableModel)jTable1.getModel();

// get selected row index
int selectedRowIndex = jTable1.getSelectedRow();

// get selected row data
String id = model.getValueAt(selectedRowIndex, 0).toString();
String fname = model.getValueAt(selectedRowIndex, 1).toString();
String lname = model.getValueAt(selectedRowIndex, 2).toString();
String age = model.getValueAt(selectedRowIndex, 3).toString();

// get the entered data
String NewID = JOptionPane.showInputDialog(null,"Enter The New Id",id);
String NewFN = JOptionPane.showInputDialog(null,"Enter The New First Name",fname);
String NewLN = JOptionPane.showInputDialog(null,"Enter The New Last Name",lname);
String NewAge = JOptionPane.showInputDialog(null,"Enter The New Age",age);

// set the new data into jtable row
model.setValueAt(NewID, selectedRowIndex, 0);
model.setValueAt(NewFN, selectedRowIndex, 1);
model.setValueAt(NewLN, selectedRowIndex, 2);
model.setValueAt(NewAge, selectedRowIndex,3);
}

/**
* @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(Java_JTable_Update_Row_Using_JOptionPane.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Java_JTable_Update_Row_Using_JOptionPane.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Java_JTable_Update_Row_Using_JOptionPane.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Java_JTable_Update_Row_Using_JOptionPane.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 Java_JTable_Update_Row_Using_JOptionPane().setVisible(true);
}
});
}

// Variables declaration - do not modify
private javax.swing.JButton Btn_UpdateRow;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTable jTable1;
// End of variables declaration

}

////////OUTPUT:

jtable update row using joptionpane

Another Project Source Code:

package javaapp;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;

public class Woirk extends JFrame {

Object[] columns = {"ID","First Name","Last Name","Age"};
Object[][] rows = {{1,"AA","BB",20},{2,"CC","DD",30},{3,"EE","FF",40},{4,"GG","HH",50}};

public Woirk(){

super("JFrame Name");

JTable table = new JTable();

JScrollPane pane = new JScrollPane();

JButton button = new JButton("Upadate Row");

JPanel panel = new JPanel(new BorderLayout());

DefaultTableModel model = (DefaultTableModel)table.getModel();

//set data to the model
model.setDataVector(rows, columns);

pane.setViewportView(table);

panel.add(pane,BorderLayout.NORTH);

panel.add(button,BorderLayout.SOUTH);

button.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {

String id;
String fn;
String ln;
String age;

//get values from yours showInputDialog
id = JOptionPane.showInputDialog("Enter Your ID");
fn = JOptionPane.showInputDialog("Enter Your First Name");
ln = JOptionPane.showInputDialog("Enter Your Last Name");
age = JOptionPane.showInputDialog("Enter Your Age");

//get the selected row index
int i = table.getSelectedRow();

//set values to the specific place in jtable
model.setValueAt(id, i, 0);
model.setValueAt(fn, i, 1);
model.setValueAt(ln, i, 2);
model.setValueAt(age, i, 3);
}
});


setContentPane(panel);
setSize(800, 500);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);
setVisible(true);
}

public static void main(String[] args){

new Woirk();
}
}

////////OUTPUT: