Java Swing (GUI) Programming: From Beginner to Expert


                            
                           Watch The Course Introduction


                       
           Instructor : John Purcell
           Lectures   : 93
           Hours        : 14
           Students   > 8,600
           Rating       : 4.7/5
Learn how to create desktop and Internet GUI Java programs and take your Java programming to the next level.

You Will Learn:
  • Learn how to write GUI (graphical user interface) applications in Java
  • Discover how to create database applications
  • Understand the Java Swing framework

Review Example:




The Complete Web Developer Course 2.0


                               
                           Watch The Course Introduction


                       
           Instructor : Rob Percival
           Lectures   : 304
           Hours        : 30
           Students   > 97,000
           Rating        : 4.6/5

The Complete Web Developer Course 2.0

You Will Learn:
  • Build websites and webapps
  • Build HTML-based mobile apps
  • Get a job as a junior web developer
  • Bid for projects on freelance websites
  • Start their own online business
  • Be a comfortable front-end developer
  • Be proficient with databases and server-side languages
Review Example:




VB.NET - How To Change A DataGridView Row Color In VB

VB - How To Change A DataGridView Row Back Color In VB.NET


vb change datagridview row color


In This VB.NET Tutorial We Will See How To  Cahange A DataGridView Row BackGround Color Based On A Column Value In VB.NET Programming Language .


Project Source Code:

Public Class VB_Datagridview_Rows_Color
    ' Create a new datatable
    Dim table As New DataTable("Table")
    Private Sub VB_Datagridview_Rows_Color_Load(sender As Object, e As EventArgs) Handles MyBase.Load

        ' Add columns to your datatable, 
        ' with the name of the columns and their type 

        table.Columns.Add("Id", Type.GetType("System.Int32"))
        table.Columns.Add("First Name", Type.GetType("System.String"))
        table.Columns.Add("Last Name", Type.GetType("System.String"))
        table.Columns.Add("Age", Type.GetType("System.Int32"))

        ' Add rows to the datatable with some data
        table.Rows.Add(1, "XXXX", "YYYYY", 21)
        table.Rows.Add(2, "SSDD", "hGSQ", 5)
        table.Rows.Add(4, "cvfghyghj", "sdrgtyh", 19)
        table.Rows.Add(5, "hghfd", "ghjgdf", 36)
        table.Rows.Add(6, "cvvdfgh", "juyrfdvc", 3)
        table.Rows.Add(1, "XXXX", "YYYYY", 0)
        table.Rows.Add(2, "SSDD", "hGSQ", 12)
        table.Rows.Add(3, "fgfgd", "jgfdd", 0)
        table.Rows.Add(4, "cvfghyghj", "sdrgtyh", 9)
        table.Rows.Add(5, "hghfd", "ghjgdf", 1)
        table.Rows.Add(6, "cvvdfgh", "juyrfdvc", 32)
        table.Rows.Add(1, "XXXX", "YYYYY", 7)
        table.Rows.Add(2, "SSDD", "hGSQ", 1)
        table.Rows.Add(3, "fgfgd", "jgfdd", 14)
        table.Rows.Add(4, "cvfghyghj", "sdrgtyh", 0)
        table.Rows.Add(5, "hghfd", "ghjgdf", 33)
        table.Rows.Add(6, "cvvdfgh", "juyrfdvc", 21)
        table.Rows.Add(1, "XXXX", "YYYYY", 2)
        table.Rows.Add(2, "SSDD", "hGSQ", 18)
        table.Rows.Add(3, "fgfgd", "jgfdd", 45)
        table.Rows.Add(4, "cvfghyghj", "sdrgtyh", 4)
      

        ' now set the datagridview datasource equals to your datatable name
        DataGridView1.DataSource = table


        RowsColor()
    End Sub

    Public Sub RowsColor()

        For i As Integer = 0 To DataGridView1.Rows.Count() - 1 Step +1
            Dim val As Integer
            val = DataGridView1.Rows(i).Cells(3).Value
            If val < 5 Then
                DataGridView1.Rows(i).DefaultCellStyle.BackColor = Color.Red
                If val = 0 Then
                    Timer1.Start()
                End If
            ElseIf val >= 5 And val < 10 Then
                DataGridView1.Rows(i).DefaultCellStyle.BackColor = Color.Orange
            ElseIf val >= 10 And val < 15 Then
                DataGridView1.Rows(i).DefaultCellStyle.BackColor = Color.Yellow
            Else
                DataGridView1.Rows(i).DefaultCellStyle.BackColor = Color.LightGreen
            End If
        Next
    End Sub

    ' if val = 0
    Private Sub Timer1_Tick(sender As Object, e As EventArgs) Handles Timer1.Tick
        For i As Integer = 0 To DataGridView1.Rows.Count() - 1 Step +1
            Dim val As Integer
            val = DataGridView1.Rows(i).Cells(3).Value
            If val = 0 Then
                If DataGridView1.Rows(i).DefaultCellStyle.BackColor = Color.Red Then
                    DataGridView1.Rows(i).DefaultCellStyle.BackColor = Color.White
                ElseIf DataGridView1.Rows(i).DefaultCellStyle.BackColor = Color.White Then
                    DataGridView1.Rows(i).DefaultCellStyle.BackColor = Color.Red
                End If
            End If
        Next
    End Sub
End Class

///////////////OUTPUT:

vb change datagridview row back color
vb change datagridview row back color

Java JTable - How To Get JTable Column Average Value In Java NetBeans

How To Calculate JTable Column Average Value In Java 

jtable average column value

In this java Tutorial we will see How To Calculate JTable Column Average Value And Display It In JTextFields In Java NetBeans .



Project Source Code:

package java_tutorials;

/**
 *
 * @author 1BestCsharp
 */
public class Java_JTable_Column_Average_Value extends javax.swing.JFrame {

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

    
    public void getAverage()
    {
        float sum = 0;
        for(int i = 0; i < jTable1.getRowCount(); i++)
        {
            sum = sum + Integer.parseInt(jTable1.getValueAt(i, 3).toString());
        }
        
        float avg = sum / jTable1.getRowCount();
        jTextField1.setText(Float.toString(avg));
    }
    
    
    
    /**
     * 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() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jTextField1 = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTable1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {"1", "dcd", "ABC", "42"},
                {"2", "ss", "rtyh", "14"},
                {"3", "fs", "jhg", "62"},
                {"4", "ynjhdg", "fg", "14"},
                {"5", "uyt", "èiuy", "17"},
                {"6", "nb", "oop", "26"},
                {"7", "yui", "lkjh", "27"},
                {"8", "rtyu", "jhg", "39"},
                {"9", "jhgf", "dfg", "56"},
                {"10", "gdsfe", "èiuytre", "46"}
            },
            new String [] {
                "Id", "First Name", "Last Name", "Age"
            }
        ));
        jTable1.setRowHeight(30);
        jScrollPane1.setViewportView(jTable1);

        jTextField1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        jLabel1.setText("Avg :");

        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, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(104, 104, 104)
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 156, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(22, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(25, 25, 25)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 334, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(27, Short.MAX_VALUE))
        );

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

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

    // Variables declaration - do not modify                     
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextField1;
    // End of variables declaration                   
}



////////////////OutPut

jtable column average value
JTable Average Column Value

Java JTable - How To Get JTable Column Maximum Value In Java NetBeans

How To Calculate JTable Column Max Value In Java NetBeans

jtable maximum column value

In this java Tutorial we will see How To Calculate JTable Column Max Value And Display It In JTextFields In Java NetBeans .



Project Source Code:

package java_tutorials;

import java.util.ArrayList;
import java.util.Collections;

/**
 *
 * @author 1BestCsharp
 */
public class Java_JTable_Column_Max_Value extends javax.swing.JFrame {

    /**
     * Creates new form Java_JTable_Column_Max_Value
     */
    public Java_JTable_Column_Max_Value() {
        initComponents();
        getMax2();
    }

    // Method 1
    public void getMax()
    {
        ArrayList<Integer> list = new ArrayList<Integer>();
        for(int i = 0; i < jTable1.getRowCount(); i++)
        {
            list.add(Integer.parseInt(jTable1.getValueAt(i, 3).toString()));
        }
        
        int max = Collections.max(list);
        jTextField1.setText(Integer.toString(max));
    }
    
// Method 2
    public void getMax2()
    {
        int max2 = 0;
        
        for(int i = 0; i < jTable1.getRowCount(); i++)
        {
          int val = Integer.parseInt(jTable1.getValueAt(i, 3).toString());
          if(val > max2)
          {
              max2 = val;
          }
        }
         jTextField1.setText(Integer.toString(max2));
    }
    
    
    
    
    
    
    /**
     * 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() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jTextField1 = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTable1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {"1", "dcd", "ABC", "42"},
                {"2", "ss", "rtyh", "14"},
                {"3", "fs", "jhg", "62"},
                {"4", "ynjhdg", "fg", "14"},
                {"5", "uyt", "èiuy", "17"},
                {"6", "nb", "oop", "26"},
                {"7", "yui", "lkjh", "27"},
                {"8", "rtyu", "jhg", "39"},
                {"9", "jhgf", "dfg", "56"},
                {"10", "gdsfe", "èiuytre", "46"}
            },
            new String [] {
                "Id", "First Name", "Last Name", "Age"
            }
        ));
        jTable1.setRowHeight(30);
        jScrollPane1.setViewportView(jTable1);

        jTextField1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        jLabel1.setText("Max :");

        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, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(104, 104, 104)
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 156, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(25, 25, 25)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 334, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

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

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

    // Variables declaration - do not modify                     
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextField1;
    // End of variables declaration                   
}


////////////////OutPut
jtable maximum column value
jtable maximum column value


Java JTable - How To Get JTable Column Minimum Value In Java NetBeans

How To Calculate JTable Column Min Value In Java NetBeans

jtable minimum column value

In this java Tutorial we will see How To Calculate JTable Column Min Value And Display It In JTextFields In Java NetBeans .


Project Source Code:

package java_tutorials;

import java.util.ArrayList;
import java.util.Collections;

/**
 *
 * @author 1BestCsharp
 */
public class Java_JTable_Column_Min_Value extends javax.swing.JFrame {

    /**
     * Creates new form Java_JTable_Column_Min_Value
     */
    public Java_JTable_Column_Min_Value() {
        initComponents();
        getMin2();
    }
    
    // Methode 1
    public void getMin()
    {
        ArrayList<Integer> list = new ArrayList<Integer>();
        
        for(int i = 0; i < jTable1.getRowCount(); i++)
        {
            list.add(Integer.parseInt(jTable1.getValueAt(i, 3).toString()));
        }
        
        int min = Collections.min(list);
        jTextField1.setText(Integer.toString(min));
    }
    
    // Methode 2
    public void getMin2()
    {
        int min2 = 0;
        for(int i = 0; i < jTable1.getRowCount(); i++)
        {
            if(i == 0)
            {
                min2 = Integer.parseInt(jTable1.getValueAt(i, 3).toString());
            }
            else{
                int val = Integer.parseInt(jTable1.getValueAt(i, 3).toString());
                if(min2 > val)
                {
                    min2 = val;
                }
            }
        }
         jTextField1.setText(Integer.toString(min2));
        
    }
    
    

    /**
     * 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() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jTextField1 = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTable1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {"1", "dcd", "ABC", "42"},
                {"2", "ss", "rtyh", "14"},
                {"3", "fs", "jhg", "62"},
                {"4", "ynjhdg", "fg", "14"},
                {"5", "uyt", "èiuy", "17"},
                {"6", "nb", "oop", "26"},
                {"7", "yui", "lkjh", "27"},
                {"8", "rtyu", "jhg", "39"},
                {"9", "jhgf", "dfg", "56"},
                {"10", "gdsfe", "èiuytre", "46"}
            },
            new String [] {
                "Id", "First Name", "Last Name", "Age"
            }
        ));
        jTable1.setRowHeight(30);
        jScrollPane1.setViewportView(jTable1);

        jTextField1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        jLabel1.setText("Min :");

        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, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(104, 104, 104)
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 156, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(25, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(25, 25, 25)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 334, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(21, Short.MAX_VALUE))
        );

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

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

    // Variables declaration - do not modify                     
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextField1;
    // End of variables declaration                   
}


////////////////OutPut
jtable column minimum  value
Java JTable Minimum Column Value


Java JTable - How To Get The Sum Of JTable Column Values In Java NetBeans

How To Calculate JTable Column Values Sum In Java

jtable column values sum

In this java Tutorial we will see How To Calculate JTable Column Values Sum And Display It In JTextFields In Java NetBeans .



Project Source Code:

package java_tutorials;

/**
 *
 * @author 1BestCsharp
 */
public class Java_JTable_Column_Values_Sum extends javax.swing.JFrame {

    /**
     * Creates new form Java_JTable_Column_Values_Sum
     */
    public Java_JTable_Column_Values_Sum() {
        initComponents();
        // cal get sum function
        getSum();
    }

    
    public void getSum()
    {
        int sum = 0;
        for(int i = 0; i < jTable1.getRowCount(); i++)
        {
            sum = sum + Integer.parseInt(jTable1.getValueAt(i, 3).toString());
        }
        
        jTextField1.setText(Integer.toString(sum));
    }
    
    
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jTextField1 = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTable1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {"1", "dcd", "ABC", "42"},
                {"2", "ss", "rtyh", "14"},
                {"3", "fs", "jhg", "62"},
                {"4", "ynjhdg", "fg", "14"},
                {"5", "uyt", "èiuy", "17"},
                {"6", "nb", "oop", "26"},
                {"7", "yui", "lkjh", "27"},
                {"8", "rtyu", "jhg", "39"},
                {"9", "jhgf", "dfg", "56"},
                {"10", "gdsfe", "èiuytre", "46"}
            },
            new String [] {
                "Id", "First Name", "Last Name", "Age"
            }
        ));
        jTable1.setRowHeight(30);
        jScrollPane1.setViewportView(jTable1);

        jTextField1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        jLabel1.setText("Sum :");

        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, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(104, 104, 104)
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 156, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(25, 25, 25)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 28, Short.MAX_VALUE)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 334, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(39, 39, 39))
        );

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

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

    // Variables declaration - do not modify                     
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextField1;
    // End of variables declaration                   
}

////////////////OutPut

java jtable column values sum
java jtable column values sum