Java - jMenuBar,jMenu,jMenuItem,JSeparator

How To Use MenuBar, Menu, MenuItem, Separator In Java NetBeans

java MenuBar, Menu, MenuItem, Separator



In this Java Tutorial we will see How To Add And Use JMenuBar, JMenu, JMenuItem, 
JSeparator In Java NetBeans .




Project Source Code:

package javaapplication1;

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

    /**
     * Creates new form Java_MenuBar
     */
    public Java_MenuBar() {
        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() {

        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu3 = new javax.swing.JMenu();
        jMenuItem1 = new javax.swing.JMenuItem();
        jMenuItem3 = new javax.swing.JMenuItem();
        jSeparator1 = new javax.swing.JPopupMenu.Separator();
        jMenuItem2 = new javax.swing.JMenuItem();
        jMenuItem_Save = new javax.swing.JMenuItem();
        jMenu1 = new javax.swing.JMenu();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jMenu3.setText("File");

        jMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/save.png"))); // NOI18N
        jMenuItem1.setText("Save");
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem1ActionPerformed(evt);
            }
        });
        jMenu3.add(jMenuItem1);

        jMenuItem3.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/add.png"))); // NOI18N
        jMenuItem3.setText("Add");
        jMenu3.add(jMenuItem3);
        jMenu3.add(jSeparator1);

        jMenuItem2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/edit.png"))); // NOI18N
        jMenuItem2.setText("Edit");
        jMenu3.add(jMenuItem2);

        jMenuItem_Save.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/close.png"))); // NOI18N
        jMenuItem_Save.setText("Delete");
        jMenu3.add(jMenuItem_Save);

        jMenuBar1.add(jMenu3);

        jMenu1.setText("Dev");
        jMenuBar1.add(jMenu1);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 616, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 398, Short.MAX_VALUE)
        );

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

    private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {                                           
        
        System.out.println("Save");
        
    }                                          

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

    // Variables declaration - do not modify                     
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenu jMenu3;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JMenuItem jMenuItem1;
    private javax.swing.JMenuItem jMenuItem2;
    private javax.swing.JMenuItem jMenuItem3;
    private javax.swing.JMenuItem jMenuItem_Save;
    private javax.swing.JPopupMenu.Separator jSeparator1;
    // End of variables declaration                   
}



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



Netbeans Using MenuBar, Menu, MenuItem, Separator

Java - Change JLabel Font Size

How To Change JLabel Font Size Using JSlider In Java NetBeans

java change jlabel font size



In this Java Tutorial we will see How To Change A JLabel Text Font Size Using A JSlider So The Image Size Will Depend On The JSider Value using Java NetBeans .




Project Source Code:

package javaapplication1;

import java.awt.BorderLayout;
import java.awt.Font;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;

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

    /**
     * Creates new form Java_JSider_Resize_Text
     */
    public Java_JSider_Resize_Text() {
        initComponents();
        jPanel1.setLayout(new BorderLayout());
        lbl.setHorizontalAlignment(SwingUtilities.CENTER);
        lbl.setVerticalAlignment(SwingUtilities.CENTER);
        jPanel1.add(lbl, BorderLayout.CENTER);
        jSlider_FontSize.setValue(lbl.getFont().getSize());
    }

    JLabel lbl = new JLabel("Message");
    
    /**
     * 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() {

        jSlider_FontSize = new javax.swing.JSlider();
        jPanel1 = new javax.swing.JPanel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jSlider_FontSize.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jSlider_FontSize.setForeground(new java.awt.Color(51, 51, 255));
        jSlider_FontSize.setMajorTickSpacing(10);
        jSlider_FontSize.setMaximum(150);
        jSlider_FontSize.setPaintLabels(true);
        jSlider_FontSize.setPaintTicks(true);
        jSlider_FontSize.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(javax.swing.event.ChangeEvent evt) {
                jSlider_FontSizeStateChanged(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 0, Short.MAX_VALUE)
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 352, Short.MAX_VALUE)
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jSlider_FontSize, javax.swing.GroupLayout.DEFAULT_SIZE, 645, Short.MAX_VALUE)
                .addContainerGap())
            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGap(18, 18, 18)
                .addComponent(jSlider_FontSize, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );

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

    private void jSlider_FontSizeStateChanged(javax.swing.event.ChangeEvent evt) {                                              
        
        lbl.setFont(new Font(lbl.getFont().getName(), lbl.getFont().getStyle(), jSlider_FontSize.getValue()));
        
    }                                             

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

    // Variables declaration - do not modify                     
    private javax.swing.JPanel jPanel1;
    private javax.swing.JSlider jSlider_FontSize;
    // End of variables declaration                   
}



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



java change jabel font size using jslider

Java - Using JSlider

How To Use JSlider In Java NetBeans

java using jslider in netbeans



In this Java Tutorial we will see How To Add A JSlider To Your Window And How To 

Use It And His Value And Display It  using Java NetBeans .




Project Source Code:

package javaapplication1;

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

    /**
     * Creates new form Java_JSlider
     */
    public Java_JSlider() {
        initComponents();
    }
    
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jSlider1 = new javax.swing.JSlider();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jSlider1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
        jSlider1.setForeground(new java.awt.Color(255, 0, 102));
        jSlider1.setMajorTickSpacing(10);
        jSlider1.setPaintLabels(true);
        jSlider1.setPaintTicks(true);
        jSlider1.setValue(0);
        jSlider1.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(javax.swing.event.ChangeEvent evt) {
                jSlider1StateChanged(evt);
            }
        });

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        jLabel1.setText("0");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(206, 206, 206)
                .addComponent(jLabel1)
                .addContainerGap(290, Short.MAX_VALUE))
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jSlider1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(20, 20, 20)
                .addComponent(jSlider1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(79, 79, 79)
                .addComponent(jLabel1)
                .addContainerGap(61, Short.MAX_VALUE))
        );

        jLabel1.getAccessibleContext().setAccessibleName("JLblVal");

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

    private void jSlider1StateChanged(javax.swing.event.ChangeEvent evt) {                                   
        jLabel1.setText(Integer.toString(jSlider1.getValue()));
        
    }                                     

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

    // Variables declaration - do not modify                     
    private javax.swing.JLabel jLabel1;
    private javax.swing.JSlider jSlider1;
    // End of variables declaration                   
}


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



netbeans jslider

C# - Populate ComboBox With Files Name

C# - How To Fill ComboBox With Files Names Using C#

c# bind combobox with files names


In This C# Tutorial  We Will See How To Bind A Combobox With Files Names 
In CSharp Programming Language.


Project Source Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace WindowsFormsApplication1
{
    public partial class Form11 : Form
    {
        public Form11()
        {
            InitializeComponent();
        }

        private void Form11_Load(object sender, EventArgs e)
        {
            string path = @"C:\Users\Directory\Folder";
            DataTable table = new DataTable();
            table.Columns.Add("File Name");
            table.Columns.Add("File Path");

            string[] files = Directory.GetFiles(path);

           for(int i = 0; i < files.Length; i++)
            {
                FileInfo file = new FileInfo(files[i]);
                table.Rows.Add(file.Name, path + "\\" + file.Name);
            }

            // using foreach loop

            DirectoryInfo dir = new DirectoryInfo(path);
            foreach(FileInfo fileInf in dir.GetFiles())
            {
                table.Rows.Add(fileInf.Name, path + "\\" + fileInf.Name);
            } 

            comboBox1.DataSource = table;
            comboBox1.DisplayMember = "File Name";
            comboBox1.ValueMember = "File Path";

        }
    }
}

C# - Resize Image Using TrackBar

C# - How To Change PictureBox Size Using TrackBar In C#

c# resize picturebox


In This C# Tutorial  We Will See How To Resize PictureBox Width And Height Using TrackBar In CSharp Programming Language.


Project Source Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form14 : Form
    {
        public Form14()
        {
            InitializeComponent();
        }
        //Width
        private void trackBar1_Scroll(object sender, EventArgs e)
        {
            pictureBox1.Size = new Size(trackBar1.Value, pictureBox1.Size.Height);
            pictureBox1.Left = (this.ClientSize.Width - pictureBox1.Width) / 2;
            pictureBox1.Top = (this.ClientSize.Height - pictureBox1.Height) / 2;
        }
        //Height
        private void trackBar2_Scroll(object sender, EventArgs e)
        {
            pictureBox1.Size = new Size(pictureBox1.Size.Width, trackBar2.Value);
            pictureBox1.Left = (this.ClientSize.Width - pictureBox1.Width) / 2;
            pictureBox1.Top = (this.ClientSize.Height - pictureBox1.Height) / 2;
        }

        private void Form14_Load(object sender, EventArgs e)
        {
            trackBar1.Value = pictureBox1.Size.Width;
            trackBar2.Value = pictureBox1.Size.Height;
            pictureBox1.Left = (this.ClientSize.Width - pictureBox1.Width) / 2;
            pictureBox1.Top = (this.ClientSize.Height - pictureBox1.Height) / 2;
        }
    }
}

OutPut :

c# resize picturebox using trackbar

C# - Resize Label Font Using TrackBar

C# - How To Change Label Font Size Using TrackBar In C#

change label font size


In This C# Tutorial  We Will See How To Resize label Font Size Using TrackBar 
In CSharp Programming Language.


Project Source Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form13 : Form
    {
        public Form13()
        {
            InitializeComponent();
        }

        private void Form13_Load(object sender, EventArgs e)
        {

            trackBar1.Value = (int)label_MSG.Font.Size;

        }

        private void trackBar1_Scroll(object sender, EventArgs e)
        {
            label_MSG.Font = new Font(label_MSG.Font.FontFamily, trackBar1.Value);
        }
    }
}


C# TrackBar

C# - How To Use TrackBar In C#

c# trackbar


In This C# Tutorial  We Will See How To Use TrackBar Using CSharp Programming Language.


Project Source Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form12 : Form
    {
        public Form12()
        {
            InitializeComponent();
        }

        private void Form12_Load(object sender, EventArgs e)
        {
            trackBar1.Value = int.Parse(label1.Text);
        }

        private void trackBar1_Scroll(object sender, EventArgs e)
        {
            label1.Text = trackBar1.Value.ToString();
        }
    }
}

C# - Remove File And Directory

C# - How to Delete File And Folder Using C#

deete file or folder using c#


In This C# Tutorial  We Will See How To Delete File Or A Folder From A Path String Using CSharp Programming Language.


Project Source Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace WindowsFormsApplication1
{
    public partial class Form10 : Form
    {
        public Form10()
        {
            InitializeComponent();
        }

        private void BTN_RemoveFile_Click(object sender, EventArgs e)
        {
            string filepath = textBox1.Text;

            if (File.Exists(filepath))
            {

                File.Delete(filepath);
                MessageBox.Show("File Deleted");
                   
            }
            else
            {

                MessageBox.Show("File Not Deleted");

            }
        }

        private void BTN_RemoveFolder_Click(object sender, EventArgs e)
        {
            string folderepath = textBox2.Text;

            if (Directory.Exists(folderepath))
            {

                Directory.Delete(folderepath, true);
                MessageBox.Show("Folder Deleted");

            }
            else
            {
                MessageBox.Show("Folder Not Deleted");
            }
        }
    }
}