java swing programs

JAVA SWING PROGRAMS

1. JAVA Program to create Login Application connect another

frame.

SwingEx.java

package swings;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class SwingEx extends JFrame

{

private static final long serialVersionUID = 1L;

public SwingEx()

{

final JFrame frame=new JFrame("JPasswordField Demo");

JLabel lblUser=new JLabel("User Name : ");

final JTextField tfUser=new JTextField(20);

lblUser.setLabelFor(tfUser);

JLabel lblPassword=new JLabel("Password : ");

final JPasswordField pfPassword=new JPasswordField(20);

lblPassword.setLabelFor(pfPassword);

JButton btnCancel=new JButton("Cancel");

JButton btnClear=new JButton("Clear");

JButton btnLogin=new JButton("Submit");

btnCancel.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent arg0)

{

System.exit(0);

}

});

btnLogin.addActionListener(new ActionListener(){


{

String usr=tfUser.getText();

@SuppressWarnings("deprecation")

String pass=pfPassword.getText();

if(usr.equals("vivek") && pass.equals("12345"))

{

JOptionPane.showMessageDialog(null,"Login

Succesful.");

MenuDemo md=new MenuDemo();

md.setVisible(true);

md.setSize(500,500);

frame.setVisible(false);

}

else

{

//System.out.println("Will be performing

database operations Later");

JOptionPane.showMessageDialog(null,"Login

Failed\nInvalid User Name or Password");

}

}

});

btnClear.addActionListener(new ActionListener(){


{

tfUser.setText("");

pfPassword.setText("");

}

});

JPanel panel=new JPanel();

panel.setLayout(new FlowLayout());

panel.add(lblUser);

panel.add(tfUser);

panel.add(lblPassword);

panel.add(pfPassword);

panel.add(btnLogin);

panel.add(btnCancel);

panel.add(btnClear);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setSize(350,125);

frame.setResizable(false);

frame.getContentPane().add(panel);

frame.setVisible(true);

}

@SuppressWarnings("unused")

public static void main(String args[])

{

SwingEx s=new SwingEx();

}

}

MenuDemo.java

package swings;

import java.awt.BorderLayout;

import java.awt.Container;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.*;

import javax.naming.*;



public class MenuDemo extends JFrame

{


MenuDemo()

{

JMenuBar mb=new JMenuBar();

setJMenuBar(mb);

JMenu file=new JMenu("File");

JMenu edit=new JMenu("Edit");

JMenu format=new JMenu("Format");

JMenu Goto=new JMenu("Go To ");

mb.add(file);

mb.add(edit);

mb.add(format);

JMenuItem New=new JMenuItem("New");

JMenuItem open=new JMenuItem("Open File..");

JMenuItem save=new JMenuItem("Save");

JMenuItem saveas=new JMenuItem("Save As..");

JMenuItem cut=new JMenuItem("Cut");

JMenuItem copy=new JMenuItem("Copy");

JMenuItem paste=new JMenuItem("Paste");

JMenuItem font=new JMenuItem("Font");

JMenuItem forward=new JMenuItem("Forward");

JMenuItem backward=new JMenuItem("Backward");

JMenuItem exit=new JMenuItem("Exit");

JMenuItem pagesetup=new JMenuItem("Page Setup");

JMenuItem print=new JMenuItem("Print..");

Goto.add(forward);

Goto.add(backward);

file.add(New);

file.add(open);

open.addActionListener(new Open());

file.addSeparator();

file.add(save);

file.add(saveas);


file.add(pagesetup);

file.add(print);


file.add(exit);

edit.add(cut);

edit.add(copy);

edit.add(paste);

edit.addSeparator();

edit.add(Goto);

format.add(font);

}


{

MenuDemo m=new MenuDemo();

m.setSize(500,500);

m.setVisible(true);

}

}

-------------------------------------------------------------------

O/P:

-------------------------------------------------------------------

2. Program to Create Editor in java

Editor.java

package swings;

import java.awt.*;


import java.awt.datatransfer.*;

import java.io.*;

class Editor extends Frame

{


String filename;

TextArea tx;

Clipboard clip = getToolkit().getSystemClipboard();

Editor()

{

setLayout(new GridLayout(1,1));

tx = new TextArea();

add(tx);

MenuBar mb = new MenuBar();

Menu F = new Menu("file");

MenuItem n = new MenuItem("New");

MenuItem o = new MenuItem("Open");

MenuItem s = new MenuItem("Save");

MenuItem e = new MenuItem("Exit");

n.addActionListener(new New());

F.add(n);

o.addActionListener(new Open());

F.add(o);

s.addActionListener(new Save());

F.add(s);

e.addActionListener(new Exit());

F.add(e);

mb.add(F);

Menu E = new Menu("Edit");

MenuItem cut = new MenuItem("Cut");

MenuItem copy = new MenuItem("Copy");

MenuItem paste = new MenuItem("Paste");

cut.addActionListener(new Cut());

E.add(cut);

copy.addActionListener(new Copy());

E.add(copy);

paste.addActionListener(new Paste());

E.add(paste);

mb.add(E);

setMenuBar(mb);

mylistener mylist = new mylistener();

addWindowListener(mylist);

}

class mylistener extends WindowAdapter

{

public void windowClosing (WindowEvent e)

{

System.exit(0);

}

}

class New implements ActionListener

{

public void actionPerformed(ActionEvent e)

{

tx.setText(" ");

setTitle(filename);

}

}

class Open implements ActionListener

{



{

FileDialog fd = new FileDialog(Editor.this, "select File",FileDialog.LOAD);

fd.show();

if (fd.getFile()!=null)

{

filename = fd.getDirectory() + fd.getFile();

setTitle(filename);

ReadFile();

}

tx.requestFocus();

}

}

class Save implements ActionListener

{



{

FileDialog fd = new FileDialog(Editor.this,"Save File",FileDialog.SAVE);

fd.show();

if (fd.getFile()!=null)

{

filename = fd.getDirectory() + fd.getFile();

setTitle(filename);

try

{

DataOutputStream d = new DataOutputStream(new

FileOutputStream(filename));

String line = tx.getText();

BufferedReader br = new BufferedReader(new

StringReader(line));

while((line = br.readLine())!=null)

{

d.writeBytes(line + "\r\n");

d.close();

}

}

catch(Exception ex)

{

System.out.println("File not found");

}

tx.requestFocus();

}

}

}

class Exit implements ActionListener

{


{

System.exit(0);

}

}

void ReadFile()

{

BufferedReader d;

StringBuffer sb = new StringBuffer();

try

{

d = new BufferedReader(new FileReader(filename));

String line;

while((line=d.readLine())!=null)

sb.append(line + "\n");

tx.setText(sb.toString());

d.close();

}

catch(FileNotFoundException fe)

{

System.out.println("File not Found");

}

catch(IOException ioe){}

}

class Cut implements ActionListener

{


{

String sel = tx.getSelectedText();

StringSelection ss = new StringSelection(sel);

clip.setContents(ss,ss);

tx.replaceRange(" ",tx.getSelectionStart(),tx.getSelectionEnd());

}

}

class Copy implements ActionListener

{


{

String sel = tx.getSelectedText();

StringSelection clipString = new StringSelection(sel);

clip.setContents(clipString,clipString);

}

}

class Paste implements ActionListener

{


{

Transferable cliptran = clip.getContents(Editor.this);

try

{

String sel = (String) cliptran.getTransferData(DataFlavor.stringFlavor);

tx.replaceRange(sel,tx.getSelectionStart(),tx.getSelectionEnd());

}

catch(Exception exc)

{

System.out.println("not string flavour");

}

}

}



{

Frame f = new Editor();

f.setSize(500,400);

f.setVisible(true);

f.show();

}

}

o/p:

----------------------------------------------------

----------------------------------------------------

3. Construct Student registration form using swing use

appropriate control.

Probst.java

package swings;

import java.awt.*;



public class Probst

{

@SuppressWarnings({ "rawtypes", "unchecked" })

Probst()

{

JFrame frame=new JFrame("Strudent Record");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setLayout(null);

JLabel lblname=new JLabel("Name \t: ");

final JTextField txtname=new JTextField(50);

JLabel lblqualify=new JLabel("Qualification : ");

Object data[]={"Select Qualification","B.E(Comp)","MCA","BCA","B.

Tech.","Bsc. IT","M.Tech."};

@SuppressWarnings({ })

final JComboBox cb=new JComboBox(data);

JLabel lblsuboff=new JLabel("Subject Offered");

JLabel lblsubsel=new JLabel("Subject Selected");

Object suboff[]={"c","c++","Core Java","WCD","C#","ASP.Net"};

final DefaultListModel model=new DefaultListModel();

final JList offlist=new JList(suboff);

offlist.setVisibleRowCount(2);

final JList sellist=new JList(model);

JScrollPane jsp1=new JScrollPane();

JScrollPane jsp=new JScrollPane(offlist);

JButton btnadd=new JButton(">>");

btnadd.addActionListener(new ActionListener(){


{

model.addElement(offlist.getSelectedValue());

}

});

JButton btnremove=new JButton("

{

JOptionPane.showMessageDialog(null,"Ensure the

Student Name is\n Always in Block Letter");

}

}

});

JButton btncancel=new JButton("Cancel");

btncancel.addActionListener(new ActionListener(){


{

System.exit(0);

}

});

JButton btnreset=new JButton("Reset");

btnreset.addActionListener(new ActionListener(){


{

txtname.setText("");

cb.setSelectedIndex(0);

model.clear();

}

});

frame.add(lblname);

Dimension size=lblname.getPreferredSize();

lblname.setBounds(25,15,size.width,size.height);

frame.add(txtname);

txtname.setBounds(120,15,180,20);

frame.add(lblqualify);

lblqualify.setBounds(25,40,80,size.height);

frame.add(cb);

cb.setBounds(120,40,150,20);

frame.add(lblsuboff);

lblsuboff.setBounds(30,70,100,20);

frame.add(lblsubsel);

lblsubsel.setBounds(200,70,100,20);

frame.add(offlist);

frame.add(jsp);

jsp.getViewport().add(offlist);

offlist.setBounds(25,90,100,70);

jsp.setBounds(25,90,100,70);

frame.add(btnadd);

btnadd.setBounds(140,93,50,20);

frame.add(btnremove);

btnremove.setBounds(140,125,50,20);

frame.add(sellist);

frame.add(jsp1);

jsp1.getViewport().add(sellist);

sellist.setBounds(200,90,100,70);

jsp1.setBounds(200,90,100,70);

frame.add(btnregister);

btnregister.setBounds(25,170,85,20);

frame.add(btncancel);

btncancel.setBounds(125,170,80,20);

frame.add(btnreset);

btnreset.setBounds(220,170,80,20);

frame.setVisible(true);

frame.setSize(325,230);

frame.setResizable(false);

}


public static void main(String[] args)

{

Probst st=new Probst();

}

}

O/P: -------------------------------------------------------------------

-------------------------------------------------------------------

4. Create GUI application to accept basic salary details from

user like basic salary, HRA, DA, PF, I-TAX to find total salary

and salary in hand.

LePs2.java

package swings;



@SuppressWarnings("serial")

public class LePs2 extends JFrame

{

double hra=0;

double da=0;

double tsal=0;

double bsal=0;

double sihand=0;

double pf=0;

double itax=0;

LePs2()

{

this.setLayout(null);

JLabel lblname=new JLabel("Name");

JTextField txtname=new JTextField(20);

JLabel lblbsal=new JLabel("Basic Salary");

final JTextField txtbsal=new JTextField(20);

JLabel lbltsal=new JLabel("Total salary");

final JTextField txttsal=new JTextField(20);

txttsal.setEditable(false);

JLabel lblhra=new JLabel("HRA");

final JCheckBox cbhra=new JCheckBox();

JLabel lblda=new JLabel("DA");

final JCheckBox cbda=new JCheckBox();

JLabel lblpf=new JLabel("PF");

JLabel lblitax=new JLabel("I-Tax");

final JCheckBox cbpf=new JCheckBox();

final JCheckBox cbitax=new JCheckBox();

JLabel lblsalinhand=new JLabel("Salary in Hand");

final JTextField txtsalinhand=new JTextField(50);

txtsalinhand.setEditable(false);

JButton btncalculate=new JButton("Calculate");

btncalculate.addActionListener(new ActionListener(){

@Override


{

boolean b = false;

try

{

bsal=Double.parseDouble(txtbsal.getText());

}

catch(Exception e)

{

b=true;

}

hra=bsal*0.10;

da=bsal*0.15;

if(b==true)

{

JOptionPane.showMessageDialog(null,"Enter

Integers Only.");

}

else if(cbhra.isSelected() && cbda.isSelected())

{

tsal=bsal+hra+da;

txttsal.setText(String.valueOf(tsal));

}

else if(cbhra.isSelected() && (cbda.isSelected()==false))

{

tsal=bsal+hra;


}

else if(cbda.isSelected() && (cbhra.isSelected()==false))

{

tsal=bsal+da;


}

else

{

tsal=bsal;


}

pf=tsal*0.12;

itax=tsal*0.02;

if(cbpf.isSelected() && cbitax.isSelected())

{

sihand=tsal-(pf+itax);

txtsalinhand.setText(String.valueOf(sihand));

}

else if(cbpf.isSelected() && (cbitax.isSelected()==false))

{

sihand=tsal-pf;


}

else if(cbitax.isSelected() && (cbpf.isSelected()==false))

{

sihand=tsal-itax;


}

else

{

sihand=tsal;


}

}

});

this.add(lblname);

lblname.setBounds(25,20,40,20);

this.add(txtname);

txtname.setBounds(110,20,120,20);

this.add(lblbsal);

lblbsal.setBounds(25,50,100,20);

this.add(txtbsal);

txtbsal.setBounds(110,50,120,20);

this.add(lblhra);

lblhra.setBounds(25,75,40,20);

this.add(cbhra);

cbhra.setBounds(65,75,20,20);

this.add(lblda);

lblda.setBounds(25,100,40,20);

this.add(cbda);

cbda.setBounds(65,100,20,20);

this.add(lbltsal);

lbltsal.setBounds(25,125,100,20);

this.add(txttsal);

txttsal.setBounds(110,125,120,20);

this.add(lblpf);

lblpf.setBounds(25,160,40,20);

this.add(cbpf);

cbpf.setBounds(65,160,20,20);

this.add(lblitax);

lblitax.setBounds(25,185,40,20);

this.add(cbitax);

cbitax.setBounds(65,185,20,20);

this.add(lblsalinhand);

lblsalinhand.setBounds(25,215,120,20);

this.add(txtsalinhand);

txtsalinhand.setBounds(110,215,120,20);

this.add(btncalculate);

btncalculate.setBounds(70,250,100,20);

}

public static boolean isNumb(String str)

{

String s=str;

for (int i = 0; i < s.length(); i++) {

//If we find a non-digit character we return false.

if (!Character.isDigit(s.charAt(i)))

return false;

}

return true;

}

public static void main(String[] args)

{

LePs2 ab=new LePs2();

ab.setVisible(true);

ab.setSize(260,320);

ab.setResizable(false);

}

}

O/P:

----------------------------------------------------

----------------------------------------------------

java swing programs

Documents