CLASS 12 PRACTICAL FILE IP (INFORMATION PRACTICES

7/25/2019 CLASS 12 PRACTICAL FILE IP (INFORMATION PRACTICES

1/10

ABC Consultancy is a placement organization,

assists job seekers. The Entry form has to be

designed to facilitate the Registration Process with

following features.

1. When Submit button is pressed, the following things should

happen.

a)

If Post Graduate is checked, the 10+2 & Graduate checkboxes should also get

selected automatically.b)

If Graduate is checked, the 10+2 checkbox should also get selected.c) A Message Box with Hello Mr. .. you are registered or Hello Miss .. you are

registered as per Gender of candidate.2. When Clear Button is pressed, all the text boxes, check boxes get

cleared, & Male and Science option is selected by default.


2/10

import javax.swing.JOptionPane;

private void submitBTNActionPerformed(java.awt.event.ActionEvent evt) {

String str ="Miss ",name=nameTF.getText();

if(postgradCB.isSelected()){

gradCB.setSelected(true);

tenplusCB.setSelected(true);

}if(gradCB.isSelected())

tenplusCB.setSelected(true);

if(maleRB.isSelected())


str="Mr.";

JOptionPane.showMessageDialog(this,"Hello "+str+name+"!! You are registered.");// TODO add your handling

code here:

}

private void clearBTNActionPerformed(java.awt.event.ActionEvent evt) {nameTF.setText(null);

sciRB.setSelected(true);

maleRB.setSelected(true);

tenplusCB.setSelected(false);

gradCB.setSelected(false);

postgradCB.setSelected(false);// TODO add your handling code here:

}


3/10

The Milton Casting Company has developed an

application to calculate the wage of its workers. The

following functionalities are expected.

1. The Wage rate are Rs. 150/- (per day) for male & Rs. 130/- for

females.2. An additional amount Rs. 50/- per day is paid if worker is skilled.

3. When Calculate Button is clicked the Total wage amount is

calculated & displayed in relevant Text box.

4. When Clear Button is clicked, all the text boxes get cleared & Male

option is selected.


4/10

private void calBTNActionPerformed(java.awt.event.ActionEvent evt) {

double amt=130,noofdays=Double.parseDouble(noofdaysTF.getText());


amt=150;

if(skilledCB.isSelected())

amt+=50;

amtTF.setText("Rs. "+(amt*noofdays));// TODO add your handling code here:

}

private void clearBTNActionPerformed(java.awt.event.ActionEvent evt) {

nameTF.setText(null);

noofdaysTF.setText(null);

amtTF.setText(null);

maleRB.setSelected(true);

skilledCB.setSelected(false);// TODO add your handling code here:

}


5/10

The Fashion Gallery-a leading garments shop wants

to develop an application to calculate the discount

amount. The following functionalities are expected.

1. The discount is given on the basis on payment mode.

Cash - 10%, Cheque - 8% & Credit - 5% of bill amount.

If Bill amount is more than 10,000 then additional 5% discount is

also given.

2. Initially, Calculate Net Amount is disabled, but when user click on

Calculate Discount button the discount amount is calculated &

displayed, & Calculate Net Amount Button is enabled.

3.

When Calculate Net Amount is clicked the Net Amount is calculated

& displayed in Net Amount Text Box.

4. When Exit Button is clicked, a Confirm dialog appears & application

is closed only when Yes option in confirm dialog is selected.


6/10


private void caldiscountBTNActionPerformed(java.awt.event.ActionEvent evt) {

int index=modeCB.getSelectedIndex();

double discount=0.05,billamt=Double.parseDouble(billamtTF.getText());

if(index==0)

discount=0.1;

if(index==1)

discount=0.08;

if(billamt>10000)

discount+=0.05;

discountTF.setText(""+(discount*billamt));

calnetamtBTN.setEnabled(true);// TODO add your handling code here:

}

private void calnetamtBTNActionPerformed(java.awt.event.ActionEvent evt) {

double billamt=Double.parseDouble(billamtTF.getText());

double discount=Double.parseDouble(discountTF.getText());

netamtTF.setText(""+(billamt-discount));// TODO add your handling code here:

}

private void exitBTNActionPerformed(java.awt.event.ActionEvent evt) {

int ans=JOptionPane.showConfirmDialog(this,"Are you sure you want to exit?");

if(ans==0)

System.exit(0);// TODO add your handling code here:

}


7/10

The Entertainment Paradise-A theater in Delhi

wants to develop a computerized Booking System.

The proposed Interface is given below. The theater

offers different types of seats. The Ticket rates are-

Stalls-Rs. 625/-, Circle-Rs. 750/-, Upper Class-Rs.850/- & Box-Rs. 1000/-.

A discount is given 10% of total amount if tickets are

purchased on Cash. In case of credit card holders 5%

discount is given.


8/10


private void closeBTNActionPerformed(java.awt.event.ActionEvent evt) {

int ans=JOptionPane.showConfirmDialog(this,"Are you sure you want to exit?");

if(ans==0)


}

private void calBTNActionPerformed(java.awt.event.ActionEvent evt) {

double rate=1000,discount=0.05;

int seat=Integer.parseInt(seatsTF.getText());

if(stallsRB.isSelected())

rate=625;

else if(circleRB.isSelected())

rate=750;

else if(upclassRB.isSelected())

rate=850;

if(cashRB.isSelected())discount=0.1;

totalamtTF.setText("Rs. "+(rate*seat));

discountTF.setText("Rs. "+(rate*seat*discount));

netamtTF.setText("Rs. "+(rate*seat*(1-discount)));// TODO add your handling code here:

}


9/10

Develop an application as per given screen shot to

Add, Remove the given members of list & display the

selected item in a text field using List control.


10/10

import javax.swing.DefaultListModel;


private void clearlistBTNActionPerformed(java.awt.event.ActionEvent evt) {

colorL.removeAll();// TODO add your handling code here:

}

private void closeBTNActionPerformed(java.awt.event.ActionEvent evt) {int ans=JOptionPane.showConfirmDialog(this,"Are you sure you want to exit?");

if(ans==0)


}

private void addBTNActionPerformed(java.awt.event.ActionEvent evt) {

DefaultListModel model=(DefaultListModel)colorL.getModel();

String add=addTF.getText();

model.addElement(add);// TODO add your handling code here:

}

private void removeBTNActionPerformed(java.awt.event.ActionEvent evt) {

DefaultListModel model=(DefaultListModel)colorL.getModel();

String remove=removeTF.getText();

model.removeElement(remove);// TODO add your handling code here:

}

private void colorLValueChanged(javax.swing.event.ListSelectionEvent evt) {

selectionTF.setText(colorL.getSelectedValue());// TODO add your handling code here:

}

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CLASS 12 PRACTICAL FILE IP (INFORMATION PRACTICES