INDEX
Sl. PROGRAMS PAGE SIGNATURE
No. NOS
1
1.Program to find the largest of 3 numbers
private void largebtnActionPerformed(java.awt.event.ActionEvent evt) {
int a,b,c,large;
a=Integer.parseInt(atf.getText());
b=Integer.parseInt(btf.getText());
c=Integer.parseInt(ctf.getText());
if (a>b && a>c)
msglbl.setText("Largest of 3 numbers is "+a);
else if (b>c)
msglbl.setText("Largest of 3 numbers is "+b);
else
msglbl.setText("Largest of 3 numbers is "+c);
}
private void exitbtnActionPerformed(java.awt.event.ActionEvent evt) {
System.exit(0);
}
private void clrbtnActionPerformed(java.awt.event.ActionEvent evt) {
atf.setText("");
2
btf.setText("");
ctf.setText("");
msglbl.setText("");
}
3
4
2.Program to generate a DATA FORM
private void genbtnActionPerformed(java.awt.event.ActionEvent evt) {
String text1= titlemrmrs.getText();
//text of titleTextfield stored in text1
String text2= firstname.getText();
//text of firstname stored in text2
String text3= lastname.getText();
//text of lastname stored in text3v
String text4= ctf.getText();
//text of ctf stored in text4
String text5= section.getText();
//text of section stored in text5
repta.append("student details"+"\n");
repta.append("Name: "+text1+ " "+text2+ " "+text3+"\n");
repta.append("class: "+text4+" "+text5);//TODO add your handling code here:
5
6
3.Program to perform ARITHMETIC
OPERATIONS
private void diffbtnActionPerformed(java.awt.event.ActionEvent evt) {
int n1=Integer.parseInt(n1tf.getText());
int n2=Integer.parseInt(n2tf.getText());
oplbl.setText("-");
int res=n1-n2;
restf.setText(""+res);
}
private void quobtnActionPerformed(java.awt.event.ActionEvent evt) {
float n1=Integer.parseInt(n1tf.getText());
float n2=Integer.parseInt(n2tf.getText());
oplbl.setText("/");
float res=n1/n2;
restf.setText(""+res);
}
private void probtnActionPerformed(java.awt.event.ActionEvent evt) {
int n1=Integer.parseInt(n1tf.getText());
int n2=Integer.parseInt(n2tf.getText());
oplbl.setText("*");
int res=n1*n2;
restf.setText(""+res);
}
7
private void rembtnActionPerformed(java.awt.event.ActionEvent evt) {
int n1=Integer.parseInt(n1tf.getText());
int n2=Integer.parseInt(n2tf.getText());
oplbl.setText("%");
int res=n1%n2;
restf.setText(""+res);
}
private void addbtnActionPerformed(java.awt.event.ActionEvent evt) {
int n1=Integer.parseInt(n1tf.getText());
int n2=Integer.parseInt(n2tf.getText());
oplbl.setText("+");
int res=n1+n2;
restf.setText(""+res);
}
8
9
10
4. Program to find theFACTORIAL of a
number
private void factbtnActionPerformed(java.awt.event.ActionEvent evt) {
long fact=1,i=1;
int n=Integer.parseInt(ntf.getText());
if (n==0){
fact=1;
}
else
while (i<=n){
fact*=i;
i++;
}
reslbl.setText("Factorial of "+n+" is "+fact);
}
11
12
5. Program to print a series using while-do
statement.
private void dispbtnActionPerformed(java.awt.event.ActionEvent evt) {
float i=10;
int cnt=1;
do{
resta.append(" "+i+",");
cnt++;
i+=3.5;
}while(cnt<=10);
13
14
6. Program to display text
private void okbtnActionPerformed(java.awt.event.ActionEvent evt) {
String name = nametf.getText();
msglbl.setText("Hello "+ name+", ALL THE BEST!!!");// TODO add your handling code
here:
}
private void cancbtnActionPerformed(java.awt.event.ActionEvent evt) {
String name = nametf.getText();
msglbl.setText("Bye "+ name);
15
16
7.Program to convert DIGIT TO WORD
private void gbtnActionPerformed(java.awt.event.ActionEvent evt) {
int num = Integer.parseInt(dtf.getText());
switch (num){
case 0 : wlbl.setText("You have entered : zero.");
break;
case 1 : wlbl.setText("You have entered : ONE.");
break;
case 2 : wlbl.setText("You have entered : TWO.");
break;
case 3 : wlbl.setText("You have entered : THREE.");
break;
case 4 : wlbl.setText("You have entered : FOUR.");
17
break;
case 5 : wlbl.setText("You have entered : FIVE.");
break;
case 6 : wlbl.setText("You have entered : SIX.");
break;
case 7 : wlbl.setText("You have entered : SEVEN.");
break;
case 8 : wlbl.setText("You have entered : EIGHT.");
break;
case 9 : wlbl.setText("You have entered : NINE.");
break;
default: wlbl.setText("Invalid Entry");
}
}
18
8.Program to print natural numbers and its
sum
private void compbtnActionPerformed(java.awt.event.ActionEvent evt) {
19
int sum=0;
for(int i=1;i<=15;i++)
{
nosta.append(""+i+" ");
sum+=i;
}
sumtf.setText("SUM of 15 natural numbers is"+sum);
}
private void exitbtnActionPerformed(java.awt.event.ActionEvent evt) {
System.exit(0);
}
20
9. Program on REGISTRATION FORM
private void clrbtnActionPerformed(java.awt.event.ActionEvent evt) {
detta.setText(null);
gcb.setSelected(false);
pcb.setSelected(false);
icb.setSelected(false);
mrb.setSelected(true);
21
frb.setSelected(false);
nametf.setText(null);
}
private void subbtnActionPerformed(java.awt.event.ActionEvent evt) {
String n=nametf.getText();
String q;
if (pcb.isSelected())
{
gcb.setSelected(true);
icb.setSelected(true);
q="Post Graduate";
}
else if (gcb.isSelected())
{
icb.setSelected(true);
q="Graduate";
}
else
q="Intermediate";
if (mrb.isSelected()){
detta.append("Name : "+ n.toUpperCase()+"\n" );
detta.append("Gender : Male\n");
detta.append("Qualification : "+q+"\n" );
detta.append(" Hello!! "+n.toUpperCase()+ "\nYou are registered Successfully"
);
}
if (frb.isSelected())
detta.append("Name : "+ n.toUpperCase()+"\n" );
detta.append("Gender : Female\n");
detta.append("Qualification : "+q+"\n" );
detta.append(" Hello!! "+n.toUpperCase()+ "\nYou are registered Successfully"
);
}
22
23
10. Program on PASSWORD FIELD
private void okbtnActionPerformed(java.awt.event.ActionEvent evt) {
String pwd=new String(pwdpf.getPassword());
if (pwd.equals("program"))
okbtn.setText("PROCEED");
else
okbtn.setText("INVALID");
}
24
25
1.Program on Ice-Cream and its cost using
LISTbox
private void iclistValueChanged(javax.swing.event.ListSelectionEvent evt) {
int i=iclist.getSelectedIndex();
String ic=(String) iclist.getSelectedValue();
switch(i){
case 0 : billlbl.setText("Cost of "+ic+ "is Rs. 25" ); break;
case 1 : billlbl.setText("Cost of "+ic+ "is Rs. 35" ); break;
case 2 : billlbl.setText("Cost of "+ic+ "is Rs. 30" ); break;
case 3 : billlbl.setText("Cost of "+ic+ "is Rs. 22" ); break;
case 4 : billlbl.setText("Cost of "+ic+ "is Rs. 27" ); break;
case 5 : billlbl.setText("Cost of "+ic+ "is Rs. 24" ); break;
case 6: billlbl.setText("Cost of "+ic+ "is Rs. 45" ); break;
case 7 : billlbl.setText("Cost of "+ic+ "is Rs. 55" ); break;
case 8 : billlbl.setText("Cost of "+ic+ "is Rs. 50" ); break;
case 9 : billlbl.setText("Cost of "+ic+ "is Rs. 75" ); break;
}
}
26
27
2. Program on Selection of city and no. of
days using combobox
private void citycbActionPerformed(java.awt.event.ActionEvent evt) {
String t=(String)citycb.getSelectedItem();
int len=citycb.getItemCount();
boolean exists=false;
for(int i=0;i<len;i++){
String item=(String) citycb.getItemAt(i);
exists=true;
break;
}
if (exists=false)
citycb.addItem(t);
sellbl.setText("Selected City :"+t);
}
private void dayscbActionPerformed(java.awt.event.ActionEvent evt) {
String t=sellbl.getText();
String dur=(String)dayscb.getSelectedItem();
sellbl.setText(t +"\t"+" Selected Duration :"+dur);
}
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