Slip4
Q1. Write a java
program to display “Hello Java” message n times on the screen. (Use Runnable
Interface).
class
mythread implements Runnable
{
Thread
t;
public
mythread(String title)
{
t=new
Thread(this,title);
t.start();
}
public
void run()
{
for(int
i=0;i<50;i++)
{
System.out.println((i+1)+"ThreadName:"+Thread.currentThread().getName());
try
{
Thread.sleep(100);
}
catch(Exception
e)
{
}
}
}
}
public
class thread5
{
public
static void main(String a [])
{
System.out.println("ThreadName:"+Thread.currentThread().getName());
mythread
mt=new mythread("Hello Java");
}
}
Q2. Write a
JSP program to create an online shopping mall. User must be allowed to do
purchase from two pages. Each page should have a page total. The third page
should display a bill, which consists of a page total of whatever the purchase
has been done and print the total.
(Use Session)
Page1.html
<form
method='post' action='page1.jsp'>
<h3>Page
1</h3>
<h4>Select
Your Product:</h4>
<input
type='checkbox' name='prod' value=10>Pencil<br>
<input
type='checkbox' name='prod' value=30>Pen<br>
<input
type='checkbox' name='prod' value=5>Eraser<br>
<input
type='checkbox' name='prod' value=8>Scale<br>
<input
type='checkbox' name='prod' value=45>Note Book<br>
<input
type='submit'><input type='reset'>
</form>
page1.jsp
<%
String
s[] = request.getParameterValues("prod");
int
tot=0;
for(int
i=0;i<s.length;i++){
tot+=Integer.parseInt(s[i]);
}
session.setAttribute("tot1",
tot);
response.sendRedirect("Page2.html");
%>
Page2.html
<form
method='post' action='page2.jsp'>
<h3>Page
2</h3>
<h4>Select
Your Product:</h4>
<input
type='checkbox' name='prod' value=1300>Jeans<br>
<input
type='checkbox' name='prod' value=500>Shirt<br>
<input
type='checkbox' name='prod' value=2500>Saree<br>
<input
type='checkbox' name='prod' value=750>Trouser<br>
<input
type='checkbox' name='prod' value=400>T-Shirt<br>
<input
type='submit'><input type='reset'>
</form>
page2.jsp
<%
String
s[] = request.getParameterValues("prod");
int
tot=0;
for(int
i=0;i<s.length;i++){
tot+=Integer.parseInt(s[i]);
}
int
tot1 = Integer.parseInt(session.getAttribute("tot1").toString());
%>
<table
border=1>
<tr><td><b>Page
1:</b></td><td>Rs.<%=tot1%>/-</td></tr>
<tr><td><b>Page
2:</b></td><td>Rs.<%=tot%>/-</td></tr>
<tr><td><b>Grand
Total:</b></td><td>Rs.<%=tot1+tot%>/-</td></tr>
</table>
