single text field calculator
Write
a jsp program to implement the single text field calculator.
calculator.html
<html>
<title>calculator</title>
<head><h1><center>Basic Calculator</center></h1></head>
<body>
<center>
<form action="calculator.jsp" method="get">
<label for="num1"><b>Number 1</b></label>
<input type="text" name ="num1"><br><br>
<label for = "num2"><b>Number 2</b></label>
<input type="text" name="num2"><br><br>
<input type ="radio" name = "r1" value="Add">+
<input type = "radio" name = "r1" value="Sub">-<br>
<input type="radio" name="r1" value ="mul">*
<input type = "radio" name="r1" value="div">/<br><br>
<input type="submit" value="submit">
</center>
</body>
</html>
Calculate.jsp
<title>calculator</title>
<head><h1><center>Basic Calculator</center></h1></head>
<body>
<center>
<form action="calculator.jsp" method="get">
<label for="num1"><b>Number 1</b></label>
<input type="text" name ="num1"><br><br>
<label for = "num2"><b>Number 2</b></label>
<input type="text" name="num2"><br><br>
<input type ="radio" name = "r1" value="Add">+
<input type = "radio" name = "r1" value="Sub">-<br>
<input type="radio" name="r1" value ="mul">*
<input type = "radio" name="r1" value="div">/<br><br>
<input type="submit" value="submit">
</center>
</body>
</html>
Calculate.jsp
<html>
<title>calculator</title>
<head></head>
<body>
<%@page language="java"%>
<%
int num1 = Integer.parseInt(request.getParameter("num1"));
int num2 = Integer.parseInt(request.getParameter("num2"));
String operation = request.getParameter("r1");
if(operation.equals("Add")){
int add=num1+num2;
out.println("Addition is: "+add);
}
else if(operation.equals("Sub")){
int sub=num1-num2;
out.println("Substraction is: "+sub);
}
else if(operation.equals("mul")){
int mul=num1*num2;
out.println("multiplication is: "+mul);
}
else if(operation.equals("div"))
{
int div = num1/num2;
if(num1>=num2)
out.println("division is: "+div);
else
out.println("The division cannot be performed");
}
%>
</body>
</html>
web.xml
<web-app>
</web-app>
posted by siddu @ March 03, 2018
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