Display given number in words - Java Program

Q. Create a JSP page to accept a number from the user and display it in words.
Example: 123 - One Two Three.

Answer:

The index.html taking the number from the user and then change it into the words.

index.html

<!DOCTYPE html>
<html>
     <body>
          <form method=get action="test.jsp">
               Enter Any Number : <input type=text name=num><br><br>
               <input type=submit value="Display">
          </form>
     </body>
</html>


test.jsp

<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
    <body>
       <font color=red>
          <%! int i,n;
               String s1;
          %>
          <%   s1= request.getParameter("num");
               n=s1.length();
               i=0;
               do
               {
                    char ch=s1.charAt(i);
                    switch(ch)
                    {
                         case '0': out.println("Zero  ");
                              break;
                         case '1': out.println("One  ");
                              break;
                         case '2': out.println("Two  ");
                              break;
                         case '3': out.println("Three  ");
                              break;
                         case '4': out.println("Four ");
                              break;
                         case '5': out.println("Five  ");
                              break;
                         case '6': out.println("Six  ");
                              break;
                         case '7': out.println("Seven  ");
                              break;
                         case '8': out.println("Eight  ");
                              break;
                         case '9': out.println("Nine  ");
                              break;
                    }
                    i++;
               }
               while(i<n);
          %>
       </font>
   </body>
</html>


web.xml

<web-app>
     <servlet>
          <servlet-name>xyz</servlet-name>
          <jsp-file>/test.jsp</jsp-file>
     </servlet>
     <servlet-mapping>
          <servlet-name>xyz</servlet-name>
          <url-pattern>/test</url-pattern>
     </servlet-mapping>
     <welcome-file-list>  
          <welcome-file>index.html</welcome-file>  
     </welcome-file-list>  
</web-app>


Output:

change numbre

change numbre
▲