Hi, What you ask for is difficult (This is not a basic question). Java does not have (to the best of my knowledge) inbuilt string expression evaluating capability. For this you will need to code (or download from the net) an infix to postfix convertor and a postfix evaluator.
Hardeep Singh ----- Original Message ----- From: "Huynh Tin" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, October 04, 2001 2:41 PM Subject: How could i calulate the string expression ? > Hi all ! > I'm sorry for my basic question. > Could anybody show me how i can calculate the expression. For example > if i write directly in sources codes as follow ...it's ok. i can get the > value of expression. > double md = (1+2)*3; > > But i have a string variable that contain "(1+2)*3"...for example. i do like > this > String msExp = "(1+2)*3"; > This is my problem . How could i calculte the value of the expression. > > Are there any function to do this or any example about this. > > Thank you for your helps > > Tin Huynh > > =========================================================================== > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > =========================================================================== To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
