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Java Forum / General / February 2008double to string
hi, i want to know how to convert a doble value like this 98.34 to string 00009834 or 9.34 to 00000934 thanks a lot !!!!! > hi, i want to know how to convert a doble value like this 98.34 to > string 00009834 or 9.34 to 00000934 thanks a lot !!!!! http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Double.html#toString() > > hi, i want to know how to convert a doble value like this 98.34 to > > string 00009834 or 9.34 to 00000934 thanks a lot !!!!! > > http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Double.html#toString() thank you , but i read link and i tried to use NumberFormat , but i can't get an example how to use exactly the way i need... >>> hi, i want to know how to convert a doble value like this 98.34 to >>> string 00009834 or 9.34 to 00000934 thanks a lot !!!!! >> http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Double.html#toString() > > thank you , but i read link and i tried to use NumberFormat , but i > can't get an example how to use exactly the way i need... In that case I would just replace the "." with and empty string, count the remaining letters and add as many zeros as you need. >>> hi, i want to know how to convert a doble value like this 98.34 to >>> string 00009834 or 9.34 to 00000934 thanks a lot !!!!! >> http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Double.html#toString() > > thank you , but i read link and i tried to use NumberFormat , but i > can't get an example how to use exactly the way i need... final DecimalFormat df = new DecimalFormat("00000000"); df.setMultiplier(100);  SignatureJohn W. Kennedy If Bill Gates believes in "intelligent design", why can't he apply it to Windows? >hi, i want to know how to convert a doble value like this 98.34 to >string 00009834 or 9.34 to 00000934 thanks a lot !!!!! Check out the DecimalFormat class. SignatureTim Slattery Slattery_T@bls.gov http://members.cox.net/slatteryt >>hi, i want to know how to convert a doble value like this 98.34 to >>string 00009834 or 9.34 to 00000934 thanks a lot !!!!! > Check out the DecimalFormat class. I guess, it would be easier, if he(zamba) first multiplied with 100, and then used some integral format. >>> hi, i want to know how to convert a doble value like this 98.34 to >>> string 00009834 or 9.34 to 00000934 thanks a lot !!!!! >> Check out the DecimalFormat class. > > I guess, it would be easier, if he(zamba) first multiplied with > 100, and then used some integral format. DecimalFormat.setMultiplier() SignatureJohn W. Kennedy A proud member of the reality-based community. > hi, i want to know how to convert a doble value like this 98.34 to > string 00009834 or 9.34 to 00000934 thanks a lot !!!!! I think it goes something like this: assume you have a double n with a value of 9.34 which you want to display as 009.34 string. NumberFormat nf = NumberFormat.getNumberInstance(); //set the min digits before the decimal nf.setMinimumIntegerDigits(3); //set min digits after decimal nf.setMinimumFractionalDigits(2); String numberToShow = nf.format(n); //numberToShow will be your string >> hi, i want to know how to convert a doble value like this 98.34 to >> string 00009834 or 9.34 to 00000934 thanks a lot !!!!! [quoted text clipped - 10 lines] > String numberToShow = nf.format(n); > //numberToShow will be your string But to follow up: You would not format 98.34 to display as "00009834" because then it would not be the same number. >>> hi, i want to know how to convert a doble value like this 98.34 to >>> string 00009834 or 9.34 to 00000934 thanks a lot !!!!! [quoted text clipped - 12 lines] > But to follow up: You would not format 98.34 to display as "00009834" > because then it would not be the same number. How you format the number for display or storage has no effect on what the number is. Plenty of formats use implicit decimal points, so the OP would indeed have "the same number" given the implicit location of the decimal point. It is no more sensible to say the number is "not the same" than to say that the European-format "9,834" does not represent the same number as the American-format "9.834", or to claim that the European "9.834" does. SignatureLew Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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