1. Java: how to check that a string is parsable to a double? stackoverflow.comIs there a native way (preferably without implementing your own method) to check that a string is parsable with |
2. parse non-negative doubles stackoverflow.comI need function that will take string and integer that indicates position of non-negative double or integer and return Number or null. If there is '+' return null. Examples |
3. Why parse double in Java created new numbers? stackoverflow.comAfter running the following lines : |
4. Precision error when parsing a double variable using StringTokenizer in Java stackoverflow.comI'm using the StringTokenizer class to read a text file. In the text file, there's a couple of double values. |
5. How to parse through string and find doubles in Java stackoverflow.comI have the following content in a file that I need to parse. |
6. Successfully parsed a String into a Double, but all subsequent calculations fail stackoverflow.comI'm writing a program for my Java class and we were asked to design a program, using GUI, that accepts a temperature value and converts to others, such as from Fahrenheit ... |
7. Java removing double dash but not single dash stackoverflow.comI am parsing numerical data and sometimes I get negative numbers and when nothing is available I get |
8. Parsing String to Double stackoverflow.comPossible Duplicate:I'm trying to parse String into Double, and I'm not sure if it is the correct way to do it. ... |
9. How do I parse a string representing a sequence of arithmetic operations? stackoverflow.comI am working on a personal project and I want to take in userinput that looks like this : |
10. Compiler in Java surprisingly hangs up while attempting to parse a string value, 2.2250738585072012e-308 to double stackoverflow.comI have tried the following code in NetBeans 6.9.1, it should display the value on the console but the compiler surprisingly hangs up. The code snippet is as follows. |
11. Parse a jdouble* native variable to a double* native variable (jni) stackoverflow.comI try to parse an array of double that I got from jni in a "jdouble*" variable. What I want to do is convert that array of double to a "double*" array. It ... |
12. Parse Double coderanch.com |
13. Remove Currency Format - Can i parse back to a double? coderanch.comTry this: import java.text.NumberFormat; import java.util.Locale; import java.text.ParseException; public class NumberFormatTest { public static void main(String[] args) { double d = 10.00; Locale uk = new Locale("en", "GB"); NumberFormat cf = NumberFormat.getCurrencyInstance(uk); String s = cf.format(d); System.out.println(s); Number number = null; try { number = cf.parse(s); } catch (ParseException e) { System.out.print(e); } double dClone = number.doubleValue(); System.out.println(dClone); } } Hope ... |
14. Double parsing coderanch.com |
15. parse to double required? variable declarations coderanch.comfound a site with some simple problems that I'm working through as a refresher/learning. I keep getting an error and think that: a. my code is sloppy - do I need to declare variables elsewhere? b. I'm having problems with the rad calculation as its calculating with int and double which is giving an error? c. inData * inData seems silly ... |
16. Double parsing with , coderanch.com |
17. parse double coderanch.com |
18. parse string into 2 double variables java-forums.orgHow can I parse a string into 2 double variables? I am using JOptionpane to ask the user to enter 2 numbers separated by a space. I want to put the first number into x and the second into y and just ignore the white space in between. I tried this code but it throws an error if I enter 2 ... |
19. parsing a formula to a double forums.oracle.comI'm thinking the code below would perform the task, but wanted to confirm It won't compile (which you will find out easily if you try); one can't cast a reference type to a double. It looks like you're going after some kind of "eval" functionality, which Java does not have out of the box. But before you even begin exploring such ... |
20. Parsing double forums.oracle.comI haven't looked at your code closely (not my job to debug it) but the output you are getting occurs when you are trying to print out an object that hasn't overridden the toString method. Either you are trying to print out an entire array (print out each individual element instead) or you are printing an object of your own class ... |
21. Double.parse.double() forums.oracle.comI am new to Java and am having difficulty with a program I am writing. In the program the user is asked for numerical input which is then parsed to a double. Everything works fine until the user enters a character at which point it bypasses the else (used to catch unwanted numerical values) and gives me an error. I have ... |
22. Double.parseDouble(String) : Problem to parse large String forums.oracle.comHi, Thank You for your suggestion. By which i can store the big double number in Data base , but at some point i require to parse a double value from a Double reference.In that case if the Decimal value length => 16 then it the last digit changes or rounds. Ex: coverting 9999999999.999999 Decimal value to double value. It gives ... |
23. Parsing double forums.oracle.com |
24. parse.double?? forums.oracle.com |
25. Parsing Double from String. forums.oracle.com |
26. parse a line of string to double forums.oracle.comHi all: I have a file that contains a matrix of double values, and I need to parse each of this value and store them in double format. Each line in the file contains the same number of values, and each value within a line is seperated by a space character. Currently, what I am thinking is first read in a ... |
27. Parsing a maths equation into a double forums.oracle.comBasically i need to change an equation (represented by a String) into a number. I know how to change a String into a double using Double.parseDouble(String); method. I was wondering if there is a method (like above) that can change an equation like "y=A+B*cos(a*x+b)+C" instantly into a Double? (obviously the variables would be doubles eg: "y=1.2+3*sin(3*1.2+-5.6)+6"). At the moment, I have ... |
28. Infinite loop parsing a subnormal double value in Java implementation forums.oracle.comHaven't really been here since I didn't migrate my account during the switchover to Oracle, but thought you guys might be interested in this: http://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/ (discussion on Reddit @ http://www.reddit.com/r/programming/comments/fczjc/next_language_java_hangs_when_converting/ ) Briefly, the code that parses a String into a double value enters an infinite loop in sun.misc.FloatingDecimal on a particular subnormal value, "2.2250738585072012e-308", similar to the PHP bug that was ... |