This question already has answers here:
Converting double to string
(17 answers)
How do I print a double value without scientific notation using Java?
(18 answers)
Closed 6 years ago.
I am trying to take a Double variable called 'startCheckNumber' which should have a value of '40305555' and convert to String. In doing a debug of my code the startCheckNumber shows a value of 4.030555E7. If I do the following command to convert to String it shows it like that instead of '4030555'
String displayCheckNumber = String.valueOf(startCheckNumber) ;
Is there a better way to convert a double variable to String in this case than using ValueOf? I tried 'Double.toString(number)' format and that didn't work right
Thanks
Sorry I should have looked harder. I found and this seemed to work
DecimalFormat decimalFormat = new DecimalFormat("#");
String displayCheckNumber = decimalFormat.format(startCheckNumber);
Related
This question already has answers here:
Get the decimal part from a double
(18 answers)
Closed 5 months ago.
This post was edited and submitted for review 5 months ago and failed to reopen the post:
Original close reason(s) were not resolved
For example if I had a (double 123.987) how can take what comes after the right of the decimal and make it A integer (987)?
Well you can use String and split to derive your output:
double number = 123.456;
String numberString = String.valueOf(number);
String[] digits2 = numberString.split("\\.");
System.out.println(digits2[1]);
After having this output, you can cast it to integer. Should not be that hard
This question already has answers here:
How do I print a double value without scientific notation using Java?
(18 answers)
Closed 6 years ago.
I need to convert string value to double with dot. Here is simple code
double dValue=Double.parseDouble("999999999.99");
System.out.println(dValue);
output is: 9.9999999999E8
When i gave value like 10000 or 100000 it works. Help me to overcome this problem.
You could use BigDecimal and toPlainString() for that.
BigDecimal dValue= new BigDecimal("999999999.99");
System.out.println(dValue.toPlainString());
Output:
999999999.99
You can use String.format
System.out.println(String.format("%.2f", dValue));
This question already has answers here:
How do I print a double value without scientific notation using Java?
(18 answers)
Closed 7 years ago.
when ever I put a big or small number through System.out.println() (in Java), it decides to convert something like 0.003897 to 3.897E-3 which is hard to read when going through my temporary-testing-debug-log-thing.
is there any way to keep it as 0.003897?
Use DecimalFormat like: #.#######
Usage:
DecimalFormat df = new DecimalFormat("#.00");
Either use:
System.out.println( String.format( "%.6f", 123.456789d )
This question already has answers here:
Converting Integer to String with comma for thousands
(15 answers)
Closed 9 years ago.
Is there a simple way to format variables on a GUI with spaces (or commas) between so its easier to read.
Example:
int x = 12000000;
JLabel.setText(x);
which outputs 1200000, however I am trying to achieve on of the following.
1 200 000
1,200,000
If you want to use the user's locale to determine whether to use commas or decimal points, use the following:
String formattedNum = NumberFormat.getIntegerInstance().format(x);
For Americans, you would see 1,200,000.
You can try this:
int x = 12000000;
JLabel.setText(NumberFormat.getInstance().format(x));
This question already has answers here:
Java Double to String conversion without formatting
(9 answers)
Closed 9 years ago.
In my application, I allowed user to input DOUBLE value (2 decimal places) then total up and display. It works fine with value lesser than 10,000,000; However, when displaying
Double totalvalue = 1000000000.50;
Displayed as 1.0E9
Intent to get Display as : 1000000000.50
Double totalvalue = 10000000.00
Displayed as 1.0E7
Intent to get Display as : 10000000.00
So my problem is how to get Display the actual value?
p/s: I did research on this issues for few hours but unfortunately I doesn't get any answer for that.
You can use this:
String.format("%1$.2f", totalvalue);
to format your Double without the E notation.
You can display as-
String.format("%.2f", totalValue)