data
Class DataFormat
java.lang.Object
|
+--data.DataFormat
- public class DataFormat
- extends java.lang.Object
This class performs conversions between strings and numbers.
- Version:
- 1.00, 19 September 2000
- Author:
- David N. Blauch
|
Method Summary |
static java.lang.String |
formatDec(double x,
int nLength,
int nDecimal)
Returns a string representing a double precision number (x). |
static java.lang.String |
formatSci(double x,
int nLength,
int nDecimal)
Returns a string representing a double precision number (x). |
static boolean |
isValid(java.lang.String nbr)
Evaluates a string to see if it represents a valid number |
| Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
DataFormat
public DataFormat()
formatDec
public static java.lang.String formatDec(double x,
int nLength,
int nDecimal)
- Returns a string representing a double precision number (x).
The string uses a fixed decimal point format.
When necessary spaces are added to the beginning of the string to obtain the necessary length.
- Parameters:
x - numbernLength - total length of returned stringnDecimal - number of digits to the right of the decimal point
formatSci
public static java.lang.String formatSci(double x,
int nLength,
int nDecimal)
- Returns a string representing a double precision number (x).
The string uses a scientific notation.
The total length of the string must include four additional digits for the E+## notation.
- Parameters:
x - numbernLength - total length of returned stringnDecimal - number of digits to the right of the decimal point
isValid
public static boolean isValid(java.lang.String nbr)
- Evaluates a string to see if it represents a valid number