public class Format
extends java.lang.Object
Constructor and Description |
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Format(java.lang.String s)
Formats the number following printf conventions.
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Modifier and Type | Method and Description |
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static double |
atof(java.lang.String s)
Converts a string of digits to an double
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static int |
atoi(java.lang.String s)
Converts a string of digits (decimal, octal or hex) to an integer
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static long |
atol(java.lang.String s)
Converts a string of digits (decimal, octal or hex) to a long integer
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java.lang.String |
form(char c)
Formats a character into a string (like sprintf in C)
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java.lang.String |
form(double x)
Formats a double into a string (like sprintf in C)
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java.lang.String |
form(long x)
Formats a long integer into a string (like sprintf in C)
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java.lang.String |
form(java.lang.String s)
Formats a string into a larger string (like sprintf in C)
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static void |
main(java.lang.String[] a)
a test stub for the format class
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static void |
print(java.io.PrintStream s,
java.lang.String fmt,
char x)
prints a formatted number following printf conventions
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static void |
print(java.io.PrintStream s,
java.lang.String fmt,
double x)
prints a formatted number following printf conventions
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static void |
print(java.io.PrintStream s,
java.lang.String fmt,
long x)
prints a formatted number following printf conventions
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static void |
print(java.io.PrintStream s,
java.lang.String fmt,
java.lang.String x)
prints a formatted number following printf conventions
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public Format(java.lang.String s)
s
- the format string following printf conventions The string has
a prefix, a format code and a suffix. The prefix and suffix
become part of the formatted output. The format code directs
the formatting of the (single) parameter to be formatted. The
code has the following structure
java.lang.IllegalArgumentException
- if bad formatpublic static void print(java.io.PrintStream s, java.lang.String fmt, double x)
s
- a PrintStreamfmt
- the format stringx
- the double to printpublic static void print(java.io.PrintStream s, java.lang.String fmt, long x)
s
- a PrintStreamfmt
- the format stringx
- the long to printpublic static void print(java.io.PrintStream s, java.lang.String fmt, char x)
s
- a PrintStreamfmt
- the format stringx
- the character topublic static void print(java.io.PrintStream s, java.lang.String fmt, java.lang.String x)
s
- a PrintStream, fmt the format stringx
- a string that represents the digits to printpublic static int atoi(java.lang.String s)
s
- a stringpublic static long atol(java.lang.String s)
s
- a stringpublic static double atof(java.lang.String s)
s
- a stringpublic java.lang.String form(double x)
x
- the number to formatjava.lang.IllegalArgumentException
- if bad argumentpublic java.lang.String form(long x)
x
- the number to formatpublic java.lang.String form(char c)
c
- the value to formatpublic java.lang.String form(java.lang.String s)
s
- the value to formatpublic static void main(java.lang.String[] a)