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Format (Colt 1.2.0 - API Specification)
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<H2>

corejava
 
Class Format</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
 <IMG SRC="../resources/inherit.gif" ALT="extended by">corejava.Format
</PRE>
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<DL>
<DT>public class Format<DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL>

A class for formatting numbers that follows <tt>printf</tt> conventions.

Also implements C-like <tt>atoi</tt> and <tt>atof</tt> functions

<DL>
<DT>Version:</DT>
 <DD>1.22 2002-11-16</DD>
</DL>
<HR>

<A NAME="constructor_summary"></A>
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Constructor Summary</TD>
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<TD><CODE><A HREF="../corejava/Format.html#Format(java.lang.String)">Format</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Formats the number following <tt>printf</tt> conventions.</TD>
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<A NAME="method_summary"></A>
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Method Summary</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;double</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#atof(java.lang.String)">atof</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Converts a string of digits to a <tt>double</tt></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;int</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#atoi(java.lang.String)">atoi</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Converts a string of digits (decimal, octal or hex) to an integer</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;long</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#atol(java.lang.String)">atol</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Converts a string of digits (decimal, octal or hex) to a long integer</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#format(char)">format</A>(char&nbsp;c)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Formats a character into a string (like sprintf in C)</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#format(double)">format</A>(double&nbsp;x)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Formats a <tt>double</tt> into a string (like sprintf in C)</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#format(int)">format</A>(int&nbsp;x)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Formats an integer into a string (like sprintf in C)</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#format(long)">format</A>(long&nbsp;x)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Formats a long integer into a string (like sprintf in C)</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#format(java.lang.String)">format</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Formats a string into a larger string (like sprintf in C)</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<CODE>static&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#main(java.lang.String[])">main</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;a)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a test stub for the format class</TD>
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<CODE>static&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#printf(java.lang.String, char)">printf</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 char&nbsp;x)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prints a formatted number following printf conventions</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#printf(java.lang.String, double)">printf</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 double&nbsp;x)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prints a formatted number following printf conventions</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#printf(java.lang.String, int)">printf</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 int&nbsp;x)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prints a formatted number following printf conventions</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#printf(java.lang.String, long)">printf</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 long&nbsp;x)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prints a formatted number following printf conventions</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../corejava/Format.html#printf(java.lang.String, java.lang.String)">printf</A>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;x)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prints a formatted number following printf conventions</TD>
</TR>
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<TD>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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Constructor Detail</TD>
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<A NAME="Format(java.lang.String)"></A><H3>
Format</H3>
<PRE>
public Format(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</PRE>
<DL>
<DD>Formats the number following <tt>printf</tt> conventions.
 Main limitation: Can only handle one format parameter at a time
 Use multiple Format objects to format more than one number

<DT>Parameters:<DD><CODE>s</CODE> - 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
 <ul>
 <li> a % (required)
 <li> a modifier (optional)
 <dl>
 <dt> + <dd> forces display of + for positive numbers
 <dt> 0 <dd> show leading zeroes
 <dt> - <dd> align left in the field
 <dt> space <dd> prepend a space in front of positive numbers
 <dt> # <dd> use "alternate" format. Add 0 or 0x for octal or hexadecimal numbers. Don't suppress trailing zeroes in general floating point format.
 </dl>
 <li> an integer denoting field width (optional)
 <li> a period followed by an integer denoting precision (optional)
 <li> a format descriptor (required)
 <dl>
 <dt>f <dd> floating point number in fixed format
 <dt>e, E <dd> floating point number in exponential notation (scientific format). The E format results in an uppercase E for the exponent (1.14130E+003), the e format in a lowercase e.
 <dt>g, G <dd> floating point number in general format (fixed format for small numbers, exponential format for large numbers). Trailing zeroes are suppressed. The G format results in an uppercase E for the exponent (if any), the g format in a lowercase e.
 <dt>d, i <dd> integer in decimal
 <dt>x <dd> integer in hexadecimal
 <dt>o <dd> integer in octal
 <dt>s <dd> string
 <dt>c <dd> character
 </dl>
 </ul>
<DT>Throws:
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if bad format</DL>

<A NAME="method_detail"></A>
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Method Detail</TD>
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<A NAME="printf(java.lang.String, double)"></A><H3>
printf</H3>
<PRE>
public static void printf(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 double&nbsp;x)</PRE>
<DL>
<DD>prints a formatted number following printf conventions

<DD><DL>
<DT>Parameters:<DD><CODE>fmt</CODE> - the format string<DD><CODE>x</CODE> - the double to print</DL>
</DD>
</DL>
<HR>

<A NAME="printf(java.lang.String, int)"></A><H3>
printf</H3>
<PRE>
public static void printf(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 int&nbsp;x)</PRE>
<DL>
<DD>prints a formatted number following printf conventions

<DD><DL>
<DT>Parameters:<DD><CODE>fmt</CODE> - the format string<DD><CODE>x</CODE> - the int to print</DL>
</DD>
</DL>
<HR>

<A NAME="printf(java.lang.String, long)"></A><H3>
printf</H3>
<PRE>
public static void printf(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 long&nbsp;x)</PRE>
<DL>
<DD>prints a formatted number following printf conventions

<DD><DL>
<DT>Parameters:<DD><CODE>fmt</CODE> - the format string<DD><CODE>x</CODE> - the long to print</DL>
</DD>
</DL>
<HR>

<A NAME="printf(java.lang.String, char)"></A><H3>
printf</H3>
<PRE>
public static void printf(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 char&nbsp;x)</PRE>
<DL>
<DD>prints a formatted number following printf conventions

<DD><DL>
<DT>Parameters:<DD><CODE>fmt</CODE> - the format string<DD><CODE>x</CODE> - the character to print</DL>
</DD>
</DL>
<HR>

<A NAME="printf(java.lang.String, java.lang.String)"></A><H3>
printf</H3>
<PRE>
public static void printf(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fmt,
 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;x)</PRE>
<DL>
<DD>prints a formatted number following printf conventions

<DD><DL>
<DT>Parameters:<DD><CODE>fmt</CODE> - the format string<DD><CODE>x</CODE> - a string to print</DL>
</DD>
</DL>
<HR>

<A NAME="atoi(java.lang.String)"></A><H3>
atoi</H3>
<PRE>
public static int atoi(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</PRE>
<DL>
<DD>Converts a string of digits (decimal, octal or hex) to an integer

<DD><DL>
<DT>Parameters:<DD><CODE>s</CODE> - a string
<DT>Returns:<DD>the numeric value of the prefix of s representing a base 10 integer</DL>
</DD>
</DL>
<HR>

<A NAME="atol(java.lang.String)"></A><H3>
atol</H3>
<PRE>
public static long atol(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</PRE>
<DL>
<DD>Converts a string of digits (decimal, octal or hex) to a long integer

<DD><DL>
<DT>Parameters:<DD><CODE>s</CODE> - a string
<DT>Returns:<DD>the numeric value of the prefix of s representing a base 10 integer</DL>
</DD>
</DL>
<HR>

<A NAME="atof(java.lang.String)"></A><H3>
atof</H3>
<PRE>
public static double atof(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</PRE>
<DL>
<DD>Converts a string of digits to a <tt>double</tt>

<DD><DL>
<DT>Parameters:<DD><CODE>s</CODE> - a string</DL>
</DD>
</DL>
<HR>

<A NAME="format(double)"></A><H3>
format</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> format(double&nbsp;x)</PRE>
<DL>
<DD>Formats a <tt>double</tt> into a string (like sprintf in C)

<DD><DL>
<DT>Parameters:<DD><CODE>x</CODE> - the number to format
<DT>Returns:<DD>the formatted string
<DT>Throws:
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if bad argument</DL>
</DD>
</DL>
<HR>

<A NAME="format(int)"></A><H3>
format</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> format(int&nbsp;x)</PRE>
<DL>
<DD>Formats an integer into a string (like sprintf in C)

<DD><DL>
<DT>Parameters:<DD><CODE>x</CODE> - the number to format
<DT>Returns:<DD>the formatted string</DL>
</DD>
</DL>
<HR>

<A NAME="format(long)"></A><H3>
format</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> format(long&nbsp;x)</PRE>
<DL>
<DD>Formats a long integer into a string (like sprintf in C)

<DD><DL>
<DT>Parameters:<DD><CODE>x</CODE> - the number to format
<DT>Returns:<DD>the formatted string</DL>
</DD>
</DL>
<HR>

<A NAME="format(char)"></A><H3>
format</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> format(char&nbsp;c)</PRE>
<DL>
<DD>Formats a character into a string (like sprintf in C)

<DD><DL>

<DT>Returns:<DD>the formatted string</DL>
</DD>
</DL>
<HR>

<A NAME="format(java.lang.String)"></A><H3>
format</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> format(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;s)</PRE>
<DL>
<DD>Formats a string into a larger string (like sprintf in C)

<DD><DL>

<DT>Returns:<DD>the formatted string</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"></A><H3>
main</H3>
<PRE>
public static void main(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;a)</PRE>
<DL>
<DD>a test stub for the format class

<DD><DL>
</DL>
</DD>
</DL>

<HR>

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Rabbit simulation

initial commit