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<TITLE>Formatting a Message Containing a Number
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<h3>
e324.
Formatting a Message Containing a Number</h3>
<pre>
Object[] params = new Object[]{<font color="#0066ff"><i>new Integer(123)</i></font>, <font color="#0066ff"><i>new Integer(1234)</i></font>};
String msg = MessageFormat.format(<font color="#0066ff"><i>"There are {0} a''s and {1} b''s"</i></font>, params);
// There are 123 a's and 1,234 b's
msg = MessageFormat.format(<font color="#0066ff"><i>"There are {0,number} a''s and {1,number} b''s"</i></font>, params);
// There are 123 a's and 1,234 b's
// Use a custom format; see <a href="../java.text/FormatNum.html" class="eglink"><font size="-1"><b>e311</b> Formatting a Number Using a Custom Format</font></a>
msg = MessageFormat.format(<font color="#0066ff"><i>"There are {0,number,#} a''s and {1,number,#} b''s"</i></font>, params);
// There are 123 a's and 1234 b's
// Floating point numbers
params = new Object[]{<font color="#0066ff"><i>new Double(123.45)</i></font>, <font color="#0066ff"><i>new Double(1234.56)</i></font>};
msg = MessageFormat.format(<font color="#0066ff"><i>"There are {0,number,#.#} a''s and {1,number,#.#} b''s"</i></font>, params);
// There are 123.4 a's and 1234.6 b's
// Currency
msg = MessageFormat.format(<font color="#0066ff"><i>"There are {0,number,currency} a''s and {1,number,currency} b''s"</i></font>, params);
// There are $123.00 a's and $1,234.00 b's
// Percent
msg = MessageFormat.format(<font color="#0066ff"><i>"There are {0,number,percent} a''s and {1,number,percent} b''s"</i></font>, params);
// There are 12,345% a's and 123,456% b's
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Related Examples
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e325. <a class="eglink" href="FormatMsgTime.html?l=rel">
Formatting a Message Containing a Time
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e326. <a class="eglink" href="FormatMsgDate.html?l=rel">
Formatting a Message Containing a Date
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See also:
<a class="eglink" href="/egs/java.text/pkg.html?l=rel#Dates">
Dates
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<a class="eglink" href="/egs/java.text/pkg.html?l=rel#Numbers">
Numbers
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<a class="eglink" href="/egs/java.text/pkg.html?l=rel#Times">
Times
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<a class="eglink" href="/egs/java.text/pkg.html?l=rel#Words%20and%20Sentences">
Words and Sentences
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