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50 lines
5.2 KiB
HTML
50 lines
5.2 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<p><strong>Reference</strong> <a class='wikilink' href='index.html'>Language</a> | <a class='wikilink' href='Libraries.html'>Libraries</a> | <a class='wikilink' href='Comparison.html'>Comparison</a> | <a class='wikilink' href='Changes.html'>Changes</a>
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<p class='vspace'></p><p><a class='wikilink' href='StringClass.html'>String</a>
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<p class='vspace'></p><h2>compareTo()</h2>
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<h4>Description</h4>
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<p>Compares two Strings, testing whether one comes before or after the other, or whether they're equal. The strings are compared character by character, using the ASCII values of the characters. That means, for example, that 'a' comes before 'b' but after 'A'. Numbers come before letters.
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</p>
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<p class='vspace'></p><h4>Syntax</h4>
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<p><em>string</em>.compareTo(string2)
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</p>
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<p class='vspace'></p><h4>Parameters</h4>
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<p>string: a variable of type String <br />string2: another variable of type String
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</p>
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<p class='vspace'></p><h4>Returns</h4>
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<p>a negative number: if string comes before string2<br />0: if string equals string2<br />a positive number: if string comes after string2
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</p>
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<p class='vspace'></p><h4>Example</h4>
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<ul><li><a class='createlinktext' rel='nofollow'
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href='http://arduino.cc/en/Tutorial/StringComparisonOperators?action=edit'>StringComparisonOperators</a><a rel='nofollow'
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class='createlink' href='http://arduino.cc/en/Tutorial/StringComparisonOperators?action=edit'>?</a>
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</li></ul><p class='vspace'></p><h4>See also</h4>
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<ul><li><a class='wikilink' href='StringEquals.html'>equals</a>()
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</li><li><a class='wikilink' href='StringEqualsIgnoreCase.html'>equalsIgnoreCase</a>()
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</li></ul><p class='vspace'></p><p><a class='wikilink' href='index.html'>Reference Home</a>
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<p class='vspace'></p><p><em>Corrections, suggestions, and new documentation should be posted to the <a class='urllink' href='http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?board=swbugs' rel='nofollow'>Forum</a>.</em>
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<p class='vspace'></p><p>The text of the Arduino reference is licensed under a
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<a class='urllink' href='http://creativecommons.org/licenses/by-sa/3.0/' rel='nofollow'>Creative Commons Attribution-ShareAlike 3.0 License</a>. Code samples in the reference are released into the public domain.
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