<p>
Splits the provided text into an array, using whitespace as the
separator. Whitespace is defined by {@link Character#isWhitespace(char)}.
</p>
<p>
<p>
The separator is not included in the returned string array. Adjacent
separators are treated as one separator. For more control over the split
use the StrTokenizer class.
</p>
<p>
<p>
A <code>null</code> input string returns <code>null</code>.
</p>
<p>
<pre>
StringUtils.split(null) = null
StringUtils.split("") = []
StringUtils.split("abc def") = ["abc", "def"]
StringUtils.split("abc def") = ["abc", "def"]
StringUtils.split(" abc ") = ["abc"]
</pre>
@param str the string to parse, may be null
@return an array of parsed Strings, <code>null</code> if null string
input
<p> Splits the provided text into an array, using whitespace as the separator. Whitespace is defined by {@link Character#isWhitespace(char)}. </p> <p> <p> The separator is not included in the returned string array. Adjacent separators are treated as one separator. For more control over the split use the StrTokenizer class. </p> <p> <p> A <code>null</code> input string returns <code>null</code>. </p> <p> <pre> StringUtils.split(null) = null StringUtils.split("") = [] StringUtils.split("abc def") = ["abc", "def"] StringUtils.split("abc def") = ["abc", "def"] StringUtils.split(" abc ") = ["abc"] </pre>
@param str the string to parse, may be null @return an array of parsed Strings, <code>null</code> if null string input