public class StringUtil
extends java.lang.Object
Constructor and Description |
---|
StringUtil() |
Modifier and Type | Method and Description |
---|---|
static boolean |
isEmpty(java.lang.CharSequence theString)
Returns true if
CharSequence.length() is
0 or null. |
static boolean |
isWhitespace(char charCode)
Determines if the specified character is a whitespace.
|
static boolean |
isWhitespace(int charCode)
Determines if the specified character is a whitespace.
|
static java.lang.String |
toLowerCase(java.lang.CharSequence string)
Converts to lower case independent of the current locale via
Character.toLowerCase(char) which uses mapping information
from the UnicodeData file. |
static java.lang.String |
toUpperCase(java.lang.CharSequence string)
Converts to upper case independent of the current locale via
Character.toUpperCase(char) which uses mapping information
from the UnicodeData file. |
public static boolean isWhitespace(char charCode)
Character.isWhitespace(int)
whitespace.Character.SPACE_SEPARATOR
).Character.isWhitespace(int)
does not include no-break spaces.
In OpenNLP no-break spaces are also considered as white spaces.charCode
- public static boolean isWhitespace(int charCode)
Character.isWhitespace(int)
whitespace.Character.SPACE_SEPARATOR
).Character.isWhitespace(int)
does not include no-break spaces.
In OpenNLP no-break spaces are also considered as white spaces.charCode
- public static java.lang.String toLowerCase(java.lang.CharSequence string)
Character.toLowerCase(char)
which uses mapping information
from the UnicodeData file.string
- public static java.lang.String toUpperCase(java.lang.CharSequence string)
Character.toUpperCase(char)
which uses mapping information
from the UnicodeData file.string
- public static boolean isEmpty(java.lang.CharSequence theString)
CharSequence.length()
is
0 or null.CharSequence.length()
is 0, otherwise
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