public final class Strings
extends java.lang.Object
| Modifier and Type | Field and Description |
|---|---|
static java.lang.String |
EMPTY |
static java.lang.String |
LINE_SEPARATOR |
static java.lang.String |
SINGLE_QUOTE |
| Modifier and Type | Method and Description |
|---|---|
static boolean |
isNullOrEmpty(java.lang.String target)
Tells whether the given string is either or consists solely of whitespace characters.
|
static java.lang.String |
join(java.util.List<java.lang.String> pieces,
java.lang.String separator)
Gives a string consisting of the string representations of the elements of a given array of objects,
each separated by a given separator string.
|
static java.lang.String |
join(java.lang.String[] pieces,
java.lang.String separator)
Gives a string consisting of the elements of a given array of strings, each separated by a given separator
string.
|
static java.lang.String |
repeat(char ch,
int count)
Gives a string consisting of the given character repeated the given number of times.
|
static java.lang.String |
surround(java.lang.String target,
char begin,
char end)
Gives a string consisting of a given string prepended and appended with surrounding characters.
|
public static final java.lang.String EMPTY
public static final java.lang.String SINGLE_QUOTE
public static final java.lang.String LINE_SEPARATOR
public static java.lang.String repeat(char ch,
int count)
ch - the character to repeatcount - how many times to repeat the characterpublic static boolean isNullOrEmpty(java.lang.String target)
target - string to checktrue if the target string is null or emptypublic static java.lang.String surround(java.lang.String target,
char begin,
char end)
target - a stringbegin - character to prependend - character to appendpublic static java.lang.String join(java.lang.String[] pieces,
java.lang.String separator)
pieces - the strings to joinseparator - the separatorpublic static java.lang.String join(java.util.List<java.lang.String> pieces,
java.lang.String separator)
pieces - the elements whose string representations are to be joinedseparator - the separator