String (Java SE 22 [ad-hoc build]) (original) (raw)

Fields
A Comparator that orders String objects as bycompareToIgnoreCase.

Constructors
[String](#%3Cinit%3E%28%29)()
Initializes a newly created String object so that it represents an empty character sequence.
[String](#%3Cinit%3E%28byte%5B%5D%29)(byte[] bytes)
Constructs a new String by decoding the specified array of bytes using the default charset.
[String](#%3Cinit%3E%28byte%5B%5D,int%29)(byte[] ascii, int hibyte)
[String](#%3Cinit%3E%28byte%5B%5D,int,int%29)(byte[] bytes, int offset, int length)
Constructs a new String by decoding the specified subarray of bytes using the default charset.
[String](#%3Cinit%3E%28byte%5B%5D,int,int,int%29)(byte[] ascii, int hibyte, int offset, int count)
[String](#%3Cinit%3E%28byte%5B%5D,int,int,java.lang.String%29)(byte[] bytes, int offset, int length,[String](String.html "class in java.lang") charsetName)
Constructs a new String by decoding the specified subarray of bytes using the specified charset.
[String](#%3Cinit%3E%28byte%5B%5D,int,int,java.nio.charset.Charset%29)(byte[] bytes, int offset, int length,[Charset](../nio/charset/Charset.html "class in java.nio.charset") charset)
Constructs a new String by decoding the specified subarray of bytes using the specified charset.
[String](#%3Cinit%3E%28byte%5B%5D,java.lang.String%29)(byte[] bytes,[String](String.html "class in java.lang") charsetName)
Constructs a new String by decoding the specified array of bytes using the specified charset.
[String](#%3Cinit%3E%28byte%5B%5D,java.nio.charset.Charset%29)(byte[] bytes,[Charset](../nio/charset/Charset.html "class in java.nio.charset") charset)
Constructs a new String by decoding the specified array of bytes using the specified charset.
[String](#%3Cinit%3E%28char%5B%5D%29)(char[] value)
Allocates a new String so that it represents the sequence of characters currently contained in the character array argument.
[String](#%3Cinit%3E%28char%5B%5D,int,int%29)(char[] value, int offset, int count)
Allocates a new String that contains characters from a subarray of the character array argument.
[String](#%3Cinit%3E%28int%5B%5D,int,int%29)(int[] codePoints, int offset, int count)
Allocates a new String that contains characters from a subarray of the Unicode code point array argument.
Initializes a newly created String object so that it represents the same sequence of characters as the argument; in other words, the newly created string is a copy of the argument string.
Allocates a new string that contains the sequence of characters currently contained in the string buffer argument.
Allocates a new string that contains the sequence of characters currently contained in the string builder argument.

char
[charAt](#charAt%28int%29)(int index)
Returns the char value at the specified index.
[chars](#chars%28%29)()
Returns a stream of int zero-extending the char values from this sequence.
int
[codePointAt](#codePointAt%28int%29)(int index)
Returns the character (Unicode code point) at the specified index.
int
[codePointBefore](#codePointBefore%28int%29)(int index)
Returns the character (Unicode code point) before the specified index.
int
[codePointCount](#codePointCount%28int,int%29)(int beginIndex, int endIndex)
Returns the number of Unicode code points in the specified text range of this String.
Returns a stream of code point values from this sequence.
int
Compares two strings lexicographically.
int
Compares two strings lexicographically, ignoring case differences.
Concatenates the specified string to the end of this string.
boolean
Returns true if and only if this string contains the specified sequence of char values.
boolean
Compares this string to the specified CharSequence.
boolean
Compares this string to the specified StringBuffer.
[copyValueOf](#copyValueOf%28char%5B%5D%29)(char[] data)
Equivalent to valueOf(char[]).
[copyValueOf](#copyValueOf%28char%5B%5D,int,int%29)(char[] data, int offset, int count)
Equivalent to valueOf(char[], int, int).
Returns an Optional containing the nominal descriptor for this instance, which is the instance itself.
boolean
Tests if this string ends with the specified suffix.
boolean
Compares this string to the specified object.
boolean
Compares this String to another String, ignoring case considerations.
Returns a formatted string using the specified format string and arguments.
Returns a formatted string using the specified locale, format string, and arguments.
Formats using this string as the format string, and the supplied arguments.
byte[]
[getBytes](#getBytes%28%29)()
Encodes this String into a sequence of bytes using thedefault charset, storing the result into a new byte array.
void
[getBytes](#getBytes%28int,int,byte%5B%5D,int%29)(int srcBegin, int srcEnd, byte[] dst, int dstBegin)
byte[]
Encodes this String into a sequence of bytes using the named charset, storing the result into a new byte array.
byte[]
Encodes this String into a sequence of bytes using the givencharset, storing the result into a new byte array.
void
[getChars](#getChars%28int,int,char%5B%5D,int%29)(int srcBegin, int srcEnd, char[] dst, int dstBegin)
Copies characters from this string into the destination character array.
int
[hashCode](#hashCode%28%29)()
Returns a hash code for this string.
[indent](#indent%28int%29)(int n)
Adjusts the indentation of each line of this string based on the value ofn, and normalizes line termination characters.
int
[indexOf](#indexOf%28int%29)(int ch)
Returns the index within this string of the first occurrence of the specified character.
int
[indexOf](#indexOf%28int,int%29)(int ch, int fromIndex)
Returns the index within this string of the first occurrence of the specified character, starting the search at the specified index.
int
[indexOf](#indexOf%28int,int,int%29)(int ch, int beginIndex, int endIndex)
Returns the index within this string of the first occurrence of the specified character, starting the search at beginIndex and stopping before endIndex.
int
Returns the index within this string of the first occurrence of the specified substring.
int
[indexOf](#indexOf%28java.lang.String,int%29)([String](String.html "class in java.lang") str, int fromIndex)
Returns the index within this string of the first occurrence of the specified substring, starting at the specified index.
int
[indexOf](#indexOf%28java.lang.String,int,int%29)([String](String.html "class in java.lang") str, int beginIndex, int endIndex)
Returns the index of the first occurrence of the specified substring within the specified index range of this string.
[intern](#intern%28%29)()
Returns a canonical representation for the string object.
boolean
[isBlank](#isBlank%28%29)()
Returns true if the string is empty or contains onlywhite space codepoints, otherwise false.
boolean
[isEmpty](#isEmpty%28%29)()
Returns true if, and only if, length() is 0.
Returns a new String composed of copies of theCharSequence elements joined together with a copy of the specified delimiter.
Returns a new String composed of copies of theCharSequence elements joined together with a copy of the specified delimiter.
int
[lastIndexOf](#lastIndexOf%28int%29)(int ch)
Returns the index within this string of the last occurrence of the specified character.
int
[lastIndexOf](#lastIndexOf%28int,int%29)(int ch, int fromIndex)
Returns the index within this string of the last occurrence of the specified character, searching backward starting at the specified index.
int
Returns the index within this string of the last occurrence of the specified substring.
int
[lastIndexOf](#lastIndexOf%28java.lang.String,int%29)([String](String.html "class in java.lang") str, int fromIndex)
Returns the index within this string of the last occurrence of the specified substring, searching backward starting at the specified index.
int
[length](#length%28%29)()
Returns the length of this string.
[lines](#lines%28%29)()
Returns a stream of lines extracted from this string, separated by line terminators.
boolean
int
[offsetByCodePoints](#offsetByCodePoints%28int,int%29)(int index, int codePointOffset)
Returns the index within this String that is offset from the given index bycodePointOffset code points.
boolean
[regionMatches](#regionMatches%28boolean,int,java.lang.String,int,int%29)(boolean ignoreCase, int toffset,[String](String.html "class in java.lang") other, int ooffset, int len)
Tests if two string regions are equal.
boolean
[regionMatches](#regionMatches%28int,java.lang.String,int,int%29)(int toffset,[String](String.html "class in java.lang") other, int ooffset, int len)
Tests if two string regions are equal.
[repeat](#repeat%28int%29)(int count)
Returns a string whose value is the concatenation of this string repeated count times.
[replace](#replace%28char,char%29)(char oldChar, char newChar)
Returns a string resulting from replacing all occurrences ofoldChar in this string with newChar.
Replaces each substring of this string that matches the literal target sequence with the specified literal replacement sequence.
Replaces each substring of this string that matches the given regular expression with the given replacement.
Replaces the first substring of this string that matches the given regular expression with the given replacement.
Resolves this instance as a ConstantDesc, the result of which is the instance itself.
Splits this string around matches of the given regular expression and returns both the strings and the matching delimiters.
boolean
Tests if this string starts with the specified prefix.
boolean
[startsWith](#startsWith%28java.lang.String,int%29)([String](String.html "class in java.lang") prefix, int toffset)
Tests if the substring of this string beginning at the specified index starts with the specified prefix.
[strip](#strip%28%29)()
Returns a string whose value is this string, with all leading and trailing white space removed.
Returns a string whose value is this string, with incidentalwhite space removed from the beginning and end of every line.
Returns a string whose value is this string, with all leadingwhite space removed.
Returns a string whose value is this string, with all trailingwhite space removed.
[subSequence](#subSequence%28int,int%29)(int beginIndex, int endIndex)
Returns a character sequence that is a subsequence of this sequence.
[substring](#substring%28int%29)(int beginIndex)
Returns a string that is a substring of this string.
[substring](#substring%28int,int%29)(int beginIndex, int endIndex)
Returns a string that is a substring of this string.
char[]
Converts this string to a new character array.
Converts all of the characters in this String to lower case using the rules of the default locale.
Converts all of the characters in this String to lower case using the rules of the given Locale.
[toString](#toString%28%29)()
This object (which is already a string!)
Converts all of the characters in this String to upper case using the rules of the default locale.
Converts all of the characters in this String to upper case using the rules of the given Locale.
<R> R
This method allows the application of a function to this string.
Returns a string whose value is this string, with escape sequences translated as if in a string literal.
[trim](#trim%28%29)()
Returns a string whose value is this string, with all leading and trailing space removed, where space is defined as any character whose codepoint is less than or equal to'U+0020' (the space character).
[valueOf](#valueOf%28boolean%29)(boolean b)
Returns the string representation of the boolean argument.
[valueOf](#valueOf%28char%29)(char c)
Returns the string representation of the char argument.
[valueOf](#valueOf%28char%5B%5D%29)(char[] data)
Returns the string representation of the char array argument.
[valueOf](#valueOf%28char%5B%5D,int,int%29)(char[] data, int offset, int count)
Returns the string representation of a specific subarray of thechar array argument.
[valueOf](#valueOf%28double%29)(double d)
Returns the string representation of the double argument.
[valueOf](#valueOf%28float%29)(float f)
Returns the string representation of the float argument.
[valueOf](#valueOf%28int%29)(int i)
Returns the string representation of the int argument.
[valueOf](#valueOf%28long%29)(long l)
Returns the string representation of the long argument.
Returns the string representation of the Object argument.