AlphaCodingSkills

Java String Methods


Advertisements

Previous Page Next Page

The Java has a number of methods and functions that are available for use with strings. These methods and functions are listed below in alphabetical order. For more details about any one of these, please visit its page.

Java String Methods
MethodDescription
charAt() Returns the character at the specified index (position)
codePointAt() Returns the Unicode of the character at the specified index
codePointBefore() Returns the Unicode of the character before the specified index
codePointCount() Returns the Unicode in the specified text range of this String
compareTo() Compares two strings lexicographically
compareToIgnoreCase() Compares two strings lexicographically, ignoring case differences
concat() Appends a string to the end of another string
contains() Checks whether a string contains a sequence of characters
contentEquals() Checks whether a string contains the exact same sequence of characters of the specified CharSequence or StringBuffer
copyValueOf() Returns a String that represents the characters of the character array
endsWith() Checks whether a string ends with the specified character(s)
equals() Compares two strings. Returns true if the strings are equal, and false if not
equalsIgnoreCase() Compares two strings, ignoring case considerations
format() Returns a formatted string using the specified locale, format string, and arguments
getBytes() Encodes this String into a sequence of bytes using the named charset, storing the result into a new byte array
getChars() Copies characters from a string to an array of chars
hashCode() Returns the hash code of a string
indexOf() Returns the position of the first found occurrence of specified characters in a string
intern() Returns the index within this string of the first occurrence of the specified character, starting the search at the specified index
isEmpty() Checks whether a string is empty or not
lastIndexOf() Returns the position of the last found occurrence of specified characters in a string
length() Returns the length of a specified string
matches() Searches a string for a match against a regular expression, and returns the matches
offsetByCodePoints() Returns the index within this String that is offset from the given index by codePointOffset code points
regionMatches() Tests if two string regions are equal
replace() Searches a string for a specified value, and returns a new string where the specified values are replaced
replaceFirst() Replaces the first occurrence of a substring that matches the given regular expression with the given replacement
replaceAll() Replaces each substring of this string that matches the given regular expression with the given replacement
split() Splits a string into an array of substrings
startsWith() Checks whether a string starts with specified characters
subSequence() Returns a new character sequence that is a subsequence of this sequence
substring() Extracts the characters from a string, beginning at a specified start position, and through the specified number of character
toCharArray() Converts this string to a new character array
toLowerCase() Converts a string to lower case letters
toString() Returns the value of a String object
toUpperCase() Converts a string to upper case letters
trim() Removes whitespace from both ends of a string
valueOf() Returns the primitive value of a String object

Previous Page Next Page