String is used to store a sequence of characters.
String is a primitive data type in some languages such as Go, but is a composite data type in other languages such as C++.
Some string methods are listed below,
Method | Description
----- | -----
CharAt | Returns the character at the specified index.
Concatenate | Concatenates another string to the end of a string.
Contains | Looks for matches in the String.
EndsWith | Tests if this string ends with the specified suffix.
Equals | Compares this string to another string.
Length | Returns the length of a string.
IndexOf | Returns the index within this string of the first occurrence of the specified substring.
Replace | Returns a new string resulting from replacing all occurrences of a character in this string with another character.
StartsWith | Tests if this string starts with the specified prefix.
Substring | Returns a new string that is a sub string of the old one.
ToLowerCase | Converts all of the characters in a string to lower case.
ToUpperCase | Converts all of the characters in a string to upper case.
Trim | Returns a copy of a string, with leading and trailing white space omitted.