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Java - String (popular problems)

Java - check if string contains only digits
Java - check if string is empty
Java - check if string only contains numbers
Java - compare strings
Java - convert camelCase to Sentence Case
Java - convert string to character array
Java - count character occurrences
Java - find character index in string
Java - find text in string
Java - generate random string of size n characters
Java - get first 2 characters of string
Java - get first 3 characters of string
Java - get first character of string
Java - get first n characters of string
Java - get index of pattern in string using regex
Java - get last 2 characters from string
Java - get last 3 characters of string
Java - get last character of string
Java - get last n characters of string
Java - get substring of string
Java - how to check string length?
Java - how to reverse a string
Java - how to split string by new line character?
Java - how to split string by space character?
Java - how to split string when we have more than 1 space character between words?
Java - insert unicode character to string
Java - iterate through string
Java - no-break / non-breaking space in string
Java - remove first 2 characters from string
Java - remove first 3 characters from string
Java - remove first n characters from string
Java - remove last 2 characters from string
Java - remove last 3 characters from string
Java - remove last character from string
Java - remove last n characters from string
Java - remove prefix from string
Java - remove substring from string between indexes
Java - remove suffix from string
Java - replace all occurrences of string
Java - replace first 2 characters in string
Java - replace first 3 characters in string
Java - replace first character in string
Java - replace first n characters in string
Java - replace last 2 characters in string
Java - replace last 3 characters in string
Java - replace last 4 characters in string
Java - replace last character in string
Java - replace last n characters in string
Java - replace part of string from given index
Java - reverse string
Java - reverse words in a given string
Java - split string by hyphen sign
Java - trim whitespace from string
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