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