Web Reference: Oct 11, 2025 · In Java, a String represents a sequence of characters used for storing and manipulating text. It is immutable and provides many built-in methods for operations like concatenation, comparison, and manipulation. The String class has a set of built-in methods that you can use on strings. Returns the number of Unicode values found in a string. Compares two strings. Returns true if the strings are equal, and false if not. The class String includes methods for examining individual characters of the sequence, for comparing strings, for searching strings, for extracting substrings, and for creating a copy of a string with all characters translated to uppercase or to lowercase.
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