The Character class in Java wraps a value of the primitive type char in an object. This class provides numerous methods for determining the properties of a character, for converting characters from uppercase to lowercase and vice versa, and for converting characters to different formats. Understanding these methods is crucial for efficient character manipulation in Java.
This guide covers various methods available in the Character class, offering a comprehensive understanding of how to manipulate and interact with characters in Java. These methods are essential for efficient coding practices and help in performing operations like checking character types, comparing characters, and converting characters to different formats.
For more detailed information, you can refer to the official Java SE Documentation and additional resources on Java Programming Tutorial.
Java Character Class Methods
| Method | Description |
|---|---|
| isDigit() | Checks if the specified character is a digit. |
| isLetter() | Checks if the specified character is a letter. |
| isLetterOrDigit() | Checks if the specified character is a letter or a digit. |
| charValue() | Returns the value of this Character object. |
| codePointAt() | Returns the Unicode code point at the specified index. |
| compare() | Compares two char values numerically. |
| compareTo() | Compares this Character object to another Character object. |
| forDigit() | Returns the digit character representation of a given radix. |
| getName() | Returns the Unicode name of the specified character. |
| getNumericValue() | Returns the numeric value of the specified character. |
| isEmoji() | Checks if the specified character is an emoji. |
| isISOControl() | Checks if the specified character is an ISO control character. |
| isLowerCase() | Checks if the specified character is a lowercase letter. |
| isTitleCase() | Checks if the specified character is a titlecase letter. |
| isUpperCase() | Checks if the specified character is an uppercase letter. |
| isWhitespace() | Checks if the specified character is a whitespace character. |
| toLowerCase() | Converts the specified character to lowercase. |
| toString() | Returns a String object representing this Character’s value. |
| valueOf() | Returns a Character instance representing the specified char value. |
| toTitleCase() | Converts the specified character to titlecase. |
| toUpperCase() | Converts the specified character to uppercase. |
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