Web Reference: May 17, 2020 Β· The java.lang.Character.isDigit (int codePoint) is an inbuilt method in java which determines whether the specified Unicode code point character of integer type is a digit or not. The Java Character isDigit () method is used to check whether the specified character is a digit or not. A character is said to be a digit if its general category type, as obtained from the return value of the Character.getType () method, is DECIMAL_DIGIT_NUMBER. The isDigit() method in Java is a simple yet crucial tool for handling characters and validating input. By understanding its fundamental concepts, usage methods, common practices, and best practices, you can write more robust and efficient Java code.
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