Check for character is letter or digit.
This example checks for character variable value is letter or digit.
This example checks for character variable value is letter or digit.
Description
Description:
This tutorial demonstrate how to check a character variable value is a digit
or letter using isLetterOrDigit() method.
Code:
public class LetterOrDigit {
public static void main(String[] args) {
char symbol = '1';
if (Character.isLetterOrDigit(symbol)) {
System.out.println("true");
} else {
System.out.println("false");
}
char symbol1 = 'A';
if (Character.isLetterOrDigit(symbol1)) {
System.out.println("true");
} else {
System.out.println("false");
}
}
}
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Output:

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