Check whether the character is ASCII 7 bit numeric in Java
Description
The following code shows how to check whether the character is ASCII 7 bit numeric.
Example
//from w ww . j av a2 s . c o m
public class Main {
public static boolean isAsciiNumeric(char ch) {
return ch >= '0' && ch <= '9';
}
public static void main(String[] argv) {
System.out.println(isAsciiNumeric('a'));
System.out.println(isAsciiNumeric('A'));
System.out.println(isAsciiNumeric('3'));
System.out.println(isAsciiNumeric('-'));
System.out.println(isAsciiNumeric('\n'));
}
}
The code above generates the following result.
Home »
Java Tutorial »
Java Data Type »
Java Tutorial »
Java Data Type »