Actually, valueOf
uses parseInt
internally. The difference is parseInt
returns an int
primitive while valueOf
returns an Integer
object. Consider from the Integer.class source:
public static int parseInt(String s) throws NumberFormatException {
return parseInt(s, 10);
}
public static Integer valueOf(String s, int radix) throws NumberFormatException {
return Integer.valueOf(parseInt(s, radix));
}
public static Integer valueOf(String s) throws NumberFormatException {
return Integer.valueOf(parseInt(s, 10));
}
As for parsing with a comma, I’m not familiar with one. I would sanitize them.
int million = Integer.parseInt("1,000,000".replace(",", ""));