GWT获取用户本地小数分隔符char

import java.text.DecimalFormatSymbols;
import java.util.Locale;

public class Main {
    public static void main(String[] args) {
        DecimalFormatSymbols symbols = DecimalFormatSymbols.getInstance(Locale.getDefault());
        char decimalSeparator = symbols.getDecimalSeparator();
        System.out.println("本地小数分隔符：" + decimalSeparator);
    }
}