输出为货币形式：$198，并将$198反向解析成整数198

import java.text.NumberFormat;
import java.util.Locale;


public class Demo4 {



public static void main(String[] args) throws Exception {
double db = 198.0;


NumberFormat nf = NumberFormat.getCurrencyInstance(Locale.US);
String result = nf.format(db);
System.out.println(result);

String s="$198.00";
nf = NumberFormat.getCurrencyInstance(Locale.US);
Number n = nf.parse(s);
double db1 = n.doubleValue();
System.out.println(db1);


double db2 = 0.72;
nf = NumberFormat.getPercentInstance(Locale.ENGLISH);
result = nf.format(db2);
System.out.println(result);
}


}