double 지수 표현 제거

import java.text.NumberFormat;

public class numberFormat {

public static void main(String[] args) {

// TODO Auto-generated method stub

double num = 1.2345E2;

NumberFormat f = NumberFormat.getInstance();

f.setGroupingUsed(false);

String val = f.format(num);

System.out.println(val);

}

}