Java tutorial
import java.text.NumberFormat; public class Main { public static void main(String[] args) { double value = 9.01236789E9; String text = String.format("%.0f", value); System.out.println(text); // 9012367890 NumberFormat format = NumberFormat.getNumberInstance(); format.setMaximumFractionDigits(0); format.setGroupingUsed(false); System.out.println(format.format(value)); // 9012367890 } }