Mega Code Archive
Print a table of Fahrenheit and Celsius temperatures 3
import java.text.*;
/* Print a table of Fahrenheit and Celsius temperatures, with decimal
* points lined up.
* @author Ian F. Darwin, http://www.darwinsys.com/
* @version $Id: TempConverter3.java,v 1.4 2004/03/07 02:50:49 ian Exp $
*/
public class TempConverter3 extends TempConverter2 {
protected FieldPosition fp;
protected DecimalFormat dff;
public static void main(String[] args) {
TempConverter t = new TempConverter3();
t.start();
t.data();
t.end();
}
// Constructor
public TempConverter3() {
super();
dff = new DecimalFormat("#0.0");
fp = new FieldPosition(NumberFormat.INTEGER_FIELD);
}
protected void print(float f, float c) {
String fs = dff.format(f, new StringBuffer(), fp).toString();
fs = prependSpaces(4 - fp.getEndIndex(), fs);
String cs = df.format(c, new StringBuffer(), fp).toString();
cs = prependSpaces(4 - fp.getEndIndex(), cs);
System.out.println(fs + " " + cs);
}
protected String prependSpaces(int n, String s) {
String[] res = {
"", " ", " ", " ", " ", " "
};
if (n