alan dipert

The March of Progress

• 1980: C

  printf("%10.2f", x);

• 1988: C++

  cout << setw(10) << setprecision(2) << showpoint << x;

• 1996: Java

  java.text.NumberFormat formatter = java.text.NumberFormat.getNumberInstance(); formatter.setMinimumFractionDigits(2); formatter.setMaximumFractionDigits(2); String s = formatter.format(x); for (int i = s.length(); i < 10; i++) System.out.print(' '); System.out.print(s);

• 2004: Java

  System.out.printf("%10.2f", x);

• 2008: Scala and Groovy

  printf("%10.2f", x)

via horstmann.com