大家轻松一下:编程的进步!
The March of Progress
C
printf("%10.2f", x);
C++
cout << setw(10) << setprecision(2) << showpoint << x;
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);
摘录自core java作者的主页。