java convert cm to inches
/*
* Constants for inch, meter and kilometer in 1 centimeter.
*/
final double INCH = 0.394;
final double METER = 0.01;
final double KILOMETER = 0.00001;
Scanner in = new Scanner(System.in);
/* Read centimeter input from user */
System.out.print("Enter length in centimeters : ");
double cm = in.nextDouble();
/* Convert cm into inch, m and km */
double inch = cm * INCH;
double m = cm * METER;
double km = cm * KILOMETER;
/* Print result on console */
System.out.println(cm + " cm is equal to " + inch + " inches.");
System.out.println(cm + " cm is equal to " + m + " meters.");
System.out.println(cm + " cm is equal to " + km + " kilometers.");