exercise4_5.java

Introduction to java programming 一书中所有编程练习部分的源码

public class Exercise4_5 {
    public static void main(String[] args) {
        System.out.println("Feet\t\tMeters\t|\tMeters\tFeet");
        System.out.println("---------------------------------------------");
        
        double foot = 1; double meter = 20;
        for (int i = 1; i <= 10; foot++, meter+=5, i++) {
            System.out.println(foot + "\t\t" + footToMeter(foot) + "\t|\t" + meter + "\t\t" + meterToFoot(meter));
        }
    }
    
    /** Converts from feet to meters */
    public static double footToMeter(double foot) {
        return 0.305 * foot;
    }
    
    /** Converts from meters to feet */
    public static double meterToFoot(double meter) {
        return (1 / 0.305) * meter;
    }
}