TQC+ JAVA 102

TQC+ JAVA102 單位換算

import java.util.*;

public class JPA01 {
public static void main(String[] args){
System.out.print("Please input:");

Scanner keyboard = new Scanner (System.in);
double kg=keyboard.nextDouble();
System.out.printf("%f kg = %f ponds",kg,kg*2.20462);
}
}