作業1
阿新 • • 發佈：2017-09-11
time ces index word avg num size welcome mil
1.2
public class welcome
{
public static void main(String[] args){
System.out.println("Welcome to java!");
System.out.println("Welcome to java!");
System.out.println("Welcome to java!");
System.out.println("Welcome to java!");
System.out.println("Welcome to java!");}
}
1.8
public class Main { public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
System.out.print("半徑為5.5");
int r = sc.nextInt();
sc.close();
double s = Math.PI * 5.5 * r;
double c = Math.PI * 5.5 * 2;
System.out.println("圓的面積：" + s + "，圓的周長："+ c);
}
}
1.12
public double getAvg(double time,double len){
double hour = time/60;
double _len = len/1.6;
double avg = _len/hour;
return avg;
}
作業1