作业1 三次作业
1.2
public class Figure
{
public static void main(String[] args)
{
System.out.println(" J A V V A");
System.out.println(" J A A V V A A");
System.out.println("J J AAAAAA V V AAAAA");
System.out.println(" J J A A V A A");
}
}
1.8
public
class
Main {
public
static
void
main(String args[]) {
Scanner sc =
new
Scanner(System.in);
System.out.print(
"半径为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(
"圆的面积:"
+ s +
",圆的周长:"
+ 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;
}