java编写程序,从键盘输入圆柱体的底半径r和高h,然后计算其体积并输出.
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import java.util.Scanner;
public class Test {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("input a number as r : ");
int r = sc.nextInt();
System.out.println("input a number as h : ");
int h = sc.nextInt();
System.out.println("圆柱体的体积是:" + (3.14 * r * r * h));
}
}
展开全部
import java.util.Scanner;
public class Test{
public static void main(String args[]){
Scanner sc = Scanner(System.in);
double r = sc.nextInt();//读取的第一个值为半径
double h = sc.nextInt();//读取的第二个值为高
double s = 3.14159*r*r*h;
System.out.println(s);
}
}
public class Test{
public static void main(String args[]){
Scanner sc = Scanner(System.in);
double r = sc.nextInt();//读取的第一个值为半径
double h = sc.nextInt();//读取的第二个值为高
double s = 3.14159*r*r*h;
System.out.println(s);
}
}
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import java.util.Scanner;
public class Volume {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
float r = sc.nextFloat();
float h = sc.nextFloat();
double vol = new Volume().volume(r, h);
System.out.println("The volume of yuanzhu is :" + vol);
}
public double volume(float r,float h){
double vol =3.1415*r*r*h;
return vol;
}
}
public class Volume {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
float r = sc.nextFloat();
float h = sc.nextFloat();
double vol = new Volume().volume(r, h);
System.out.println("The volume of yuanzhu is :" + vol);
}
public double volume(float r,float h){
double vol =3.1415*r*r*h;
return vol;
}
}
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,天回玉垒作长安。万国同风共一时
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