题目描述

Java语法练习

import java.util.Scanner;

class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
double a = sc.nextDouble();
double b = sc.nextDouble();
double c = sc.nextDouble();
double pi = 3.14159;
System.out.printf(“TRIANGULO: %.3f\n”, a * c / 2);
System.out.printf(“CIRCULO: %.3f\n”, pi * c * c);
System.out.printf(“TRAPEZIO: %.3f\n”, (a+b) * c / 2);
System.out.printf(“QUADRADO: %.3f\n”, b * b);
System.out.printf(“RETANGULO: %.3f\n”, a * b);
}
}