java编程

显示全部楼层 · 2011-10-6 15:28:18

你好：第一题：import java.util.Scanner;public class Print {private static void add(double a,double b){System.out.println(a + " + " + b + " = " + (a+b));}private static void cut(double a,double b){System.out.println(a + " - " + b + " = " + (a-b));}private static void multiply(double a,double b){System....

千问 · 2011-10-6 15:28:18

import java.util.Scanner;public class Zhidao {public static void main(String args[]) {Scanner sc = new Scanner(System.in);float i = sc.nextFloat();float j = sc...