package cn.edu.bjut.chapter2;

import java.util.Random;

public class SwitchExample {
	public static void main(String[] args) {
		Random random = new Random(); // 声明随机数类对象并实例化
		float x = random.nextFloat(); // 产生0.0 到1.0 的随机浮点数
		int month = Math.round(11 * x + 1); // 产生1 到12 的随机整数
		switch (month) {
		case 1:
			System.out.println("1月");
			break;
		case 2:
			System.out.println("2月");
			break;
		case 3:
			System.out.println("3月");
			break;
		case 4:
			System.out.println("4月");
			break;
		case 5:
			System.out.println("5月");
			break;
		case 6:
			System.out.println("6月");
			break;
		case 7:
			System.out.println("7月");
			break;
		case 8:
			System.out.println("8月");
			break;
		case 9:
			System.out.println("9月");
			break;
		case 10:
			System.out.println("10月");
			break;
		case 11:
			System.out.println("11月");
			break;
		case 12:
			System.out.println("12月");
			break;
		default:
			System.out.println("错误");
		}
	}
}