Java 随机产生课堂点名程序。6个同学

package 小王的java;
import java.util.Random;
public class W20 {

	public static void main(String[] args) {
		//随机产生课堂点名程序。6个同学
		Random rand = new Random();
		int r = rand.nextInt(6)+1;
		switch (r) {
		case 1:
			System.out.print("小王1");
			break;
		case 2:
			System.out.print("小王2");
			break;
		case 3:
			System.out.print("小王3");
			break;
		case 4:
			System.out.print("小王");
			break;
		case 5:
			System.out.print("小王5");
			break;
		case 6:
			System.out.print("小王6");
			break;

		default:
			System.out.print("输入有误");
			break;
		}

	}

}