package comm.imooc;import java.util.Scanner;public class testone {?public static void main(String[] args) {??Scanner input = new Scanner(System.in);??int score = input.nextInt();??int count = 0;????System.out.println("累加前的成績(jī)?yōu)椋?+score);??while(score<60){???score+=1;???count++;??}??System.out.println("累加后的成績(jī)?yōu)椋?+score);??System.out.println("累加了"+count+"次");???}}點(diǎn)擊運(yùn)行就報(bào)：java.lang.NoClassDefFoundError: java/util/Scanner?at comm.imooc.testone.main(testone.java:6)Exception in thread "main"
代碼報(bào)錯(cuò)，求助
慕粉18510726499
2016-10-28 10:07:54
沒(méi)有問(wèn)題