公?靜電?作廢?main(String[]?args)?{
掃描儀?掃描儀?=?新的?掃描儀(system . in);
int?年級?=?scanner . nextint();
切換?(等級/10){
案子?10:
案子?9:
system . out . println(" grade:"+grade+" \ t?年級?”+“A”);
打破;
案子?8:
system . out . println(" grade:"+grade+" \ t?年級?”+“B”);
打破;
案子?7:
system . out . println(" grade:"+grade+" \ t?年級?”+“C”);
打破;
案子?6:
system . out . println(" grade:"+grade+" \ t?年級?”+“D”);
打破;
默認值:
system . out . println(" grade:"+grade+" \ t?年級?”+“E”);
打破;
}
}
}