public?class?HelloWorld?{
????public?static?void?main(String[]?args)?{
????????int?score?=?53;?
????????int?count?=?0;
????????System.out.println('加分前成績：'?+?score);
????????while(score?<?60){
????????????score?=?score?+?1;
????????????count?=?count?+?1;
????????}
????????System.out.println('加分后成績：'?+?score);
????????System.out.println('共加了'?+?count?+?'次！');
?????????
????}
}錯誤在哪兒咧？
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