判斷一個數的位數,這個代碼哪里出了問題呢
public?class?HelloWorld{ public?static?void?main(String[]?args){ int?num?=?999; int?count?=?0; for(;?count<=10;count++) { ????for(int?i=?0;i<=Math.pow(10,(count+1));i++) ????{ ????????if((num-i)>=0) ????????{ ????????????continue; ????????} ????????else{ ????????????break; ????????} ????} ???break; }??? System.out.println("它是個"+count+"位的數!"); } 提示是:error:?reached?end?of?file?while?parsing } ^ 1?error
2015-09-06
最后缺了}。括號是成對出現滴~~