應該是對的吧
public?class?HelloWorld{
public?static?void?main(String[]?args){
int?num?=?999;
int?count?=?0;
if(num>0&&num<999999999){
????while(num>0){
????????count++;
????????num/=10;
????}
????System.out.println("它是個"+count+"位的數！");
}
連宏偉HW
2016-01-20
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2016-01-20
最后缺2個 } ;
2016-01-20
public?class?HelloWorld{
public?static?void?main(String[]?args){
int?num?=?999;
int?count?=?0;
if(num>0&&num<999999999){
????while(num>0){
????????count++;
????????num/=10;
????}
????System.out.println("它是個"+count+"位的數！");
}
}
}
2016-01-20
對的呀， 怎么跑不通嗎？
2016-01-20
代碼沒錯，外面還缺一個{大括號