我這里又哪有問題啊？快瘋掉了
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
for(int i=0;i<10;i++){
??? num/=10;
??? count++;
??? if(num<1)
??? break;
}
System.out.println("它是個"+count+"位的數(shù)!");
}
}
慕粉七寶寶
2016-05-09
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2016-06-13
2016-05-10
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
if((num/1)<10)
{
? ? System.out.println("1位數(shù)");
}
if((num/10)<10 && (num/1)>10)
{
? ? System.out.println("1位數(shù)");
}
if((num/100)<10 && (num/10)>10)
{
? ? System.out.println("它是個3位的數(shù)！");
}
}
}
2016-05-09
if 好像不能用break吧