哪里错了？应该怎么改
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
int i=1;
while (num%i!=0){
i=i*10;
count++;}
System.out.println("它是个"+ count+"位的数！");
}
}
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public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
int i=1;
while (num%i!=0){
i=i*10;
count++;}
System.out.println("它是个"+ count+"位的数！");
}
}
2018-09-22
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