错哪儿了？怎么老是通不过？？
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
while(num>=1){
count++；
num/=10;
}
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;
while(num>=1){
count++；
num/=10;
}
System.out.println("它是个"+count+"位的数！");
}
}
2016-01-17
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