求大神帮忙看看哪里出错了?
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=num/10;
}
System.out.println("它是个"+count+"位数!");
}
}
}
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=num/10;
}
System.out.println("它是个"+count+"位数!");
}
}
}
2016-04-09
举报