哪里有错误?我用eclipse可以运行出正确结果的。
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
do{count++;
num=num/10;
}while(num!=0);
System.out.println("它是个"+count+"位的数!");
}
}public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
do{count++;
num=num/10;
}while(num!=0);
System.out.println("它是个"+count+"位的数!");
}
}2017-07-06
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