为什么提示我错误
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
if(num>0&&num<=999999999){
while(num!=0){
num/=10;
count++;
}
System.out.println("它是个"+count+"位的数!");
}else{
System.out.println("输入错误");
}
}
}
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
if(num>0&&num<=999999999){
while(num!=0){
num/=10;
count++;
}
System.out.println("它是个"+count+"位的数!");
}else{
System.out.println("输入错误");
}
}
}
2016-03-28
举报