这是什么意思啊帮忙解答下详细点谢谢
if (num >= 0 && num<=999999999){
while(num != 0){
count++;
num/=10;
}
System.out.println("它是个"+ count+"位的数!");
} else{
System.out.println("输入有误!");
}
if (num >= 0 && num<=999999999){
while(num != 0){
count++;
num/=10;
}
System.out.println("它是个"+ count+"位的数!");
} else{
System.out.println("输入有误!");
}
2016-10-27
举报