可否颠倒顺序
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("输入有误!");
}
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("输入有误!");
}
2016-11-02
举报