不是很懂解释下谢谢
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!");
}
}
2016-01-20
举报