运行成功 输入错误是哪里出问题了
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
if(num>0&&num<=999999999){
do{
num/=10;
count++;
}
while(num>=1);
System.out.println("它是个"+count+"位的数!");
}
}
}
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public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
if(num>0&&num<=999999999){
do{
num/=10;
count++;
}
while(num>=1);
System.out.println("它是个"+count+"位的数!");
}
}
}
2019-03-19
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