public class HelloWorld{ public static void main(String[] args){ int num = 999; int count = 0; if(num>0&&num<999999999){ while(num>0){ count++; num/=10; } System.out.println("它是个"+count+"位的数!"); }
最后缺2个 } ;
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
if(num>0&&num<999999999){
while(num>0){
count++;
num/=10;
}
System.out.println("它是个"+count+"位的数!");
}
}
}
对的呀, 怎么跑不通吗?
代码没错,外面还缺一个{大括号