这样写咋样?
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
String str = String.valueOf(num);
count = str.length();
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;
String str = String.valueOf(num);
count = str.length();
System.out.println("它是个"+ count+"位的数!");
}
}
2017-02-24
举报