public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
do {
count++;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 score=68;
String mark =(scor>=60)?"及格" : "不及格";
System.out.println("考试成绩如何："+mark);
}
}
为啥点了提交没反应呀。。。
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 1;
for(int i=10;num/i !=0; i=i*10)
count++;
System.out.print("它是个"+count+"位的数！");
}
}
