小白求救,怎么改
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
for(;;){
if(num/10<10)
count++;
num = num / 10;
}
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;
for(;;){
if(num/10<10)
count++;
num = num / 10;
}
System.out.println("它是个"+count+"位的数!");
}
}
2016-11-24
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