哪错了？没报错，无法运行。
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
int i=1;
for(;i!=0;){
i=num/10;
count+=1;
}
System.out.println("它是个"+count+"位数");
}
}
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public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
int i=1;
for(;i!=0;){
i=num/10;
count+=1;
}
System.out.println("它是个"+count+"位数");
}
}
2016-07-30
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