为什么运行成功输出错误
public class HelloWorld{
public static void main(String[] args){
int num=999;
int count=0;
while(num>0&&num<999999999) {
count++;
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;
while(num>0&&num<999999999) {
count++;
num/=10;
}
System.out.println("它是个"+count+"位的数!");
}
}2017-09-17
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