错误的理由？？？？？？？？？？？？？？？？
public class HelloWorld{
public static void main(String[] args){
int num = 10;
int count = 0;
for (;num > 0; count ++ ) {
num = num / 10;
}
System.out.println("它是一个" + count + "位的数!");
}
}
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public class HelloWorld{
public static void main(String[] args){
int num = 10;
int count = 0;
for (;num > 0; count ++ ) {
num = num / 10;
}
System.out.println("它是一个" + count + "位的数!");
}
}
2019-06-22
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