请问有什么错误吗??
public class HelloWorld{
public static void main(String[] args){
int num = 9999;
int count = 0;
for(int i=1;i<=num;i=i*10){
count++;
}
System.out.println("它是个"+count+"位的数");
}
}
public class HelloWorld{
public static void main(String[] args){
int num = 9999;
int count = 0;
for(int i=1;i<=num;i=i*10){
count++;
}
System.out.println("它是个"+count+"位的数");
}
}
2019-01-17
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