把字符串转成char[] 除了我还能有谁 (效率down down)
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner scan = new Scanner(System.in);
char[] str = scan.nextLine().toCharArray();
int j,k;
for(int i = 0; i<str.length;i+=8){
for(j = i;j - i < 8 && j<str.length;j++){
System.out.print(str[j]);
}
for(k = 8 - j%8;k>0&&j%8!=0;k--){
System.out.print("0");
}
System.out.println();
}
}
}