使用递归来给字符串截取和补足8位
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while (scanner.hasNext()){
String line = scanner.next();
sub8(line);
}
}
private static void sub8(String line){
if (line.length() <= 8){
int i = 8 - line.length();
for (int j = 0; j < i; j++) {
line = line.concat("0");
}
System.out.println(line);
} else {
String substring = line.substring(0, 8);
System.out.println(substring);
String substring1 = line.substring(8);
sub8(substring1);
}
}
}