牛课网上的题目 char '1'和 int 1给我好好上了一课 package suanfa; import java.util.*; public class Main{ public static void main(String[] args){ Scanner in = new Scanner(System.in); while(in.hasNext()){ String s = in.nextLine(); s = s.substring(2); int l = s.length();
把字符串数组转换为16进制字符串 import java.security.MessageDigest; public class StringUtil { public StringUtil() { super(); } public static String str; public static final String EMPTY_STRING = ""; private final static String[] hexDigits = { "0", &q