/// <summary> Convert a string of hex digits (ex: E4 CA B2) to a byte array. </summary> /// <param name="s"> The string containing the hex digits (with or without spaces). </param> /// <returns> Returns an array of
题目来源:https://leetcode.com/problems/string-to-integer-atoi/ Implement atoi to convert a string to an integer. Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are the possible in
1.int类型和String类型的相互转换 A.int -- String 推荐用: public static String valueOf(int i) 返回 int 参数的字符串表示形式. B.String -- int 推荐用: public static int parseInt(String s) 将字符串参数作为有符号的十进制整数进行解析 public class IntegerDemo { public static void main(String[] args) { // i