[58] length of the last word [leetcode]

1. Title Description

Give you a string  s, It consists of several words , Words are separated by some space characters . Return string   the last one   The length of the word .

word   It's just letters 、 The largest substring that does not contain any space characters .

Example 1：

 Input ：s = "Hello World"
 Output ：5
 explain ： The last word is “World”, The length is 5.

Example 2：

 Input ：s = "   fly me   to   the moon  "
 Output ：4
 explain ： The last word is “moon”, The length is 4.

Example 3：

 Input ：s = "luffy is still joyboy"
 Output ：6
 explain ： The last word is... In length 6 Of “joyboy”.

Tips ：

• 1 <= s.length <= 104
• s  Only English letters and spaces  ' '  form
• s  At least one word exists in

2. Core code ​​​​​​​

class Solution {
    public int lengthOfLastWord(String s) {
        String[] split = s.split(" ");
        return split[split.length - 1].length();
    }
}

3. Test code ​​​​​​​

class Solution {
    public int lengthOfLastWord(String s) {
        String[] split = s.split(" ");
        return split[split.length - 1].length();
    }
}
// @solution-sync:end

class Main {

    public static void main(String[] args) {
        String s = "Hello World";

        int result = new Solution().lengthOfLastWord(s);
        System.out.println(result);
    }

}