Last_Word_len.java

// Given a string s consisting of words and spaces, return the length of the last word in the string.

// A word is a maximal 
// substring
//  consisting of non-space characters only.
// Example 1:

// Input: s = "Hello World"
// Output: 5
// Explanation: The last word is "World" with length 5.
// Example 2:
// Input: s = "   fly me   to   the moon  "
// Output: 4
// Explanation: The last word is "moon" with length 4.
// Example 3:

// Input: s = "luffy is still joyboy"
// Output: 6
// Explanation: The last word is "joyboy" with length 6.
 

// Constraints:

// 1 <= s.length <= 104
// s consists of only English letters and spaces ' '.
// There will be at least one word in s.


class Solution {
    public int lengthOfLastWord(String s) {
       s = s.trim();

       if(s.isEmpty()){
           return 0;
       }

       String[] word = s.split(" ");

       String lastWord = word[word.length - 1];

       return lastWord.length();
    }
}