Leetcode- number of words in string - simple

title ：434 Number of words in string - Simple

subject

Count the number of words in the string , The words here refer to consecutive characters that are not spaces .

Please note that , You can assume that the string does not contain any non printable characters .

Example

 Input : "Hello, my name is John"
 Output : 5
 explain :  The word here refers to consecutive characters that are not spaces , therefore  "Hello,"  Count as  1  Word .

Code Java

//  Division method   Not tested 
public int countSegments(String s) {
    
    String[] strings = s.split(" ");
    return strings.length;
}
public int countSegments1(String s) {
    
    int count = 0;
    for (int i = 1; i < s.length(); i++) {
    
        if (s.charAt(i - 1) == ' ' && s.charAt(i) != ' ') {
    
            count ++;
        }
    }
    if (s.charAt(0) == ' ')
        return count;
    return count + 1;
}