每天一道LeetCode--434. Number of Segments in a String

Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters.

For example,

Input:

"Hello, my name is John"

Output:

5

public int countSegments(String s) {
String trimmed = s.trim();
if (trimmed.length() == 0)
return 0;
else
return trimmed.split("\\s+").length;
}