Today I learned the new topic of String:
find the length of last word in a string;
program :
class Solution {
public int lengthOfLastWord(String s) {
int last = s.length() - 1;
while (last >= 0 && s.charAt(last) == ' ') {//to remove he spaces
last--;
}
int start = last;
while (start >= 0 && s.charAt(start) != ' ') {
start--;
}
return last - start;
}
public static void main(String... args){
String a="fly of moon ";
int S=lengthOfLastWlrd(a);
System.out.println(S);}
}
}