Create lengthOfLastWord.java

Author: Trmpsanjay

lengthOfLastWord.java

@@ -0,0 +1,23 @@
+class Solution {
+    public int lengthOfLastWord(String s) {
+        if(s.length()==0){
+            return 0;
+        }
+        int count = 0;
+        int length = s.length()-1;
+        int i = s.length()-1;
+        while(s.charAt(i)==' '){
+            length--;
+            i--;
+            if(i<0)
+                return 0;
+        }
+        for(int j=length;j>=0;j--){
+            if(s.charAt(j) ==' ')
+                break;
+            else
+                count++;
+        }
+        return count;
+    }
+}