public class Main {
// Returns the last word from a string.
// Empty or whitespace-only strings return an empty string.
public static String getLastWord(String input) {
if (input == null || input.isBlank()) {
return "";
}
// Trim leading/trailing whitespace
String trimmed = input.trim();
// Split on whitespace
String[] parts = trimmed.split("\\s+");
// Return the last element
return parts[parts.length - 1];
}
public static void main(String[] args) {
String[] tests = {
"vb.net javascript php c c# python c++",
"",
"c#",
"c c++ java ",
" "
};
for (int i = 0; i < tests.length; i++) {
System.out.println((i + 1) + ". " + getLastWord(tests[i]));
}
}
}
/*
run:
1. c++
2.
3. c#
4. java
5.
*/
