Read the question, write Java on the right, then Run or Check.
QuestionHint and solution stay closed until you open them
Read a word; print yes if it equals its reverse, else no (case-sensitive).
Examples
Input
radar
Output
yes
Input
java
Output
no
Hint
- Compare to new StringBuilder(w).reverse().toString()
Show correct code
Peek only after you have tried. You can still Check your own version.
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String w = in.next();
String rev = new StringBuilder(w).reverse().toString();
System.out.println(w.equals(rev) ? "yes" : "no");
}
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.