cant find out whats wrong with my program. 9 errors.

public class Example {
    public static void main(String[] args) {
        System.out.println("we are making a new pen dispenser");
        newPen dispenser = new newPen("yoda");
        System.out.printf(" the dispenser is %s %n", dispenser.getCharacterName());
    }

    // these 2 lines should be within the main method body ^
    String before = dispenser.swapHead(" Darth Vader"); 
    System.out.printf( " it was %s but chris switched it to %s %n", before, dispenser.getCharacterName());
}

class newPen { // class names should start with a capital letter and be a noun (see #1)
    private String characterName;

    public newPen(String characterName) {
        this.characterName = characterName;
    }

    public String getCharacterName() {
        return characterName;
    }

    public String swapHead(String characterName) {
        String originalCharacterName = this.characterName;
        this.characterName = characterName;
        retrun originalCharacterName; // misspelling on the word "return"
    }
}