public static String MainCharacterInitialization() {
System.out.println("*Введите ваше имя*");
Scanner MainCharacterScanner = new Scanner(System.in);
String MainCharacterName = MainCharacterScanner.nextLine();
return MainCharacterName;
}

public static void CharacterName() {
    String GGName = MainCharacter();
    System.out.println(GGName + ": ");
}

CharacterName();
    System.out.println("Тебя как звать то?");

class MainCharacter {

    String MainCharacterName;

    MainCharacter(String MainCharacterName){
        this.MainCharacterName = MainCharacterName;
    }

}

class Talking {

    public static void main(String[] args) {
        System.out.println("*Введите ваше имя*");
        Scanner MainCharacterScanner = new Scanner(System.in);
        String mainCharacterName = MainCharacterScanner.nextLine();

        MainCharacter one = new MainCharacter(mainCharacterName);

        //Вопрос
        System.out.println(one.MainCharacterName + "Тебя как звать то?");

    }

}