我的条件陈述书需要协助

Question

我正在尝试编写代码，以便用户输入eventType的值时，它在我的最终声明中会打印出三明治，炸鸡或巴马干酪，但会出现错误。

import java.util.Scanner;

public class eating {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        System.out.println("Is this a casual, semi-formal, or formal event?");
        String eventType = scanner.next();
        // String[] eventType = { "casual", "semi-formal", "formal" };
        // String[] mealSuggestion = { "sandwiches", "fried chicken", "chicken parmesan"
        // };
        if (eventType == "casual")
            System.out.print("sandwich");
        if (eventType == "semi-formal")
            System.out.print("chicken");
        if (eventType == "formal")
            System.out.print("chicken parmesan");

        System.out.println("How many people are in your party?");
        int partySize = scanner.nextInt();

        System.out.print("Since you are hosting a " + eventType);
        System.out.print(" event for " + partySize);
        System.out.print(" participants, you should serve " + eventType);

        String[] prepSuggestion = { "in the microwave", "in your kitchen", "by a caterer" };
        System.out.print(" prepared" + prepSuggestion);

        String result;

    }

}

这是当前打印出的内容：

Since you are hosting a casual event for 30 participants, you should servecasual prepared[Ljava.lang.String;@4c203ea1