如何初始化对象数组并传递字符串数组？文本骰子游戏开发问询

Hey there! Let's walk through exactly how to set up the object array initialization and string array passing you need for your text-based Qwixx dice game. I'll use Java for the example (since your description mentions constructors and object arrays, this is the most common language for this kind of school project).

Step 1: Define the Player Class #

First, create a simple Player class that holds a player's name and has a constructor to accept that name:

public class Player {
    private String name;

    // Constructor that takes a player's name
    public Player(String playerName) {
        this.name = playerName;
    }

    // Optional: Getter to access the name later
    public String getName() {
        return name;
    }
}

Step 2: Build the Qwixx Class with Object Array Initialization #

Next, your Qwixx class will take a string array of player names in its constructor, then initialize a Player object array by iterating over that string array:

public class Qwixx {
    private Player[] players;

    // Constructor that accepts the string array of player names
    public Qwixx(String[] playerNames) {
        // Initialize the Player array to match the length of the input string array
        this.players = new Player[playerNames.length];

        // Iterate over each name and create a Player object for it
        for (int i = 0; i < playerNames.length; i++) {
            this.players[i] = new Player(playerNames[i]);
        }
    }

    // Optional: Method to verify players are initialized correctly
    public void printPlayers() {
        System.out.println("Game players:");
        for (Player player : players) {
            System.out.println("- " + player.getName());
        }
    }
}

Step 3: Main Game Flow (Collecting Input & Initializing Everything) #

Now put it all together in your main program, where you collect user input for player count and names:

import java.util.Scanner;

public class QwixxGameLauncher {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        // Step 1: Get number of players
        System.out.print("Enter number of players: ");
        int playerCount = scanner.nextInt();
        scanner.nextLine(); // Consume the leftover newline to avoid input issues

        // Step 2: Create string array and collect player names
        String[] playerNames = new String[playerCount];
        for (int i = 0; i < playerCount; i++) {
            System.out.print("Enter name for player " + (i + 1) + ": ");
            playerNames[i] = scanner.nextLine();
        }

        // Step 3: Initialize Qwixx object with the player names array
        Qwixx game = new Qwixx(playerNames);

        // Test to make sure players are set up correctly
        game.printPlayers();

        scanner.close();
    }
}

Key Explanations #

• When you pass the playerNames string array to the Qwixx constructor, we first create a Player array of the same length to match the number of players.
• The loop in the Qwixx constructor takes each name from the string array and uses it to instantiate a new Player object, storing it in the corresponding index of the players array.
• The Scanner code handles collecting user input properly—note the scanner.nextLine() after nextInt() to avoid skipping the first name input (a common gotcha with Java's Scanner).

This setup exactly matches the logic you outlined: collect player names into a string array, pass that array to the Qwixx constructor, and initialize the Player object array from there.

内容的提问来源于stack exchange，提问作者JSON_Derulo