C# - 配列(ジャグ配列)

初めてのC# 第2版
Jesse Liberty (著) Brian MacDonald (著)
日向俊二 (訳)
原書: Learning C# 2005

開発環境

• Microsoft Windows 8 Pro 64bit 日本語 (OS)
• Microsoft Visual Studio Express 2012 for Windows Desktop (IDE)
• プログラミング言語: C#

『初めてのC# 第2版』(Jesse Liberty+Brian MacDonald著、日向俊二訳、オライリー・ジャパン、2006年、ISBN978-487312-194-7)の 第10章(配列)8.5(練習問題)練習10-3.を解いてみる。

その他参考書籍

• プログラミングC# 第6版

練習10-3.

コード

using System;

class Dog
{
    private int weight;
    private string name;
    public Dog(int weight, string name)
    {
        this.weight = weight;
        this.name = name;
    }
    public int Weight
    {
        get { return weight; }
    }
    public string Name
    {
        get { return name; }
    }
}
class Tester
{
    public void Run()
    {
        Dog milo = new Dog(26, "Milo");
        Dog frisky = new Dog(10, "Frisky");
        Dog laika = new Dog(50, "Laika");
        Dog[] dogs = { milo, frisky, laika };
        string[][] awards = new string[dogs.Length][];
        awards[0] = new string[3];
        awards[1] = new string[1];
        awards[2] = new string[2];
        awards[0][0] = "award1";
        awards[0][1] = "award2";
        awards[0][2] = "award3";
        awards[1][0] = "award4";
        awards[2][0] = "award5";
        awards[2][1] = "award6";
        for (int i = 0; i < dogs.Length; i++)
        {
            Console.WriteLine("{0}: {1}", dogs[i].Name, dogs[i].Weight);
            foreach (string award in awards[i])
            {
                Console.Write("{0} ", award);
            }
            Console.WriteLine();
        }
    }
    static void Main()
    {
        Tester t = new Tester();
        t.Run();
    }
}

入出力結果(Console Window)

Milo: 26
award1 award2 award3
Frisky: 10
award4
Laika: 50
award5 award6
続行するには何かキーを押してください . . .

ちなみにJavaScriptの場合。

コード(BBEdit)

var Dog = function( weight, name ) {
    var weight = weight,
        name = name;
    this.getWeight = function (  ) {
        return weight;
    };
    this.getName = function( ) {
        return name;
    };
},
    milo = new Dog(26, "Milo"),
    frisky = new Dog(10, "Frisky"),
    laika = new Dog(50, "Laika"),
    result = "",
    dogs = [milo, frisky, laika],
    awards = {
                  "Milo": ["award1", "award2", "award3"],
                  "Frisky": ["award4"],
                  "Laika": ["award5", "award6"]
             },
    result = "",
    i, max;
for (i = 0, max = dogs.length; i < max; i += 1) {
    result += dogs[i].getName() + ": " + dogs[i].getWeight() + "\n" +
        awards[dogs[i].getName()].join(" ") + "\n";
}
$('#pre0').text(result);

pythonの場合。

コード(BBEdit)

sample.py

#!/usr/bin/env python3.3
#-*- coding: utf-8 -*-

class Dog:
    def __init__(self, weight, name):
        self._weight = weight
        self._name = name
    def getName(self):
        return self._name
    def getWeight(self):
        return self._weight

milo = Dog(26, "Milo")
frisky = Dog(10, "Frisky")
laika = Dog(50, "Laika")
dogs = [milo, frisky, laika]
awards = {milo:["award1", "award2", "award3"], frisky: ["awards4"],
    laika: ["award5", "award6"]}

for dog in dogs:
    print("{0}: {1}".format(dog.getName(), dog.getWeight()))
    print(" ".join(awards[dog]))

入出力結果(Terminal)

$ ./sample.py
Milo: 26
award1 award2 award3
Frisky: 10
awards4
Laika: 50
award5 award6
$