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、ISBN978-487311-294-7)の 第8章(配列)10.9(練習問題)問題10-1を解いてみる。
その他参考書籍
問題10-1.
コード
using System; class Dog { private int weight; private string name; public int Weight { get; set; } public string Name { get; set; } public Dog(int weight, string name) { this.weight = weight; this.name = name; } public override string ToString() { return "Name:" + name + " Weight:" + weight; } } 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 }; foreach (Dog dog in dogs) { Console.WriteLine(dog); } } static void Main() { Tester t = new Tester(); t.Run(); } }
入出力結果(Console Window)
Name:Milo Weight:26 Name:Frisky Weight:10 Name:Laika Weight:50 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(TextWrangler)
var result = ""; var Dog = function(weight, name){ var weight = weight; var name = name; this.get_weight = function(){ return weight; }; this.set_weight = function(value){ weight = value; }; this.get_name = function(){ return name; }; this.set_name = function(value){ name = value; }; this.toString = function(){ return "Name:" + name + " Weight:" + weight; }; }; var milo = new Dog(26, "Milo"); var frisky = new Dog(10, "Frisky"); var laika = new Dog(50, "Laika"); var dogs = [milo, frisky, laika]; for(var i = 0; i < dogs.length; i++){ result += dogs[i].toString() + "\n"; } $('#pre0').text(result);
pythonの場合。
sample.py
コード(TextWrangler)
#!/usr/bin/env python3.3 # -*- coding: utf-8 -*- class Dog: # pythonではprivateは作れない # 先頭に下線を付けておく def __init__(self, weight, name): self._weight = weight self._name = name # プロパティっぽいものを名前を動詞にして定義 def get_weight(self): return self._weight def set_weight(self, weight): self._weight = weight def get_name(self): return self._name def set_name(self, name): self._name = name def __str__(self): return "Name:{0} Weight:{1}".format(self._name, self._weight) milo = Dog(26, "Milo") frisky = Dog(10, "Frisky") laika= Dog(50, "Laika") dogs = [milo, frisky, laika] for dog in dogs: print(dog)
入出力結果(Terminal)
$ ./sample.py Name:Milo Weight:26 Name:Frisky Weight:10 Name:Laika Weight:50 $
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