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import java.lang.*; //C#に合わせる為使用。普段は省略

class Rei21_1{
    public static void main(String[] args){
        PersonalComputer pc =
            new PersonalComputer
                (2.4, 100, 512, "DVD-RW"); 

        pc.getStatus();
        pc.look();
        pc.record();
    }
}

interface TelevisionTuner{
    public abstract void look();
    public abstract void record();
}

class PersonalComputer implements TelevisionTuner{
    private double cpu;      //単位はGHz
    private int hdd;         //単位はGB
    private int memory;      //単位はMB
    private String drive;    //CD-ROMドライブなど

    public PersonalComputer
            (double c, int h, int m, String d){
        cpu = c;
        hdd = h;
        memory = m;
        drive = d;
    }

    public void getStatus(){
        System.out.println("CPU: " + cpu  + "GHz");
        System.out.println("HDD: " + hdd  +  "GB");
        System.out.println("Mem: " + memory+ "MB");
        System.out.println("Drive: " + drive);
        System.out.println("テレビ録画OK");
    }

    public void look(){
        System.out.println
            ("パソコンでテレビを見るです");
    }

    public void record(){
        System.out.println
            ("パソコンでテレビを録画するです");
    }
}

using System;

class Rei21_1{
    static void Main(){
        PersonalComputer pc =
            new PersonalComputer
            (2.4, 100, 512, "DVD-RW"); 

        pc.getStatus();
        pc.look();
        pc.record();
    }
}

interface TelevisionTuner{
    void look();
    void record();
}

class PersonalComputer : TelevisionTuner{
    private double cpu;      //単位はGHz
    private int hdd;         //単位はGB
    private int memory;      //単位はMB
    private String drive;    //CD-ROMドライブなど

    public PersonalComputer
        (double c, int h, int m, String d){
        cpu = c;
        hdd = h;
        memory = m;
        drive = d;
    }

    public void getStatus(){
        Console.WriteLine("CPU: " + cpu  + "GHz");
        Console.WriteLine("HDD: " + hdd  +  "GB");
        Console.WriteLine("Mem: " + memory+ "MB");
        Console.WriteLine("Drive: " + drive);
        Console.WriteLine("テレビ録画OK");
    }

    public void look(){
        Console.WriteLine
            ("パソコンでテレビを見るです");
    }

    public void record(){
        Console.WriteLine
            ("パソコンでテレビを録画するです");
    }
}