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class Rei1_1{
   public static void main(String[] args){
   }
}

class Rei1_1{
   static void Main(){
   }
}

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//クラスRei1
class Rei1_2{
   /*mainメソッドの始まり*/
   public static void main(String[] args){
   }
}

//クラスRei1
class Rei1_2{
   /*Mainメソッドの始まり*/
   static void Main(){
   }
}

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//文字列を出力するプログラム
class Rei2_1{
   public static void main(String[] args){
      System.out.println("Java");
      System.out.println("ジャワ島");
      System.out.print("ゲーム作りたいよ");
      System.out.print("初めての秋葉原");
   }
}

using System;  //Systemを省略できる(Javaは省略不可
class Rei2_1{
   static void Main(){
      System.Console.WriteLine("C#");
      Console.WriteLine("C#とJava");
      System.Console.Write("ゲーム作りたいよ");
      Console.Write("初めての秋葉原");
   }
}

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//変数を使ったプログラム
class Rei3_1{
    public static void main(String args[]){
        int     a = 10;
        double  b = 20.5;
        char    c = 'あ';
        boolean d = true;
        
        System.out.println("a = " + a);
        System.out.println("b = " + b);
        System.out.println("c = " + c);
        System.out.println("d = " + d);
        
        a = 20;
        b = 3.14159;
        c = 'd';
        d = false;
        
        System.out.println("a = " + a);
        System.out.println("b = " + b);
        System.out.println("c = " + c);
        System.out.println("c = " + d);
    }
}

using System;
class Rei3_1{
    static void Main(){
        int     a = 10;
        double  b = 20.5;
        char    c = 'あ';
        bool    d = true;
        
        Console.WriteLine("a = " + a);
        Console.WriteLine("b = " + b);
        Console.WriteLine("c = " + c);
        Console.WriteLine("d = " + d);
        
        a = 20;
        b = 3.14159;
        c = 'd';
        d = false;
        
        Console.WriteLine("a = " + a);
        Console.WriteLine("b = " + b);
        Console.WriteLine("c = " + c);
        Console.WriteLine("c = " + d);
    }
}

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//定数を使ったプログラム
class Rei3_4{
    public static void main(String args[]){
        int num1, num2, num3 ,num4;
        final int A = 10;
        
        num1 = A + 3; 
        num2 = A - 4;
        num3 = A * 2;
        num4 = A / 5;
        
        System.out.println("num1 = " + num1);
        System.out.println("num2 = " + num2);
        System.out.println("num3 = " + num3);
        System.out.println("num4 = " + num4);
    }
}

using System;
class Rei3_4{
    static void Main(){
        int num1, num2, num3 ,num4;
        const int A = 10;
        
        num1 = A + 3; 
        num2 = A - 4;
        num3 = A * 2;
        num4 = A / 5;
        
        Console.WriteLine("num1 = " + num1);
        Console.WriteLine("num2 = " + num2);
        Console.WriteLine("num3 = " + num3);
        Console.WriteLine("num4 = " + num4);
    }
}

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//演算を行うプログラム
class Rei4_1_1{
    public static void main(String args[]){
        int a = 1;
        int b = 2;
        int c = 3;
        
        a = a + b * c;   //a = 7
        c = a * 5;       //c = 35
        b++;             //b = 3
        
        System.out.println("a = " + a);
        System.out.println("b = " + b);
        System.out.println("c = " + c);
        
        int d = 10;
        d = d % 3;
        
        System.out.println("d = " + d);
        
        //出力するときに計算することも可能♪
        System.out.println("6 / 3 = " + (6 / 3));
        System.out.println("a * b = " + (a * b));
    }
}

using System;
class Rei4_1_1{
    static void Main(){
        int a = 1;
        int b = 2;
        int c = 3;
        
        a = a + b * c;   //a = 7
        c = a * 5;       //c = 35
        b++;             //b = 3
        
        Console.WriteLine("a = " + a);
        Console.WriteLine("b = " + b);
        Console.WriteLine("c = " + c);
        
        int d = 10;
        d = d % 3;
        
        Console.WriteLine("d = " + d);
        
        //出力するときに計算することも可能♪
        Console.WriteLine("6 / 3 = " + (6 / 3));
        Console.WriteLine("a * b = " + (a * b));
    }
}