class Beer {
	private String name = "ビール";
	private int amount=1;
 
	public Beer() {
	}
 
	public Beer(String name) {
		this.name = name + this.name;
	}
 
	public Beer(String name, int amount) {
		this(name);
		this.amount = amount;
	}
 
	void drinkBeer(){
		System.out.println(name+"をジョッキで"+amount+"杯飲んだ。");
	}
}
class BeerPub {
	public static void main(String [] args){
		Beer b = new Beer("ドイツ",5);
		b.drinkBeer();
	}
}

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