第2章 变量、数据类型和运算符

class Mp3 {
    
	public static void main(String[] args) {
    
	String brand="爱国者F928";
	double weight=12.4;
	String type="内置锂电池";
	int price=499;
	System.out.println("品牌（brand）:"+brand);
	System.out.println("重量（weight）:"+weight);
	System.out.println("电池类型（type）:"+type);
	System.out.println("价格（Price）："+price);


	}
}

class DayData {
    
	public static void main(String[] args) {
    
        int day=46;
		int zhouShu=(int)(46/7);
		int shengYuTianShu=day%7;
		System.out.println("周数："+zhuShu+"剩余天数"+shengYuTianShu);
	}
}

class Encryption {
    
	public static void main(String[] args) {
    
	int i=10;
	int result=(int)((i*10+5)/2+3.14159);
		System.out.println("加密结果："+result);
	}
}

class Apple {
    
	public static void main(String[] args) {
    
	int shu =20;
	double fenE=shu*0.098+shu;
		System.out.println("份额："+fenE);
	}
}