Java integer overflow

A.java

class User{
    public Integer money;

    public User(Integer money){
        this.money = money;
    }

    public Integer getMoney(){
        return this.money;
    }

    public void setMoney(Integer money){
        this.money = money;
    }
}

public class A{

    public static void main(String[] args) throws Exception{

        // initial
        Integer money = 100;
        User user = new User(money);
        System.out.println("BEFORE="+user.getMoney());

        // set price
        int price = Integer.MAX_VALUE/7*100+1;
        System.out.println("PRICE="+price);

        // validate price
        if(price<0){
            return;
        }

        // calculate vat
        Integer vat_amount = (int)(price * 7 / 100);
        System.out.println("VAT="+vat_amount);

        // set User's money
        user.setMoney( user.getMoney() - vat_amount);
        System.out.println("AFTER="+user.getMoney());

    }
}