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Product.java
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Product.java
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package project;
public class Product{
private double price;
private int ID;
private int amount;
private double[] ratings;
public Product(double p, int id, int a, double r, int nr){
price = p;
ID = id;
amount = a;
ratings = new double[nr];
for(int i=0; i<nr; i++)
ratings[i] = r;
}
public void addSingle(){
amount++;
}
public void addBulk(int n){
amount += n;
}
public void remove(int n){
amount -= n;
if(amount < 0)
amount = 0;
}
public void addRating(int r){
double[] temp = new double[ratings.length+1];
for(int i=0; i<ratings.length; i++)
temp[i]=ratings[i];
temp[ratings.length] = r;
ratings = temp;
}
public double getPrice(){
return price;
}
public int getID(){
return ID;
}
public int getAmount(){
return amount;
}
public double getAverageRating(){
double sum = 0.0;
for(int i=0; i<ratings.length; i++)
sum += ratings[i];
double average = 1.0*sum/ratings.length;
return (Math.round(average*10))/10.0;
}
public String getInfo(){
return (price + ",\t" + ID + ",\t" + amount + ",\t" + getAverageRating() + ",\t" + ratings.length);
}
}