Commit ithsjava25#2 - Added abstract Product base class

Author: NathaliHoushmand

src/main/java/com/example/Product.java

@@ -0,0 +1,36 @@
+package com.example;
+
+import java.math.BigDecimal;
+import java.util.Objects;
+import java.util.UUID;
+
+  /*
+  * Abstrakt basklass för produkter
+  * Innehåller id, namn, kategori och pris
+  */
+public abstract class Product {
+
+    private final UUID id;
+    private final String name;
+    private final Category category;
+    private BigDecimal price;
+
+    protected Product(UUID id, String name, Category category, BigDecimal price) {
+        this.id = Objects.requireNonNull(id);
+        this.name = Objects.requireNonNull(name);
+        this.category = Objects.requireNonNull(category);
+        this.price = Objects.requireNonNull(price);
+    }
+
+    //Getters
+    public UUID uuid() { return id; }
+    public String name() { return name; }
+    public Category category() { return category; }
+    public BigDecimal price() { return price; }
+
+    //Setter för pris
+    public void price(BigDecimal newPrice) { this.price = Objects.requireNonNull(newPrice); }
+
+    //Abstrakt metod för produktdetaljer
+    public abstract String productDetails();
+}