added tech_store

Technikladen/Product.java

@@ -0,0 +1,36 @@
+package tech_store;
+
+public class Product {
+	private int productID;
+	private String productName;
+	private int productPrice;
+	private int productAmount;
+	public Product(int id, String name, int price, int amt) {
+		this.productID = id;
+		this.productName = name;
+		this.productPrice = price;
+		this.productAmount = amt;
+	}
+	public int getID() {
+		return this.productID;
+	}
+	public String getName() {
+		return this.productName;
+	}
+	public int getPrice() {
+		return this.productPrice;
+	}
+	public int getAmount() {
+		return this.productAmount;
+	}
+	public void reduceAmount(int amt) {
+		if (this.productAmount < amt) {
+			System.out.println("Not enough of product " + this.productID + "(" + this.productName + ") available!");
+			return;
+		}
+		this.productAmount -= amt;
+	}
+	public void increaseAmount(int amt) {
+		this.productAmount += amt;
+	}
+}