GET strcuture

Build out infrastructure for get requests (along with the first couple).

This includes changing the request engine from Volley to OKHTTP due to issues get Volley's callbacks to call back.

Lambdas/Lists/Item/src/Item.java

@@ -0,0 +1,52 @@
+import java.math.BigDecimal;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.time.LocalDateTime;
+
+public class Item {
+    Integer productID;
+    Integer chainID;
+    String upc;
+    String description;
+    BigDecimal price;
+    String imageURL;
+    String department;
+    LocalDateTime retrievedDate;
+    Integer fetchCounts;
+
+    Item(ResultSet itemRow) throws SQLException {
+        this.productID = itemRow.getInt(1);
+        System.out.println(this.productID);
+        this.chainID = itemRow.getInt(2);
+        System.out.println(this.chainID);
+        this.upc = itemRow.getString(3);
+        System.out.println(this.upc);
+        this.description = itemRow.getString(4);
+        System.out.println(this.description);
+        this.price = itemRow.getBigDecimal(5);
+        System.out.println(this.price);
+        this.imageURL = itemRow.getString(6);
+        System.out.println(imageURL);
+        this.department = itemRow.getString(7);
+        System.out.println(department);
+        this.retrievedDate = itemRow.getObject(8, LocalDateTime.class);
+        System.out.println(retrievedDate);
+        this.fetchCounts = itemRow.getInt(9);
+        System.out.println(fetchCounts);
+    }
+
+    @Override
+    public String toString() {
+        return "Item{" +
+                "productID=" + productID +
+                ", chainID=" + chainID +
+                ", upc='" + upc + '\'' +
+                ", description='" + description + '\'' +
+                ", price=" + price +
+                ", imageURL='" + imageURL + '\'' +
+                ", department='" + department + '\'' +
+                ", retrievedDate=" + retrievedDate +
+                ", fetchCounts=" + fetchCounts +
+                '}';
+    }
+}