Remove unused constructor and redundant method

data-transfer-object/src/main/java/com/iluwatar/datatransfer/product/ProductResource.java

@@ -31,14 +31,6 @@
  * has all product details.
  */
 public record ProductResource(List<Product> products) {
- /**
- * Initialise resource with existing products.
- *
- * @param products initialize resource with existing products. Act as database.
- */
- public ProductResource {
- }
-
  /**
  * Get all products.
  *
@@ -80,14 +72,4 @@ public void save(ProductDto.Request.Create createProductDto) {
  .cost(createProductDto.getCost())
  .build());
  }
-
- /**
- * List of all products in an entity representation.
- *
- * @return : all the products entity that stored in the products list
- */
- @Override
- public List<Product> products() {
- return products;
- }
-}
+}

embedded-value/src/main/java/com/iluwatar/embedded/value/DataSource.java

@@ -24,6 +24,8 @@
  */
 package com.iluwatar.embedded.value;
 
+import static java.sql.PreparedStatement.RETURN_GENERATED_KEYS;
+
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.PreparedStatement;
@@ -33,7 +35,7 @@
 import java.util.stream.Stream;
 import lombok.extern.slf4j.Slf4j;
 
-import static java.sql.PreparedStatement.RETURN_GENERATED_KEYS;
+
 
 /**
  * Communicates with H2 database with the help of JDBC API.