gaspersic/java-design-patterns
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nikhilbarar
2018-08-26 23:21:25 +05:30
parent cd44ef3c81
commit cb6b0b3600
2 changed files with 2 additions and 4 deletions
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3
collection-pipeline/src/main/java/com/iluwatar/collectionpipeline/FunctionalProgramming.java
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@@ -64,8 +64,7 @@ public class FunctionalProgramming {
* Method to group cars by category using groupingBy * Method to group cars by category using groupingBy
* *
* @param cars {@link List} of {@link Car} to be used for grouping * @param cars {@link List} of {@link Car} to be used for grouping
* @return {@link Map} of {@link String} and {@link List} of {@link Car} with category * @return {@link Map} with category as key and cars belonging to that category as value
* as key and cars belonging to that category as value
*/ */
public static Map<String, List<Car>> getGroupingOfCarsByCategory(List<Car> cars) { public static Map<String, List<Car>> getGroupingOfCarsByCategory(List<Car> cars) {
return cars.stream().collect(Collectors.groupingBy(Car::getCategory)); return cars.stream().collect(Collectors.groupingBy(Car::getCategory));

3
collection-pipeline/src/main/java/com/iluwatar/collectionpipeline/ImperativeProgramming.java
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@@ -84,8 +84,7 @@ public class ImperativeProgramming {
* Method to group cars by category using for loops * Method to group cars by category using for loops
* *
* @param cars {@link List} of {@link Car} to be used for grouping * @param cars {@link List} of {@link Car} to be used for grouping
* @return {@link Map} of {@link String} and {@link List} of {@link Car} with * @return {@link Map} with category as key and cars belonging to that category as value
* category as key and cars belonging to that category as value
*/ */
public static Map<String, List<Car>> getGroupingOfCarsByCategory(List<Car> cars) { public static Map<String, List<Car>> getGroupingOfCarsByCategory(List<Car> cars) {
Map<String, List<Car>> groupingByCategory = new HashMap<>(); Map<String, List<Car>> groupingByCategory = new HashMap<>();