package com.java8;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.stream.Collectors;
public class StreamAndFilter {
public static void main1(String[] args) {
Long startTime = System.currentTimeMillis();
List<Dish> menu = new ArrayList<>();
menu.add(new Dish("CarrotCurry",405));
menu.add(new Dish("BeatRootCurry",215));
menu.add(new Dish("PotatosCurry",450));
menu.add(new Dish("TamatoCurry",500));
menu.add(new Dish("LadyFinger",300));
menu.add(new Dish("EggCurry",200));
List<Dish> localCaloricDishesName = new ArrayList<>();
for (Dish dish : menu) {
if(dish.getCalories()<400){
localCaloricDishesName.add(dish);
}
}
Collections.sort(localCaloricDishesName,new Comparator<Dish>() {
@Override
public int compare(Dish o1, Dish o2) {
// TODO Auto-generated method stub
return Integer.compare(o1.getCalories(), o2.getCalories());
}
});
List<String> curryNames = new ArrayList<String>();
for (Dish dish : localCaloricDishesName) {
curryNames.add(dish.getDishName());
}
System.out.println("curryNames"+curryNames);;
System.out.println(System.currentTimeMillis()-startTime);
}
public static void main(String[] args) {
System.out.println("FROM STREAMS");
Long startTime = System.currentTimeMillis();
List<Dish> menu = new ArrayList<>();
menu.add(new Dish("CarrotCurry",405));
menu.add(new Dish("BeatRootCurry",215));
menu.add(new Dish("PotatosCurry",450));
menu.add(new Dish("TamatoCurry",500));
menu.add(new Dish("LadyFinger",300));
menu.add(new Dish("EggCurry",200));
List<String> localCaloricDishesName =
menu.stream()
.filter(d->d.getCalories()<400)
.sorted(Comparator.comparing(Dish :: getCalories))
.map(Dish::getDishName)
.collect(Collectors.toList());
System.out.println("localCaloricDishesName "+localCaloricDishesName);
System.out.println(System.currentTimeMillis()-startTime);
}
}
Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.
When asked, what has been your best career decision?
Deciding to stick with EE.
Being involved with EE helped me to grow personally and professionally.
Connect with Certified Experts to gain insight and support on specific technology challenges including:
We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE