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07. Remove Negatives and Reverse

Oct 12th, 2022
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Java 0.76 KB | None | 0 0
  1. package lists;
  2.  
  3. import java.util.Arrays;
  4. import java.util.Collections;
  5. import java.util.List;
  6. import java.util.Scanner;
  7. import java.util.stream.Collectors;
  8.  
  9. public class P07RemoveNegativesAndReverse {
  10.     public static void main(String[] args) {
  11.         Scanner scanner = new Scanner(System.in);
  12.  
  13.         List<Integer> numbersList = Arrays.stream(scanner.nextLine().split(" "))
  14.                 .map(Integer::parseInt)
  15.                 .collect(Collectors.toList());
  16.  
  17.         numbersList.removeIf(e -> e < 0);
  18.  
  19.         Collections.reverse(numbersList);
  20.  
  21.         if (numbersList.size() == 0) {
  22.             System.out.println("empty");
  23.         } else {
  24.             System.out.println(numbersList.toString().replaceAll("[\\[\\],]", ""));
  25.         }
  26.     }
  27. }
  28.  
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