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  1. import java.util.*;
  2. import java.util.stream.*;
  3.  
  4. class Ideone {
  5.   public static void main(String[] args) {
  6.     final List<EntityClass> queryResultList = List.of(
  7.         EntityClass.of(13),
  8.         EntityClass.of(1337),
  9.         EntityClass.of(42));
  10.     final String delimiter = System.lineSeparator();
  11.     System.out.println(queryResultList.stream()
  12.         .map(EntityClass::getId)
  13.         .map(Object::toString)
  14.         .collect(Collectors.joining(delimiter)));
  15.   }
  16. }
  17.  
  18. class EntityClass {
  19.   private final int id;
  20.  
  21.   private EntityClass(int id) {
  22.     this.id = id;
  23.   }
  24.  
  25.   public static EntityClass of(int id) {
  26.     return new EntityClass(id);
  27.   }
  28.  
  29.   public int getId() {
  30.     return id;
  31.   }
  32. }
Success #stdin #stdout 0.11s 48480KB
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Standard input is empty
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13
1337
42
https://ideone.com/c4VB3I
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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