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  1. /* package whatever; // don't place package name! */
  2.  
  3.  
  4. import java.util.Arrays;
  5. import java.util.EnumSet;
  6. import java.util.List;
  7. import java.util.Set;
  8. import java.util.function.BiConsumer;
  9. import java.util.stream.Collectors;
  10.  
  11.  
  12. /* Name of the class has to be "Main" only if the class is public. */
  13. class Ideone
  14. {
  15. 	public static void main(String[] args) {
  16.  
  17.         List<Class1> data1 = Arrays.asList(new Class1(), new Class1());
  18.         List<Class2> data2 = Arrays.asList(new Class2(), new Class2());
  19.  
  20.         // The following is what I'm trying to implement:
  21.         List<BiConsumer<Class1, Double>> peeks1 = Arrays.asList(Class1::setOneNum, Class1::setAnotherNum);
  22.         List<BiConsumer<Class2, Double>> peeks2 = Arrays.asList(Class2::setSomeNum1, Class2::setSomeNum2);
  23.  
  24.         helper(data1, peeks1);
  25.         helper(data2, peeks2);
  26.     }
  27.  
  28.     private static <T> List<T> helper(List<T> data, List<BiConsumer<T, Double>> peeks) {
  29.  
  30.         for(BiConsumer<T, Double> singlePeek: peeks){
  31.             data = data.stream()
  32.                     .peek(a -> singlePeek.accept(a, Math.random()))
  33.                     .collect(Collectors.toList());
  34.         }
  35.  
  36.         return data;
  37.     }
  38.     private static class Class1 {
  39.  
  40.         public void setOneNum(double d) {
  41.  
  42.         }
  43.  
  44.         public void setAnotherNum(double d) {
  45.  
  46.         }
  47.     }
  48.     private static class Class2 {
  49.         public void setSomeNum1(double d) {
  50.  
  51.         }
  52.  
  53.         public void setSomeNum2(double d) {
  54.  
  55.         }
  56.     }
  57. }
Success #stdin #stdout 0.07s 34248KB
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https://ideone.com/mMsYOE
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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