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  1. /* package whatever; // don't place package name! */
  2.  
  3.  
  4.  
  5. import java.util.function.Supplier;
  6. import java.util.stream.Collectors;
  7. import java.util.stream.Stream;
  8.  
  9. class Tmp {
  10.     static <T> T readValue(Supplier<T> s, Class<T> type) throws Exception {
  11.         return s.get();
  12.     }
  13.     interface Source extends Supplier<String>, AutoCloseable {
  14.         public default void close() throws Exception {}
  15.     }
  16.  
  17.     public static void main(String[] args) {
  18.         Stream.of("one", "two", "three")
  19.               .map(s -> {
  20.                   try(Source source = () -> s) {
  21.                       return readValue(source, String.class);
  22.                   }
  23.                   catch(Exception ex) {
  24.                       return null;
  25.                   }
  26.               })
  27.               .forEach(System.out::println);
  28.     }
  29. }
  30.  
Success #stdin #stdout 0.14s 4386816KB
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Standard input is empty
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https://ideone.com/nqYtTe
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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