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  1. import static org.junit.Assert.assertTrue;
  2.  
  3. import java.lang.reflect.Modifier;
  4. import java.util.Arrays;
  5. import java.util.Collection;
  6. import java.util.function.Predicate;
  7.  
  8. interface ThrowingPredicate<T>
  9. {
  10.     public boolean test(T x) throws Exception;
  11. }
  12.  
  13. public class Test
  14. {
  15.     private Collection<Class<?>> classes = Arrays.asList(String.class, Object.class);
  16.  
  17.     @org.junit.Test
  18.     public void test()
  19.     {
  20.         assertTrue(classes.stream().allMatch(orFalse(c -> Modifier.isPrivate(c.getDeclaredConstructor().getModifiers()))));
  21.     }
  22.  
  23.     public static <T> Predicate<T> orFalse(ThrowingPredicate<? super T> predicate)
  24.     {
  25.         return x -> {
  26.             try
  27.             {
  28.                 return predicate.test(x);
  29.             }
  30.             catch (Exception YesIknowThisIsUglyButCheckedExceptionsSuckSoWhatAreYouGonnaDo)
  31.             {
  32.                 return false;
  33.             }
  34.         };
  35.     }
  36. }
  37.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:13: error: class Test is public, should be declared in a file named Test.java
public class Test
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/DBByRG
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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