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ru-rocker/SupplierStreamFirstSample.java

Created December 18, 2016 13:51
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SupplierStreamFirstSample.java
Stream<Integer> stream = Stream.of(1, 2, 3, 4);
boolean anyMatch = stream.anyMatch(s -> s > 0);
System.out.println(anyMatch);
// true
boolean noneMatch = stream.noneMatch(s -> s > 0);
System.out.println(noneMatch);
// java.lang.IllegalStateException: stream has already been operated upon or closed
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