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8184693: add Pattern.isEmpty

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Added method Pattern.isEmpty

Reviewed-by: forax, chegar, smarks, psandoz, rriggs
This commit is contained in:
Vivek Theeyarath 2018-04-18 10:30:57 -07:00
parent 03a10ec7b2
commit 702ac597ad
8 changed files with 56 additions and 4 deletions
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13
src/java.base/share/classes/java/util/OptionalLong.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -139,6 +139,17 @@ public final class OptionalLong {
return isPresent;
}
/**
* If a value is not present, returns {@code true}, otherwise
* {@code false}.
*
* @return {@code true} if a value is not present, otherwise {@code false}
* @since 11
*/
public boolean isEmpty() {
return !isPresent;
}
/**
* If a value is present, performs the given action with the value,
* otherwise does nothing.