java 8中anyMatch和findAny的区别
我有一个 Array 并想对其元素执行一些匹配.
I have an Array and want to perform some matching on it's element.
我知道在 java 8 中可以通过两种方式完成:
I came to know that it could be done in two ways in java 8 :
String[] alphabet = new String[]{"A", "B", "C"};
任意匹配:
Arrays.stream(alphabet).anyMatch("A"::equalsIgnoreCase);
findAny:
Arrays.stream(alphabet).filter("a"::equalsIgnoreCase)
.findAny().orElse("No match found"));
据我所知，两者都在做同样的工作.但是，我找不到更喜欢哪一个?
As I can understand both are doing the same work. However, I could not found which one to prefer?
有人能说清楚他们俩有什么区别吗.
Could someone please make it clear what is the difference between both of them.
推荐答案
它们在内部做同样的工作，但它们的返回值不同.Stream#anyMatch() 返回 boolean 而 Stream#findAny() 返回一个匹配谓词的对象.
They do the same job internally, but their return value is different. Stream#anyMatch() returns a boolean while Stream#findAny() returns an object which matches the predicate.
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