Blog: how to do in java |
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230 blogs
updated: 27 min. ago
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Java 8 example to sort stream of objects by multiple fields using comparators and Comparator.thenComparing( ) method. This method returns a ...
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Learn to sort stream of numbers and strings in ascending (natural order) and descending orders (reverse order) in Java 8. The post How to so...
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Learn to create generic functional interfaces with and without type restrictions in Java 8 and later. Note that functional interfaces permit...
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Learn to convert stream to array using Stream.toArray() API. This post contains multiple examples for collecting stream elements to array un...
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Learn to convert stream to list using Collectors.toList() and Collectors.toCollection() APIs. This post contains multiple examples for colle...
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Learn to collect stream elements into Map using Collectors.toMap() and Collectors.groupingBy() methods using Java 8 Stream APIs. Convert str...
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Is it possible to reuse streams in Java? Learn the alternative of Java stream reuse. 1. Can we reuse stream? No. Java streams, once consumed...
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Java Stream interface has two methods i.e. findFirst() and findAny(). Both method looks very much similar but they may behave differently in...
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Java Stream anyMatch (Predicate predicate) is terminal-short-circuiting operation which is used to check if the stream contains any matching...
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Java Stream allMatch (Predicate predicate) is short-circuiting terminal operation which is used to check if all the elements of the stream m...
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