To use the partitioningBy Collector, you have to pass the Collectors.partitioningBy in the collect() method of Stream API.
Tag:
functional programming
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Before seeing Optional in Java, Did you know that Null Pointer Exception is termed as Billion Dollar mistake? Lets see how to avoid it.
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Interface is an integral part of java and has become so powerful over the years, that it shifted the way a Java programmer thinks.
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The Stream API, included in Java 8, is utilised for processing collections of objects. Stream API can make your code more simple, efficient, and readable.
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Using Functional interfaces provided by Java we can become more functional. And Knowing them would help us utilise Stream API fully