What is splititerator

Deepika Sahu answered on December 29, 2022 Popularity 1/10 Helpfulness 1/10

answer What is splititerator

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What is splititerator

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 class BookSpliterator implements Spliterator<Book> {
	
	private String name;
	private String author;
	private String genre;
	private double rating;
	private Spliterator<String> baseSpliterator;
	
	public BookSpliterator(Spliterator<String> baseSpliterator) {
		this.baseSpliterator = baseSpliterator;
	}

	@Override
	public boolean tryAdvance(Consumer<? super Book> action) {
		if(this.baseSpliterator.tryAdvance(name -> this.name = name) &&
		this.baseSpliterator.tryAdvance(author -> this.author = author) &&
		this.baseSpliterator.tryAdvance(genre -> this.genre = genre) &&
		this.baseSpliterator.tryAdvance(rating -> this.rating = Double.valueOf(rating))) {
		
		action.accept(new Book(this.name, this.author, this.genre, this.rating));
		return true;
		
		}
		return false;
	}

	@Override
	public Spliterator<Book> trySplit() {
		return null;
	}

	@Override
	public long estimateSize() {
		return baseSpliterator.estimateSize() / 4;
	}

	@Override
	public int characteristics() {
		return baseSpliterator.characteristics();
	}

}

Popularity 1/10 Helpfulness 1/10 Language java

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Tags: java

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Contributed on Dec 29 2022

Deepika Sahu

0 Answers Avg Quality 2/10

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What is splitIterator

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Iterator Spliterator

It performs only iteration. It performs splitting as well as iteration.

Iterates elements one by one. Iterates elements one by one or in bulk.

Most suitable for serial processing. Most suitable for parallel processing.

Iterates only collection types. Iterates collections, arrays and streams.

Size is unknown. You can get exact size or estimate of the size.

Introduced in JDK 1.2. Introduced in JDK 1.8.

You can’t extract properties of the iterating elements. You can extract some properties of the iterating elements.

External iteration. Internal iteration.

public String call() {
    int current = 0;
    while (spliterator.tryAdvance(a -> a.setName(article.getName()
      .concat("- published by Baeldung")))) {
        current++;
    }
    
    return Thread.currentThread().getName() + ":" + current;
}

https://javaconceptoftheday.com/differences-between-iterator-vs-spliterator-in-java-8

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Source: Grepper

Tags: java

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Contributed on Feb 02 2023

Anjali Sharma

0 Answers Avg Quality 2/10

What is splititerator

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