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  1. How to find maximum value from a stream of Integer values in …

    Feb 25, 2025 · I have a list of Integer values named list, and from the list.stream() I want the maximum value. What is the simplest way? Do I need a comparator?

  2. Sorting a list with stream.sorted () in Java - Stack Overflow

    81 Java 8 provides different utility api methods to help us sort the streams better. If your list is a list of Integers (or Double, Long, String etc.,) then you can simply sort the list with default …

  3. java - What is InputStream & Output Stream? Why and when do …

    5 Java stream is a flow of data from a source into a destination. The source or destination can be a disk, memory, socket, or other programs. The data can be bytes, characters, or objects. The …

  4. How to sum a list of integers with java streams? - Stack Overflow

    May 24, 2021 · 2 Unfortunately looks like the Stream API only returns normal streams from, say, List<Integer>#stream(). Guess they're pretty much forced to because of how generics work.

  5. Java 8 streams to find the duplicate elements - Stack Overflow

    Dec 28, 2014 · Java 8 streams to find the duplicate elements Asked 10 years, 11 months ago Modified 8 months ago Viewed 279k times

  6. How to add elements of a Java8 stream into an existing List

    Mar 31, 2014 · Javadoc of Collector shows how to collect elements of a stream into a new List. Is there a one-liner that adds the results into an existing ArrayList?

  7. java - Using streams to convert a list of objects into a string ...

    0 I'm going to use the streams api to convert a stream of integers into a single string. The problem with some of the provided answers is that they produce a O (n^2) runtime because of String …

  8. java - Can you explain the concept of streams? - Stack Overflow

    Feb 4, 2009 · In languages such as C#, VB.Net, C++, Java etc., the stream metaphor is used for many things. There are file streams, in which you open a file and can read from the stream or …

  9. java - Stream and lazy evaluation - Stack Overflow

    Streams are lazy because intermediate operations are not evaluated unless terminal operation is invoked. Each intermediate operation creates a new stream, stores the provided …

  10. list - How can I reverse a Java 8 stream and generate a …

    .map(i -> intArray[i]); Pre-Java 21 Reversing a Stream prior to Java version 21 without using a customized collection type is more verbose, typically requiring an extra line to reverse the …