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LongStream empty() in Java with examples

20 June 2025

LongStream empty() is a method in java.util.stream.LongStream. This method returns an empty sequential LongStream.
Syntax :

static LongStream empty()

Parameters :

LongStream : A sequence of primitive long-valued elements.

Return Value : An empty sequential LongStream.

Example 1 : Creating empty LongStream.

// Java code for LongStream empty()
import java.util.*;
import java.util.stream.LongStream;
  
class GFG {
  
    // Driver code
    public static void main(String[] args)
    {
  
        // creating an empty LongStream, a sequence of
        // primitive long-valued elements
        LongStream stream = LongStream.empty();
  
        // Displaying an empty sequential stream
        System.out.println(stream.count());
    }
}