LongStream forEachOrdered() method in Java

Last Updated : 06 Dec, 2018

LongStream forEachOrdered(LongConsumer action) performs an action for each element of this stream in encounter order. LongStream forEachOrdered(LongConsumer action) is a terminal operation i.e, it may traverse the stream to produce a result or a side-effect.

Syntax :

void forEachOrdered(LongConsumer action)

Parameter : LongConsumer represents an operation that accepts a single long-valued argument and returns no result. This is the primitive type specialization of Consumer for long.

Note : forEachOrdered(LongConsumer action) performs an action for each element of this stream, in the encounter order of the stream if the stream has a defined encounter order.

Example 1 :

// Java code for LongStream forEachOrdered 
// (LongConsumer action) in Java 8 
import java.util.*; 
import java.util.stream.LongStream; 
  
class GFG { 
  
    // Driver code 
    public static void main(String[] args) 
    { 
        // Creating an LongStream 
        LongStream stream = LongStream.of(2L, 3L, 4L, 5L); 
  
        // Using LongStream.forEachOrdered 
        stream.forEachOrdered(System.out::println); 
    } 
} 

Output:

Example 2 :

// Java code for LongStream forEachOrdered 
// (LongConsumer action) in Java 8 
import java.util.*; 
import java.util.stream.LongStream; 
  
class GFG { 
  
    // Driver code 
    public static void main(String[] args) 
    { 
        // Creating an LongStream 
        LongStream stream = LongStream.range(5L, 11L); 
  
        // Using LongStream.forEachOrdered() on 
        // sequential stream 
        stream.forEachOrdered(System.out::println); 
    } 
} 

Output:

Example 3 :

// Java code for LongStream forEachOrdered 
// (LongConsumer action) in Java 8 
import java.util.*; 
import java.util.stream.LongStream; 
  
class GFG { 
  
    // Driver code 
    public static void main(String[] args) 
    { 
        // Creating an LongStream 
        LongStream stream = LongStream.range(5, 11); 
  
        // Using LongStream.forEachOrdered() on 
        // parallel stream 
        stream.parallel().forEachOrdered(System.out::println); 
    } 
} 