IntStream builder() in Java

Last Updated : 06 Dec, 2018

IntStream builder() returns a builder for an IntStream.

Syntax :

static IntStream.Builder builder()

Parameters :

IntStream.Builder : A mutable builder for an IntStream. A stream builder has a lifecycle, which starts in a building phase, during which elements can be added, and then transitions to a built phase, after which elements may not be added.

Return Value : The function returns a builder for an IntStream.

Example 1 :

// Java code for IntStream builder() 
import java.util.*; 
import java.util.stream.Stream; 
import java.util.stream.IntStream; 
  
class GFG { 
  
    // Driver code 
    public static void main(String[] args) 
    { 
        // Creating an IntStream using 
        // IntStream builder() 
        IntStream stream = IntStream.builder().add(-1).build(); 
  
        // Displaying the elements 
        stream.forEach(System.out::println); 
    } 
} 

Output :

-1

Example 2 :

// Java code for IntStream builder() 
import java.util.*; 
import java.util.stream.Stream; 
import java.util.stream.IntStream; 
  
class GFG { 
  
    // Driver code 
    public static void main(String[] args) 
    { 
        // Creating an IntStream using 
        // IntStream builder() 
        IntStream stream = IntStream.builder() 
                              .add(-1).add(0).add(2).add(4).add(7).build(); 
  
        // Displaying the elements 
        stream.forEach(System.out::println); 
    } 
} 

Output :

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