Stream toArray() returns an array containing the elements of this stream. It is a terminal operation i.e, it may traverse the stream to produce a result or a side-effect. After the terminal operation is performed, the stream pipeline is considered consumed, and can no longer be used.
Syntax :
Object[] toArray()
Return Value : The function returns an array containing the elements of this stream.
Example 1 :
// Java code for Stream toArray()import java.util.*;import java.util.stream.Stream; class GFG { // Driver code public static void main(String[] args) { // Creating a Stream of Integers Stream<Integer> stream = Stream.of(5, 6, 7, 8, 9, 10); // Using Stream toArray() Object[] arr = stream.toArray(); // Displaying the elements in array arr System.out.println(Arrays.toString(arr)); }} |
Output :
[5, 6, 7, 8, 9, 10]
Example 2 :
// Java code for Stream toArray()import java.util.*;import java.util.stream.Stream; class GFG { // Driver code public static void main(String[] args) { // Creating a Stream of Strings Stream<String> stream = Stream.of("Geeks", "for", "Geeks", "GeeksQuiz"); // Using Stream toArray() Object[] arr = stream.toArray(); // Displaying the elements in array arr System.out.println(Arrays.toString(arr)); }} |
Output :
[Geeks, for, Geeks, GeeksQuiz]
Example 3 :
// Java code for Stream toArray()import java.util.*;import java.util.stream.Stream; class GFG { // Driver code public static void main(String[] args) { // Creating a Stream of Strings Stream<String> stream = Stream.of("Geeks", "for", "gfg", "GeeksQuiz"); // Using Stream toArray() and filtering // the elements that starts with 'G' Object[] arr = stream.filter(str -> str.startsWith("G")) .toArray(); // Displaying the elements in array arr System.out.println(Arrays.toString(arr)); }} |
Output :
[Geeks, GeeksQuiz]
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