Last Updated : 06 Dec, 2018
Stream toArray()returns an array containing the elements of this stream. It is a
terminal operationi.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
// 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
// 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
// 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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