IntStream count() devuelve el recuento de elementos en la secuencia. IntStream count() está presente en java.util.stream.IntStream
Sintaxis:
long count()
Ejemplo 1: Cuente los elementos en IntStream.
// Java code for IntStream count()
// to count the number of elements in
// given stream
import java.util.*;
import java.util.stream.IntStream;
class GFG {
// Driver code
public static void main(String[] args)
{
// creating a stream
IntStream stream = IntStream.of(2, 3, 4, 5, 6, 7, 8);
// storing the count of elements
// in a variable named total
long total = stream.count();
// displaying the total number of elements
System.out.println(total);
}
}
Producción :
7
Ejemplo 2: Contar los elementos en un rango dado.
// Java code for IntStream count()
// to count the number of elements in
// given range excluding the last element
import java.util.*;
import java.util.stream.IntStream;
class GFG {
// Driver code
public static void main(String[] args)
{
// creating a stream
IntStream stream = IntStream.range(2, 50);
// storing the count of elements
// in a variable named total
long total = stream.count();
// displaying the total number of elements
System.out.println(total);
}
}
Producción :
48
Ejemplo 3: Contar elementos distintos en IntStream.
// Java code for IntStream count()
// to count the number of distinct
// elements in given stream
import java.util.*;
import java.util.stream.IntStream;
class GFG {
// Driver code
public static void main(String[] args)
{
// creating a stream
IntStream stream = IntStream.of(2, 3, 4, 4, 7, 7, 8);
// storing the count of distinct elements
// in a variable named total
long total = stream.distinct().count();
// displaying the total number of elements
System.out.println(total);
}
}
Producción :
5
Publicación traducida automáticamente
Artículo escrito por Sahil_Bansall y traducido por Barcelona Geeks. The original can be accessed here. Licence: CCBY-SA