Método IntBuffer slice() en Java

El método slice() de java.nio.IntBuffer Class se usa para crear un nuevo búfer int cuyo contenido es una subsecuencia compartida del contenido del búfer dado.

El contenido del nuevo búfer comenzará en la posición actual de este búfer. Los cambios en el contenido de este búfer serán visibles en el nuevo búfer y viceversa. Los valores de posición, límite y marca de los dos búferes serán independientes. La posición del nuevo búfer será cero, su capacidad y su límite serán el número de enteros restantes en este búfer, y su marca será indefinida. El nuevo búfer será directo si, y solo si, este búfer es directo, y será de solo lectura si, y solo si, este búfer es de solo lectura.

Sintaxis: 

public abstract IntBuffer slice()

Valor devuelto: este método devuelve el nuevo búfer int .

A continuación se muestran los ejemplos para ilustrar el método slice():

Ejemplos 1: 

// Java program to demonstrate
// slice() method
 
import java.nio.*;
import java.util.*;
 
public class GFG {
 
    public static void main(String[] args)
    {
 
        // Declaring the capacity of the IntBuffer
        int capacity = 10;
 
        // Creating the IntBuffer
        try {
 
            // creating object of intbuffer
            // and allocating size capacity
            IntBuffer ib1 = IntBuffer.allocate(capacity);
 
            // putting the value in intbuffer
            ib1.put(8);
            ib1.put(9);
 
            // print the IntBuffer
            System.out.println("Original IntBuffer: "
                               + Arrays.toString(ib1.array()));
 
            // print the IntBuffer position
            System.out.println("position: " + ib1.position());
 
            // print the IntBuffer capacity
            System.out.println("capacity: " + ib1.capacity());
 
            // Creating a shared subsequence buffer of given IntBuffer
            // using slice() method
            IntBuffer ib2 = ib1.slice();
 
            // print the shared subsequence buffer
            System.out.println("shared subsequence IntBuffer: "
                               + Arrays.toString(ib2.array()));
 
            // print the IntBuffer position
            System.out.println("position: " + ib2.position());
 
            // print the IntBuffer capacity
            System.out.println("capacity: " + ib2.capacity());
        }
 
        catch (IllegalArgumentException e) {
            System.out.println("IllegalArgumentException catched");
        }
 
        catch (ReadOnlyBufferException e) {
            System.out.println("ReadOnlyBufferException catched");
        }
    }
}

Original IntBuffer: [8, 9, 0, 0, 0, 0, 0, 0, 0, 0]
position: 2
capacity: 10
shared subsequence IntBuffer: [8, 9, 0, 0, 0, 0, 0, 0, 0, 0]
position: 0
capacity: 8

Ejemplos 2:

// Java program to demonstrate
// slice() method
 
import java.nio.*;
import java.util.*;
 
public class GFG {
 
    public static void main(String[] args)
    {
 
        // Declaring the capacity of the IntBuffer
        int capacity = 10;
 
        // Creating the IntBuffer
        try {
 
            // creating object of intbuffer
            // and allocating size capacity
            IntBuffer ib1 = IntBuffer.allocate(capacity);
 
            // putting the value in floatbuffer
            ib1.put(8);
            ib1.put(9);
            ib1.put(5);
            ib1.put(3);
 
            // print the IntBuffer
            System.out.println("Original IntBuffer: "
                               + Arrays.toString(ib1.array()));
 
            // print the IntBuffer position
            System.out.println("position: " + ib1.position());
 
            // print the IntBuffer capacity
            System.out.println("capacity: " + ib1.capacity());
 
            // Creating a shared subsequence buffer of given IntBuffer
            // using slice() method
            IntBuffer ib2 = ib1.slice();
            ib2.put(2);
            ib2.put(6);
 
            // print the shared subsequence buffer
            System.out.println("shared subsequence IntBuffer: "
                               + Arrays.toString(ib2.array()));
 
            // print the IntBuffer position
            System.out.println("position: " + ib2.position());
 
            // print the IntBuffer capacity
            System.out.println("capacity: " + ib2.capacity());
        }
 
        catch (IllegalArgumentException e) {
 
            System.out.println("IllegalArgumentException catched");
        }
 
        catch (ReadOnlyBufferException e) {
 
            System.out.println("ReadOnlyBufferException catched");
        }
    }
}

Original IntBuffer: [8, 9, 5, 3, 0, 0, 0, 0, 0, 0]
position: 4
capacity: 10
shared subsequence IntBuffer: [8, 9, 5, 3, 2, 6, 0, 0, 0, 0]
position: 2
capacity: 6