Skip to content
Related Articles

Related Articles

ByteBuffer toString() method in Java with Examples
  • Last Updated : 24 Jun, 2019

The toString() method of ByteBuffer class is the inbuilt method used to returns a string representing the data contained by ByteBuffer Object. A new String object is created and initialized to get the character sequence from this ByteBuffer object and then String is returned by toString(). Subsequent changes to this sequence contained by Object do not affect the contents of the String.

Syntax:

public abstract String toString()

Return Value: This method returns the String representing the data contained by ByteBuffer Object.

Below programs illustrate the ByteBuffer.toString() method:

Example 1:



filter_none

edit
close

play_arrow

link
brightness_4
code

// Java program to demonstrate
// toString() method
  
import java.nio.*;
import java.util.*;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Declaring the capacity of the ByteBuffer
        int capacity = 5;
  
        // creating object of ByteBuffer
        // and allocating size capacity
        ByteBuffer bb1 = ByteBuffer.allocate(capacity);
  
        // putting the value in ByteBuffer
        bb1.put((byte)10);
        bb1.put((byte)20);
  
        // print the ByteBuffer
        System.out.println("Original ByteBuffer: "
                           + Arrays.toString(bb1.array()));
  
        // Creating a shared subsequance buffer of given ByteBuffer
        // using toString() method
        String value = bb1.toString();
  
        // print the ByteBuffer
        System.out.println("\nstring representation of ByteBuffer:  "
                           + value);
    }
}

chevron_right


Output:

Original ByteBuffer: [10, 20, 0, 0, 0]

string representation of ByteBuffer:  java.nio.HeapByteBuffer[pos=2 lim=5 cap=5]

Example 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java program to demonstrate
// toString() method
  
import java.nio.*;
import java.util.*;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Declaring the capacity of the ByteBuffer
        int capacity = 4;
  
        // creating object of ByteBuffer
        // and allocating size capacity
        ByteBuffer bb1 = ByteBuffer.allocate(capacity);
  
        // putting the value in ByteBuffer
        bb1.put((byte)10)
            .put((byte)20)
            .put((byte)30)
            .put((byte)40);
  
        // print the ByteBuffer
        System.out.println("Original ByteBuffer: "
                           + Arrays.toString(bb1.array()));
  
        // Creating a shared subsequance buffer of given ByteBuffer
        // using toString() method
        String value = bb1.toString();
  
        // print the ByteBuffer
        System.out.println("\nstring representation of ByteBuffer:  "
                           + value);
    }
}

chevron_right


Output:

Original ByteBuffer: [10, 20, 30, 40]

string representation of ByteBuffer:  java.nio.HeapByteBuffer[pos=4 lim=4 cap=4]

Reference: https://docs.oracle.com/javase/9/docs/api/java/nio/ByteBuffer.html#toString–

Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready.

My Personal Notes arrow_drop_up
Recommended Articles
Page :