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ByteBuffer get() method in Java
The value at the current position of the buffer is read and then incremented using the method get() in the class java.nio.ByteBuffer. This method returns the value that is at the current buffer position. Also, the BufferUnderflowException is thrown if underflow situation occurs.
A program that demonstrates this is given as follows −
Example
import java.nio.*;
import java.util.*;
public class Demo {
public static void main(String[] args) {
int n = 5;
try {
ByteBuffer buffer = ByteBuffer.allocate(n);
buffer.put((byte)1);
buffer.put((byte)2);
buffer.put((byte)3);
buffer.put((byte)4);
buffer.put((byte)5);
buffer.rewind();
System.out.println("The ByteBuffer is: " + Arrays.toString(buffer.array()));
byte val1 = buffer.get();
System.out.println("
The value at current position of ByteBuffer is: " + val1);
byte val2 = buffer.get();
System.out.println("The value at next position of ByteBuffer is: " + val2);
} catch (IllegalArgumentException e) {
System.out.println("Error!!! IllegalArgumentException");
} catch (ReadOnlyBufferException e) {
System.out.println("Error!!! ReadOnlyBufferException");
} catch (BufferUnderflowException e) {
System.out.println("Error!!! BufferUnderflowException");
}
}
}Output
The ByteBuffer is: [1, 2, 3, 4, 5] The value at current position of ByteBuffer is: 1 The value at next position of ByteBuffer is: 2
Updated on: 30-Jul-2019
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