ByteBuffer: asDoubleBuffer() : ByteBuffer « java.nio « Java by API






  1. Java by API
  2. java.nio
  3. ByteBuffer

ByteBuffer: asDoubleBuffer()

  
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.DoubleBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.LongBuffer;
import java.nio.ShortBuffer;

public class Main {
  public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, 'a' });
    bb.rewind();
    System.out.println("Byte Buffer");
    while (bb.hasRemaining())
      System.out.println(bb.position() + " -> " + bb.get());
    CharBuffer cb = ((ByteBuffer) bb.rewind()).asCharBuffer();
    System.out.println("Char Buffer");
    while (cb.hasRemaining())
      System.out.println(cb.position() + " -> " + cb.get());
    FloatBuffer fb = ((ByteBuffer) bb.rewind()).asFloatBuffer();
    System.out.println("Float Buffer");
    while (fb.hasRemaining())
      System.out.println(fb.position() + " -> " + fb.get());
    IntBuffer ib = ((ByteBuffer) bb.rewind()).asIntBuffer();
    System.out.println("Int Buffer");
    while (ib.hasRemaining())
      System.out.println(ib.position() + " -> " + ib.get());
    LongBuffer lb = ((ByteBuffer) bb.rewind()).asLongBuffer();
    System.out.println("Long Buffer");
    while (lb.hasRemaining())
      System.out.println(lb.position() + " -> " + lb.get());
    ShortBuffer sb = ((ByteBuffer) bb.rewind()).asShortBuffer();
    System.out.println("Short Buffer");
    while (sb.hasRemaining())
      System.out.println(sb.position() + " -> " + sb.get());
    DoubleBuffer db = ((ByteBuffer) bb.rewind()).asDoubleBuffer();
    System.out.println("Double Buffer");
    while (db.hasRemaining())
      System.out.println(db.position() + " -> " + db.get());
  }
}








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1.ByteBuffer: allocate(int capacity)
2.ByteBuffer: allocateDirect(int size)
3.ByteBuffer: asCharBuffer()
4.ByteBuffer: asFloatBuffer()
5.ByteBuffer: asLongBuffer()
6.ByteBuffer: asShortBuffer()
7.ByteBuffer: capacity()
8.ByteBuffer: clear()
9.ByteBuffer: compact()
10.ByteBuffer: flip()
11.ByteBuffer: get()
12.ByteBuffer: get(byte[] dst, int offset, int length)
13.ByteBuffer: get(int index)
14.ByteBuffer: getChar()
15.ByteBuffer: getDouble()
16.ByteBuffer: getFloat()
17.ByteBuffer: getInt()
18.ByteBuffer: getLong()
19.ByteBuffer: isDirect()
20.ByteBuffer: limit()
21.ByteBuffer: order()
22.ByteBuffer: order(ByteOrder bo)
23.ByteBuffer: position()
24.ByteBuffer: position(int newPosition)
25.ByteBuffer: put(byte b)
26.ByteBuffer: putChar(char ch)
27.ByteBuffer: putDouble(double value)
28.ByteBuffer: putFloat(float value)
29.ByteBuffer: putInt(int i)
30.ByteBuffer: putLong(long value)
31.ByteBuffer: putShort(short value)
32.ByteBuffer: putShort(int index, short value)
33.ByteBuffer: rewind()
34.ByteBuffer: wrap(byte[] array)