Examples of java.util.BitSet.toByteArray()

java.util.BitSet.toByteArray()
Returns a new byte array containing all the bits in this bit set.
More precisely, if
{@code byte[] bytes = s.toByteArray();}
then {@code bytes.length == (s.length()+7)/8} and
{@code s.get(n) == ((bytes[n/8] & (1<<(n%8))) != 0)}
for all {@code n < 8 * bytes.length}. @return a byte array containing a little-endian representationof all the bits in this bit set @since 1.7

      String name = ent.getValue();
      
      FieldVisitor fv = cv.visitField(ACC_STATIC, name, Type.getDescriptor(BitSet.class), null, null);
      fv.visitEnd();
      
      byte[] bytes = bs.toByteArray();
      mv.visitLdcInsn(new String(bytes, StandardCharsets.ISO_8859_1));
      mv.visitLdcInsn("ISO-8859-1");
      mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(String.class),
          "getBytes", "(Ljava/lang/String;)[B");

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  }


  public byte[] getMaskAddress() {
    BitSet mask = new BitSet(address.length * 8);
    mask.set(0, maskBits);
    return mask.toByteArray();
  }


  public int getMaskBits() {
    return maskBits;
  }

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                                    bs.set(7-m);
                                }
                            }
                        }
                        if (pos < lineSize * height / 8) {
                            panelData[iPlano][pos++] = (bs.toByteArray().length>0)? bs.toByteArray()[0]: 0;
                        }
                    }
                }
            }
            return panelData;

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                                    bs.set(7-m);
                                }
                            }
                        }
                        if (pos < lineSize * height / 8) {
                            panelData[iPlano][pos++] = (bs.toByteArray().length>0)? bs.toByteArray()[0]: 0;
                        }
                    }
                }
            }
            return panelData;

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        combinedBitSet.set(
            j++,
            bitSets[d].get(i));
      }
    }
    final byte[] littleEndianBytes = combinedBitSet.toByteArray();
    return swapEndianFormat(littleEndianBytes);
  }


  public static byte[] swapEndianFormat(
      final byte[] b ) {

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    for (int i = 0; i < bits.size(); ++i) {
      bits.set(i, random.nextBoolean());
    }


    final BitChromosome c = BitChromosome.of(bits);
    Assert.assertEquals(c.toByteArray(), bits.toByteArray());
  }


  @Test
  public void fromByteArrayBitSet() {
    final Random random = new Random();

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    random.nextBytes(bytes);


    final BitSet bits = BitSet.valueOf(bytes);
    final BitChromosome c = BitChromosome.of(bits);
    Assert.assertEquals(c.toByteArray(), bytes);
    Assert.assertEquals(bits.toByteArray(), bytes);
  }


  @Test(dataProvider = "bitCountProbability")
  public void bitCount(final Double p) {
    final int size = 1_000;

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