SMBUtil.writeInt2(hashAlgo, dst, dstIndex);
                dstIndex += 2;
            }
        }

        if (this.salt != null) {
            System.arraycopy(this.salt, 0, dst, dstIndex, this.salt.length);
            dstIndex += this.salt.length;
        }

        return dstIndex - start;
    }

    /**
     * {@inheritDoc}
     *

    }
  }

  private static Double[] concat(Double[] left, Double[] right) {
    Double[] result = new Double[left.length + right.length];
    System.arraycopy(left, 0, result, 0, left.length);
    System.arraycopy(right, 0, result, left.length, right.length);
    return result;
  }

  public abstract static class TestDoubleListGenerator implements TestListGenerator<Double> {
    @Override

                throw new RuntimeException("Failed to create Mac instance", e);
            }

            mac.update(data, offset, length);
            final byte[] sig = mac.doFinal();
            System.arraycopy(sig, 0, data, offset + SIGNATURE_OFFSET, SIGNATURE_LENGTH);
        } finally {
            this.signingLock.unlock();
        }
    }

    /**
     *
     * {@inheritDoc}
     *

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkElementIndex;
import static java.lang.System.arraycopy;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

        }
        byte[] packet = new byte[totalLen];
        System.arraycopy(header, 0, packet, 0, header.length);
        System.arraycopy(body, 0, packet, SMB2_HEADER_LENGTH, body.length);
        if (ctxOffsetFromHeader != null && ctxBytes != null) {
            System.arraycopy(ctxBytes, 0, packet, ctxOffsetFromHeader, ctxBytes.length);
        }
        return packet;
    }

    int strCopyLen = len;
    int pos = 0;
    while (count != 0) {
      if ((count & 1) != 0) {
        System.arraycopy(strCopy, 0, array, pos, strCopyLen);
        pos += strCopyLen;
      }
      count >>= 1;
      if (count != 0) {
        System.arraycopy(strCopy, 0, strCopy, strCopyLen, strCopyLen);
        strCopyLen <<= 1;
      }
    }
    return new String(array);
  }

  @Benchmark

        byte[] buffer = new byte[testString.length()];

        // When - Manual string encoding using individual bytes
        byte[] strBytes = testString.getBytes();
        System.arraycopy(strBytes, 0, buffer, 0, strBytes.length);

        // Then
        String decoded = new String(buffer);
        assertEquals(testString, decoded);
    }

    @Test

        final int start = dstIndex;

        if (blob != null) {
            System.arraycopy(blob, 0, dst, dstIndex, blob.length);
            dstIndex += blob.length;
        } else {
            System.arraycopy(lmHash, 0, dst, dstIndex, lmHash.length);
            dstIndex += lmHash.length;
            System.arraycopy(ntHash, 0, dst, dstIndex, ntHash.length);
            dstIndex += ntHash.length;

        writeInt4(buffer, offset + 12, 16);  // DataLength
        
        // Name
        System.arraycopy(getName().getBytes(), 0, buffer, offset + 16, nameLen);
        
        // Data (16-byte file ID)
        int dataOffset = offset + 16 + nameLen;
        dataOffset = (dataOffset + 7) & ~7;  // 8-byte alignment
        System.arraycopy(fileId, 0, buffer, dataOffset, 16);
    }
}
```

### 4.5 Persistent Handle Manager

        srcIndex++;
        // gotta read the mac first so we can populate addressArray with it
        System.arraycopy(src, srcIndex + namesLength, this.macAddress, 0, 6);
        srcIndex += readNodeNameArray(src, srcIndex);
        this.stats = new byte[statsLength];
        System.arraycopy(src, srcIndex, this.stats, 0, statsLength);
        srcIndex += statsLength;
        return srcIndex - start;
    }