private Map<R, V> removeColumn(@Nullable Object column) {
    Map<R, V> output = new LinkedHashMap<>();
    Iterator<Entry<R, Map<C, V>>> iterator = backingMap.entrySet().iterator();
    while (iterator.hasNext()) {
      Entry<R, Map<C, V>> entry = iterator.next();
      V value = entry.getValue().remove(column);
      if (value != null) {
        output.put(entry.getKey(), value);
        if (entry.getValue().isEmpty()) {

* 네트워크를 통해 클라이언트가 데이터를 보내는 것
* 네트워크를 통해 클라이언트가 여러분의 프로그램이 보낸 데이터를 받는 것
* 시스템이 디스크의 파일 내용을 읽어서 프로그램에 전달하는 것
* 프로그램이 시스템에 전달한 내용을 디스크에 쓰는 것
* 원격 API 작업
* 데이터베이스 작업이 완료되는 것
* 데이터베이스 쿼리가 결과를 반환하는 것
* 기타 등등

실행 시간의 대부분이 <abbr title="Input and Output - 입력/출력">I/O</abbr> 작업을 기다리는 데 소비되기 때문에, 이를 "I/O bound" 작업이라고 부릅니다.

	// test cases with sample input and expected output.
	testCases := []struct {
		bucketName string
		// bucket policy to be set,
		// set as request body.
		bucketPolicyReader io.ReadSeeker
		// length in bytes of the bucket policy being set.
		policyLen int

func (b *Reader) writeBuf(w io.Writer) (int64, error) {
	n, err := w.Write(b.buf[b.r:b.w])
	if n < 0 {
		panic(errNegativeWrite)
	}
	b.r += n
	return int64(n), err
}

// buffered output

// Writer implements buffering for an [io.Writer] object.
// If an error occurs writing to a [Writer], no more data will be
// accepted and all subsequent writes, and [Writer.Flush], will return the error.

			objectsToDelete[object] = index
		}
	}

	toNames := func(input map[ObjectToDelete]int) (output []ObjectToDelete) {
		output = make([]ObjectToDelete, len(input))
		idx := 0
		for obj := range input {
			output[idx] = obj
			idx++
		}
		return output
	}

	// Disable timeouts and cancellation
	ctx = bgContext(ctx)

	deleteList := toNames(objectsToDelete)

        assertEquals(2000, delay1);
        assertEquals(2000, delay2);
        assertEquals(2000, delay3);
    }

    @Test
    @DisplayName("Should provide meaningful toString output")
    void testToString() {
        // Given
        exception = new SmbOperationException(SmbOperationException.ErrorCode.ACCESS_DENIED, "Cannot access share");
        exception.withContext("share", "\\\\server\\share");

     * reset.
     *
     * @return the array of bytes for the resulting hash value.
     */
    @Override
    public byte[] engineDigest() {
        // pad output to 56 mod 64; as RFC1320 puts it: congruent to 448 mod 512
        final int bufferNdx = (int) (count % BLOCK_LENGTH);
        final int padLen = bufferNdx < 56 ? 56 - bufferNdx : 120 - bufferNdx;

 * selects a particular version, and downloads the artifact into the local repository.</p>
 *
 * <p>{@link org.apache.maven.api.Node} is the main output of the <dfn>dependency collection</dfn> process.
 * It's a node in the dependency graph and contains a {@code Dependency} instance. The {@code Dependency} instances are the outputs of the
 * collection process, part of the graph computed from one or more {@code DependencyCoordinates}.</p>
 *

 *
 * The end of the range is not encoded, but can be inferred by looking at the start of the range
 * that follows.
 *
 * b1
 * --
 *
 * This is either a mapping decision or the length of the mapped output, according to this table:
 *
 * ```
 *  0..63 : Length of the UTF-16 sequence that this range maps to. The offset is b2b3.
 * 64..79 : Offset by a fixed negative offset. The bottom 4 bits of b1 are the top 4 bits of the offset.

      result |= (input[offset + i] & 0xFFL) << (i * 8);
    }
    return result;
  }

  /**
   * Store 8 bytes into the provided array at the indicated offset, using the value provided.
   *
   * @param sink the output byte array
   * @param offset the offset into the array at which to start writing
   * @param value the value to write
   */
  static void store64(byte[] sink, int offset, long value) {