In the figure above, which number refers to the X-axis?

Avoid the common mistakes many new presenters make during presentations using PowerPoint, such as ________ from the slides and turning their backs on the audience

a. Speaking too slowly b. Reading from the slides c. Deviating d. None of the above

Which of the following statements is false?

a. Streams are objects that implement interface Stream (from the package java.util.stream) and enable you to perform functional programming tasks. b. Streams move elements through a sequence of processing steps—known as a stream pipeline—that begins with a data source, performs various intermediate operations on the data source’s elements and ends with a terminal operation. c. A stream pipeline is formed by chaining method calls. d. An advantage of streams over collections is that streams have their own storage, so once a stream is processed, it can be reused, because it maintains a copy of the original data source.