Which of the following identifiers are valid? Which are Java keywords?

miles, Test, a++, 4#R, $4, #44, apps

class, int, x

Between 1890 and 1929

Which database tool is best for simple flat files that involve calculations?

Select the protocol data units. bit segment frame data spoof pin packet

Which factors affect the movement of ocean currents? Select the three correct answers. A. Earth's rotation B. Global winds C. Water temperature D. Weather reports

The commands on an Edit menu may change as a result of your actions. True or False

Logging operations used to use a technique called clear-cutting, in which all of the trees in an area are cut down. What type of water pollution will this most likely lead to? Toxic Sediment Nutrient Bacterial

When creating a presentation in Libre Office Impress, where does the editing of slides take place? A. the slides panel B. the center panel C. the tasks panel, under the masters pages tab D. the tasks panel, under the layouts tab

True or False: Assuming that all variables are defined, the following segment of code is invalid. if (x > 0)

Anne visits many countries and travels a lot. She wants to write about her journeys and voyages on the Internet. What Internet service will best suit her needs?

Which two are valid array declarations? Choose all correct answers) □uint size; □ int size!; □int array size; int[] size;