MC XML marks up data using__________ , which are names enclosed in __________.

In an array-based implementation of the priority queue, the pqDelete operation returns the item in ______.

a) items[size] b) items[0] c) items[size-1] d) items[size+1]

To display the output on the next line, you can use the println method or use the __________ escape sequence in the print method.

a. \n b. \r c. \t d. \b