What is the content of the Xfile after the following command is executed? ls > Xfile
a: nothing
b: the word ls
c: list of the filenames in the current directory
d: an error message
e: none of the above
c: list of the filenames in the current directory
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Which of the following is false?
a. The size of an ArrayList can be determined via its length instance variable. b. The size of an ArrayList can be determined via its size method. c. You can add a new item to the end of an ArrayList with its add method. c. You can get an item from a specified index in an ArrayList with its get method.
Which is true about binary search trees?
A. they cannot support logarithmic insertions B. they can support logarithmic searches C. they don't work well for sorted collections D. each node in the right subtree of a given node is less than that node
Identify a relative unit in which lengths are expressed as a percentage of the width or height of a browser window.?
A. ?Attribute unit B. ?Viewport unit C. ?rem unit D. ?Absolute unit
When you change the size of a selection, it is called ________ .
A. resizing B. rescaling C. scaling D. repositioning