Which of the following is false?
a. JFrame is a lightweight component.
b. JFrame is a subclass of Frame (which is a subclass of Window).
c. JFrames have a title bar and a border.
d. A JFrame window will look like all other windows displayed on that platform.
a. JFrame is a lightweight component.
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What is double hashing?
a. It is using a secondary hash function for the probing scheme used in open addressing b. It is using the hash function twice when a hash collision happens c. A double hash is storing another array for a hash table inside the slot d. A double hash is using the hash function in a two-dimensional array
Which of the following are correct ways to declare variables?
a. int length; int width; b. int length, width; c. int length; width; d. int length, int width;
Which of the following uses 128 bits, which vastly expands the possible number of IP addresses?
A. IPv6 B. IPv8 C. IPv2 D. IPv4
When writing text files, if you add true to the constructor for the Append argument, ____.
A. lines are added onto the end of the file B. a backup is made of the old file C. "file already exists" message is displayed if a file by the same name exists D. new data is added onto the end of each line in the file