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.

Computer Science & Information Technology

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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

Computer Science & Information Technology

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;

Computer Science & Information Technology

Which of the following uses 128 bits, which vastly expands the possible number of IP addresses?

A. IPv6 B. IPv8 C. IPv2 D. IPv4

Computer Science & Information Technology

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

Computer Science & Information Technology