Test your understanding of Java with the following:
a. What does the code int x = 3; System.out.printlndo? It prints out?
b. What does the code String firstName = "Sue"; System.out.println(firstName);
do?
c. What does the code System.out.println(2 < 3); do?
d. What does the code System.out.prinltn(2 == 3); do?
e. What does the code Ssytem.out.println(3 >= 2); do?
a. "The result is " +x ; "The result is 3".
b. It prints out, "Sue".
c. It prints out "false".
d. It prints out "false".
e. It prints out "true".
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Which of the following is not a disadvantage of trying to modify a sequential access file?
a. Modifying data can potentially destroy other data. b. It may be necessary to rewrite every record in the file to make a slight change. c. Things that are stored in the same number of “raw data” bytes internally may not take up the same amount of space in a file. d. Overwriting a record with another record of the same size is very difficult.
The ____________________ format flag is used to show decimal separators.
Fill in the blank(s) with the appropriate word(s).
?
As shown in the accompanying figure, a hollow lock indicates that a layer is _____.
A. preset B. transparent C. fully locked D. partially locked
_________ consists of 24 satellites that transmit signals to determine the receiver's current location, time, and velocity through triangulation of the signals
a.UAS b.GPS c. A wearable system d. A flight simulator