What is the function of the PVM?
A. converts methods to subroutines
B. executes a python program from bytecodes
C. compiles Python code into assembly language
D. links a Python program to imported modules
Answer: B
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What is the output for the first statement in the main method?
``` public class Foo { static int i = 0; static int j = 0; public static void main(String[] args) { int i = 2; int k = 3; { int j = 3; System.out.println("i + j is " + i + j); } k = i + j; System.out.println("k is " + k); System.out.println("j is " + j); } } ``` a. i + j is 5 b. i + j is 6 c. i + j is 22 d. i + j is 23
Explain each of the following.
(a) Why a log has to have the write-ahead property (b) Why a checkpoint record is appended to the log periodically
To remove extra spaces from a text string while leaving single spaces between words, use the ________ function
Fill in the blank(s) with the appropriate word(s).
The >= comparison operator means ____.
A. less than or greater than B. within C. in D. greater than or equal to