Which of the following statements will create a reference, str, to the String "Hello, World"?
a. String str = "Hello, World";
b. string str = "Hello, World";
c. String str = new "Hello, World";
d. str = "Hello, World";
a. String str = "Hello, World";
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A subclass should use the ____ of its superclass to read the values of its inherited instance variables.
A. accessor methods B. constructor C. mutator methods D. class methods
The main storage device for most PCs is a high-capacity ____.
A. DVD B. hard disk drive C. CD D. USB flash drive
In MySQL, the DECLARE statement appears in a ________ block.
a. START...END b. BEGIN...END c. TRY...CATCH d. IF...ELSEIF
All of the following statements are TRUE about basic statistical methods to business EXCEPT:
A) With so much data so easily available, it is becoming increasingly important that people in business understand how to use that data to make good, strategic decisions. B) Statistical methods can be used to analyze business data to support good decision making. C) Statistics can be used to determine effectiveness of advertising campaigns, to understand what factors contribute to the demand for your products, to spot seasonal trends in the sales of certain products, and much more. D) The more random the sample, the less accurate the statistical analysis will be, in part, because randomness eliminates bias.