Explain what the main methods array parameter, args, is used for.
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Args allows the program to obtain input from the command line at runtime. To take advantage of this feature, the program is invoked with the java command, followed by the program name, and a list of arguments. Java stores these arguments in the args[] array.
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Which of these remarks about formal parameters is correct?
a. A formal parameter is a kind of place holder that is filled with the argument at the time of call to the function. b. A call-by-value formal parameter is a global variable that is initialized to the value set just before the function is called. c. A call-by-reference formal parameter is modeled on a substitution mechanism. The argument should be an expression, not a variable, since there is never a need to assign such a variable. d. The & (ampersand) character is used to indicate call-by-reference. This is done by placing the & after the type name which is followed by the parameter name in the definition of the parameter in the function header. e. The argument corresponding to a call-by-value parameter cannot be changed by anything that happens in the function call.
What would be a benefit of linking a table to your database rather than importing it?
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When might you want to apply a gradient instead of a blend, and vice versa?
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Six guidelines are available for you to use when determining database maintenance tasks. What are these six guidelines?
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