Which interface is used to identify classes whose objects can be written to or read from some type of storage or transmitted across a network?
a. Comparable
b. Runnable
c. AutoCloseable
d. Serializable
d. Serializable
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Answer the following questions true (T) or false (F)
1. True/False: The Round(X) function and the Int(X) function do exactly the same thing. 2. True/False: Functions that are program modules, created by the programmer, are called built-in functions. 3. True/False: Code for built-in functions is supplied by the programming language in separate modules, often referred to as a library.
Which of the following statements is false?
a. Python applies the operators in arithmetic expressions according to the rules of operator precedence, which are generally the same as those in algebra. b. Parentheses have the highest level of precedence, so expressions in paren-theses evaluate first—thus, parentheses may force the order of evaluation to occur in any sequence you desire. c. In expressions with nested parentheses, such as (a / (b - c)), the expres-sion in the innermost parentheses (that is, b - c) evaluates first. d. If an expression contains several exponentiation operations, Python applies them from left to right.
The statement on line 1 ________ the array while the statement on line 2 ________ the array.
``` 1 var c; 2 c = new Array( 12 ); ``` a) declares, initializes b) initializes, declares c) declares, allocates d) allocates, declares
In what section is the field which calculates the total number of pages in the document, normally put?
A) Page footer B) Report header C) Report footer D) Page header