Which of the following is the correct boolean expression to test for: int x being a value less than or equal to 500 or greater than 650, or int y not equal to 1000?
a. ((x >= 500 && x < 650) && (y != 1000))
b. ((x <= 500 OR x > 650) AND !(y.equal(1000)))
c. ((x >= 500 || x < 650) || (y != 1000))
d. ((x <= 500 || x > 650) && !(y == 1000))
d. ((x <= 500 || x > 650) && !(y == 1000))
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Consider a class that uses the following variables to implement an array-based stack:
``` String [] s = new String[100]; int top = -1; // Note top == -1 indicates stack is empty ``` a method that implements a String peek() operation can be written as A) if (top == -1) throw new RuntimeException("Empty Stack"); else return s[top -1]; B) if (top > -1) return s[top]; else throw new RuntimeException("Empty Stack"); C) top--; if (top == -1) throw new RuntimeException("Empty Stack"); else return s[top]; D) if (top == 0) throw new RuntimeException("Empty Stack"); else { top--; return s[top]; }
JavaScript makes Web documents dynamic by using ____.
A. events B. monitors C. dynamic tools D. boolean values
The speed of DRAM is increasing by about 7% a year, while the performance of processors is increasing by about 60%. What is the consequence of this state of affairs in the short term? What is the consequence in the long term?
What will be an ideal response?
The first phase of penetration testing is to plan the test.
a. true b. false