Which unary operator is used to access the contents of a memory cell through an indirect reference?
a. %
b. #
c. *
d. &
e. !
C
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A database management system provides a number of facilities, which will vary from system to system. Describe the type of facilities you might expect, especially those that aid the initial implementation of a database and its subsequent administration.
What will be an ideal response?
In a function that gets a value from the keyboard and communicates that value to the main function via a parameter, the parameter used is considered __________.
a. an input parameter b. an output parameter c. an input/output parameter d. a local variable e. a stub
Analyze the following code.
``` // Program 1: public class Test { public static void main(String[] args) { Object a1 = new A(); Object a2 = new A(); System.out.println(a1.equals(a2)); } } class A { int x; public boolean equals(A a) { return this.x == a.x; } } // Program 2: public class Test { public static void main(String[] args) { A a1 = new A(); A a2 = new A(); System.out.println(a1.equals(a2)); } } class A { int x; public boolean equals(A a) { return this.x == a.x; } } ``` a. Program 1 displays true and Program 2 displays true b. Program 1 displays false and Program 2 displays true c. Program 1 displays true and Program 2 displays false d. Program 1 displays false and Program 2 displays false
How does the precision argument change the way the Round function behaves?
What will be an ideal response?