To improve readability and maintainability, you should declare _________ instead of using literal values such as 3.14159.
a. variables
b. methods
c. constants
d. classes
c A constant gives a literal a descriptive name and makes the code more readable.
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The getValue() method is overridden in two ways. Which one is correct?
``` I: public class Test { public static void main(String[] args) { A a = new A(); System.out.println(a.getValue()); } } class B { public String getValue() { return "Any object"; } } class A extends B { public Object getValue() { return "A string"; } } II: public class Test { public static void main(String[] args) { A a = new A(); System.out.println(a.getValue()); } } class B { public Object getValue() { return "Any object"; } } class A extends B { public String getValue() { return "A string"; } } ``` a. I b. II c. Both I and II d. Neither
Gmail allows you to prioritize messages using the _____ important icon.
A. 
B. 
C. 
D. 