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3 years ago

Named constants should be used when they serve to improve readability and understanding. T or F

2 answers:

8 0

The answer is true.

Let's say we are calculating the volume of a grain silo where the the width is a constant, but the height can be changed.

In our code we would calculate the volume using something like:

PI * (WIDTH / 2)^2 * height

The variables in all caps would be named constants. Using them makes the code more readable to other people than if we were to just use their values like:

3.14 * (145.75 / 2)^2 * height

Tanya [424]3 years ago

7 0

It's true. T for true

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Diano4ka-milaya [45]

Answer:

the correct answer is a. Word processing.

Explanation:

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3 years ago

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FrozenT [24]

Answer:

d) 0 1 1 2

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Explanation:

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3 years ago

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GarryVolchara [31]

Answer:

The average, year after year, conditions of temperature, precipitation, winds and clouds in an area.

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3 years ago

Making a class's instance variables public and its methods private and accessing those instance variables only through the class

Burka [1]

Answer:

False

Explanation:

The reason is that it should be the opposite. The class's instance variables should be private, and its methods should be private. In that way, only these methods can access to the private variables. For example, you have a class named Person and a variable called ssn (social security number). It is better to make this ssn variable private (It is actually a private information for a person) so that it cannot be read or modified outside of your class.

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3 years ago

Consider the following method intended to modify the parameter names by removing all instances of the String n.

Anastasy [175]

Answer:

int i = 0; i < names.size(); i++

Explanation:

The ArrayList must be read in the forward direction, and it is going to start from 0 certainly. Also, the iteration is going to end when i is exactly one less than the size of the ArrayList. And this is possible only if we choose the option mentioned in the Answer section. In this, i starts from 0 and iterates till i is one less than name.size() which is the size of the ArrayList.

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3 years ago