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OLga [1]
3 years ago
7

An interface is a class that contains only the method headings and each method heading is terminated with a semicolon. True Fals

e
Computers and Technology
1 answer:
liubo4ka [24]3 years ago
3 0

Answer:

False

Explanation:

Interfaces are similar to classes in Java, but they are not a type of class. A class defines the attributes and behaviours of objects, while interface contains the methods that shows the behaviours to be implemented by a class.

A method is one or more group of statements, it does not need to end with a semicolon. Methods in interfaces are abstract and for a class to contain these abstract method, it must be defined in the class.

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The cost to ship a package is a flat fee of 75 cents plus 25 cents per pound.
Sonbull [250]

Answer:

The following alterations are done to the program

1. Replace <em>/* Your solution goes here */ </em>with

<em>const int CENTS_PER_POUND = 25;</em>

<em>cout<<"Ship Weight Pounds: "; </em>

<em>cin>>shipWeightPounds; </em>

<em />

2. Include

<em>shipCostCents = FLAT_FEE_CENTS + CENTS_PER_POUND * shipWeightPounds;</em>

after

<em>cout << ", Cents per lb: " << CENTS_PER_POUND;</em>

Explanation:

<em>See attachment for complete program as it should be ordered</em>

<em></em>

This line declares CENTS_PER_POUND as a constant integer and it also initializes the variable to 25

<em>const int CENTS_PER_POUND = 25;</em>

This prompts the user for the weight of the shipping items (in pounds)

<em>cout<<"Ship Weight Pounds: "; </em>

<em />

This gets user input for  the weight of the shipping item

<em>cin>>shipWeightPounds; </em>

<em />

<em>.............................</em>

<em>........</em>

<em>...</em>

This calculates the cost of shipping the item

<em>shipCostCents = FLAT_FEE_CENTS + CENTS_PER_POUND * shipWeightPounds;</em>

Download cpp
6 0
3 years ago
LILLE VIC LUNCUL ANCI.
tatiyna

The correct option is C. toward the floor.

The magnetic force on the moving negative charge acts towards the floor.

<u>Explanation</u>:

The direction of the force applied on the moving charged particle placed in the magnetic field can be determined with the help of Fleming’s Left hand rule.

The current flows in the direction opposite to the direction of electron. If the electron moves from negative terminal to positive terminal, then the current will flow from positive terminal to negative terminal.

As given, the direction of electron- South to North

So the direction of current will be- North to South

Using Fleming's Left hand rule we get the direction of force in downward direction, i.e. towards the floor.

5 0
3 years ago
The AutoRecovery feature would be useful for which situations? Check all that apply.
Aliun [14]

Answer:

All of the above but I'm not 100% sure.

5 0
3 years ago
Nilsu is attempting to train a new administrative assistant on using a word processing program. Since the program is fairly comp
tatiyna

Answer:

teach the assistant bits and pieces of the program.

Explanation:

Given that the program is fairly complex and has many independent components, the most ideal way Nilsu should train a new administrative assistant on using a word processing program is by "teaching the assistant bits and pieces of the program."

This will make the administrative assistant understand and operate the program at a gradual pace without anhthing looking confusing.

5 0
2 years ago
It was stated that the inclusion of the salt in the UNIX password scheme increases the difficulty of guessing by a factor of 409
Furkat [3]

Answer: Explanation:

Salting alters the hash of a password so that it does not physically match the hash of another password. A salt and password are concatenated and processed with a cryptographic hash function. Salt prevents use of rainbow and hash tables to attacking and cracking passwords.

For example, a user has the password, "password000" and is put through a SHA1 hash. In the password database, all of the users with the password "password000" will have the exact same hash, because of the nature of hashing functions.  So, if an attacker breaches the database and brute force the password of the user mentioned above, he could look for all the hashes that match the original user's and would know their passwords are also "password000".

By applying a salt, the password hashes would no longer be identical to one another, even though the actual password is still the same. This requires the attacker to go in and attempt to brute force the second password (which has a different salt), even though it may be the same as the first.

In conclusion, it prevents an attacker from uncovering one password and subsequently uncovering multiple others.

4 0
3 years ago
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