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2 years ago

True or False: A class that implements an interface may only implement a few of that interface's method declarations

Computers and Technology

1 answer:

Umnica [9.8K]2 years ago

8 0

Answer:

False

Explanation:

Whenever a class implements an interface, it has to define all the functions which are declared in the interface because in the interfaces, methods are only declared and not defined, so, if a method is left undefined, it leads to compilation error, that is why, all methods of an interface has to be defined by the class which is implemented that method.

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1. PGP encryption can be performed from the command line as well. What is the PGP command line syntax to encrypt the my-message.

bekas [8.4K]

Answer:

1. From the command prompt, type:

pgp --encrypt "my-message.txt" --recipient "Sean" --output "secret-message.txt.gpg"

2. Press Enter.

Explanation:

From the command line, the above command is entered and Enter is pressed.

The command start with pgp, then it has different options:

--encrypt: this specifies the input file to be encrypted

--recipient: this specifies the specific user to which the file is been encrypted

--output: this specifies the name to which the output (encrypted file) is saved.

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2 years ago

Zander is beginning to take college courses to prepare for a career in computer science, which is the study of using logic to cr

scoundrel [369]

The answer is (A. career definition and career requirements )

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2 years ago

The major result of treating 1-butyne with 6M aqueous NaOH would be:_______.A. the production of an alkene.B. the production of

andriy [413]

Answer:

D. nothing, as the alkyne would not react to an appreciable extent.

Explanation:

Nothing, as the alkyne would not react to an appreciable extent.

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2 years ago

Together with some anthropologists, you’re studying a sparsely populated region of a rainforest, where 50 farmers live along a 5

Varvara68 [4.7K]

Answer:

Explanation:

Farmers are always both directly and indirectly connected to each other

Their network is mostly strong

Networks become weak only on the edges (ends) of the river but doesn't completely dimnish

With the available network length, the center of river bank forms the strongest network of all and becomes a key player in defining the balance property of overall network

The network is very well structurally balanced and we can see that through the below image

20 miles 10 20 30 40 50

See attachment file for diagram

Considering the total length of river as 50miles and and the center of the whole length will be at 25th mile. From that point, if we consider a farmer will be be having friends for a length of 20miles both along upstream and downstream.

By this he'll be in friend with people who are around 80% of the total population. As me move from this point the integrity increases and this results in a highly balanced structural network.

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2 years ago

Create a custom list using cells A2 A12.

Dafna1 [17]

Answer:

To create a list of the cells A2 to A12, convert the A2: A12 range to a table, then select the data validation tab, input list as the type and the name of the A2:A12 range table, and then click ok. This list can now be used as a validation list in another column or worksheet.

Explanation:

Microsoft Excel provides the power of tables and list for categorized data and data validation.

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2 years ago