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2 years ago

What can you say about the following Java class definition?

Computers and Technology

1 answer:

IrinaK [193]2 years ago

3 0

Answer:

The class is called MyApp which inherits from JFrame and implements the ActionListener interface.

Explanation:

The class is called MyApp which extends the swing class JFrame and implements the ActionListener interface for event handling. As a results it needs to implement a method called actionPerformed for handling the relevant events that may be raised from the user interface. Since it extends JFrame, it has access to all the public and protected methods defined in JFrame(for example setTitle to set the title of the frame).

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File details is the correct answer for PLATO users

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In today's classrooms, computers are generally being used to

Vinvika [58]

The answer is enhance traditional instruction. Computers are often used by teachers so that the teachers may have an easier time with their visual aids. Now that we have tools like powerpoint presentations and excel files, it will be easier for the teachers to prepare

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2 years ago

What is the other name of iterative staatement

Mademuasel [1]

Answer:

An loop statement

Explanation:

An iteration statement, loop, repeatedly executes a statement, know as a loop body,until the controlling expression is false

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2 years ago

QUESTION 6 Which of the following is a class A IPv4 address? a. 118.20.210.254 b. 183.16.17.30 c. 215.16.17.30 d. 255.255.0.0

shepuryov [24]

Answer:

a. 118.20.210.254

Explanation:

Here are the few characteristics of Class A:

First bit of the first octet of class A is 0.

This class has 8 bits for network and 24 bits for hosts.

The default sub-net mask for class A IP address is 255.0.0.0

Lets see if the first bit of first octet of 118.20.210.254 address is 0.

118 in binary (8 bits) can be represented as : 1110110

To complete 8 bits add a 0 to the left.

01110110

First bit of the first octet of class A is 0 So this is class A address.

For option b the first octet is : 183 in the form of bits = 10110111 So it is not class A address

For option c the first octet is 215 in the form of bits = 11010111 So it is not class A address

For option d the first octet is 255 in the form of bits = 11111111. The first bit of first octet is not 0 so it is also not class A address.

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2 years ago

Which type of image would require you to obtain permission from the author to use the image and possibly pay a royalty to the au

ASHA 777 [7]

Answer:

Copyrighted.

Explanation:

Patent can be defined as the exclusive or sole right granted to an inventor by a sovereign authority such as a government, which enables him or her to manufacture, use, or sell an invention for a specific period of time.

Generally, patents are used on innovation for products that are manufactured through the application of various technologies.

Basically, the three (3) main ways to protect an intellectual property is to employ the use of

I. Trademarks.

II. Patents.

III. Copyright.

Copyright law can be defined as a set of formal rules granted by a government to protect an intellectual property by giving the owner an exclusive right to use while preventing any unauthorized access, use or duplication by others.

Hence, a copyrighted image would require you to obtain permission from the author to use the image and possibly pay a royalty to the author for its use.

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2 years ago