Pointers: to avoid problems with pointers, Java (and other languages) have replaced pointers with what?
Answers
Java and some other modern programming languages, such as C# and Python, have replaced pointers with references.
A reference in Java is a variable that holds the memory address of an object, similar to a pointer in C or C++.
Pointers, references in Java cannot be manipulated directly by the programmer, and they are managed automatically by the Java runtime environment.
The use of references in Java provides several benefits over pointers. First, references are type-safe, which means that they cannot be used to point to memory locations of the wrong type.
The prevent common programming errors that can occur with pointers, such as accessing memory that has already been freed or overwriting memory that is being used by other parts of the program.
Second, references in Java are managed by a garbage collector, which automatically frees up memory that is no longer being used by the program.
It easier for developers to manage memory and reduces the risk of memory leaks, which can occur when memory is not properly freed.
Finally, references in Java are more secure than pointers, as they cannot be used to access memory outside of the program's memory space.
This helps prevent malicious code from exploiting vulnerabilities in the program's memory management system.
Java and some other modern programming languages have replaced pointers with references, which provide several benefits over pointers, including type-safety, automatic memory management, and improved security.
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Related Questions
The loss of power a signal suffers as it travels from the transmitting computer to a receiving computer is:
Answers
Answer:
The loss of power a signal suffers as it travels from the transmitting computer to a receiving computer is attenuation .
The loss of power a signal suffers as it travels from the transmitting computer to a receiving computer is called "attenuation."
Attenuation refers to the weakening or reduction of a signal's strength as it travels through a medium (such as a cable, air, or fiber optics) over distance. Various factors can contribute to attenuation, including the resistance of the medium, signal dispersion, and interference from external sources.
In summary, the term used to describe the loss of power a signal experiences as it moves from a transmitting computer to a receiving computer is attenuation. This phenomenon is caused by multiple factors, such as the medium's resistance and external interference, which reduce the signal's strength over distance.
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Which function would you use to find the oldest date in a range?
a. Min
b. Max
c. Oldest
d. Median
Answers
A range's oldest date is determined via the MIN function. Dates can be expressed as numbers, therefore you can use the MIN function to represent the oldest date and the MAX function to represent the most recent date.
What is meant by MIN function?The MIN function in Excel is a built-in function that locates the lowest integer among a range. Text-filled cells are disregarded by the function. Only cells with numbers will function. Note: The MAX function does the exact opposite of MIN by locating the highest number inside a range. The MIN function examines your data range and delivers the smallest value found there. Let's say we need to get the minimum values and we have data from A2 to B6. We can utilise Excel's MIN function in this situation. The least value within the A2 to B6 cell range may be obtained in this example by applying the MIN function formula =MIN(A2:B6).Therefore,
The earliest date is determined using the formula
=MIN(IF(A2:A26=D2,B2:B26)) in cell E2.
For the most recent date, enter
=MAX(IF(A2:A26=D2,B2:B26)) in cell F2.
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1. Sunday Times wants an analysis of the demographic characteristics of its readers. The
Marketing department has collected reader survey records containing the age, gender, marital
status, and annual income of readers. Design an application (Flowchart) that accepts reader
data and, when data entry is complete, produces a count of readers by age groups as follows:
under 20, 20–29, 30–39, 40–49, and 50 and older. Hint: Refer to the program discussed in
class Figure 6-15
2. Create the logic (Flowchart) for a program that calculates and displays the amount of money
you would have if you invested R10000 at 4 percent simple interest for one year. Create a
separate method to do the calculation and return the result to be displayed.
The main program (Flowchart) should prompt the user for the amount of money and passes it
to the interest-calculating method.
Answers
Answer:
GIRL
Explanation:
DALAGANG FILIPINA
14 YEARS OLD
NEED FRIENDS
Comments File Home Insert Draw Page Layout Formulas Data Review View Help ▼ K7 X✓ fx B A с D E F G H K M N O P 1 Reid Furniture Store Financing 2 In range G9:G115 enter a formula to calculate the
Answers
In range G9:G115, the formula to calculate the monthly payment for a loan in the Reid Furniture Store Financing worksheet is as follows: =PMT(G5/12,G6,-G4)
Here, the PMT function is used to calculate the monthly payment for a loan.
The arguments required for this function are the interest rate per period, the number of periods, and the present value of the loan.
In this case, the arguments are as follows: Interest rate per period = G5/12Number of periods = G6
Present value of the loan = -G4 (since this value is a negative amount)
Therefore, the complete formula is = PMT(G5/12,G6,-G4).
The range G9:G115 is the area where the formula is being entered, and it will show the results for each customer in that range.
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Select the appropriate APA guidelines when typing a research paper.
Keep the margins at one inch on all sides of the paper.
Single space.
Choose 10 point or 12 point font.
Do not indent paragraphs.
Include page numbers on all pages.
Answers
Answer:
Keep Margins at one inch on all sides of the paper.
Choose 10 point or 12 point font.
Include page numbers on all pages.
Explanation:
Because I've done it.
Answer:
Keep Margins at one inch on all sides of the paper.
Choose 10 point or 12 point font.
Include page numbers on all pages.
Explanation:
What is it called when servers on the Internet supply applications as a service, rather than a product
Answers
Answer:
cloud computing
Find the cost of 2m 20cm at 25p per metre
Answers
Answer:
length * cost per unit
2.2*25
= 50 pounds
The filter "Begins With..." option is found on which type of filter? A) Custom filter. B) Text filter. C) Number filter. D) Date filter.
Answers
The "Begins With..." option is found on the Text filter. This filter is used to search for specific text within a range of cells. It allows you to filter data based on the first few characters in a cell. For example, if you have a list of names and you want to filter only those that begin with the letter "A," you can use the "Begins With..." option on the Text filter.
To use this option, you need to select the column you want to filter and then select the Text filter. From there, you can select the "Begins With..." option and enter the text you want to search for. The filter will then only display the cells that begin with that text. It's important to note that the Text filter can also be used for other options, such as "Contains," "Ends With," and "Does Not Contain." These options allow you to further refine your search criteria and filter data more precisely. In summary, the "Begins With..." option is a useful tool for filtering data in Excel, and it is found on the Text filter. It allows you to search for specific text within a range of cells and can be used in conjunction with other filter options for more advanced searches.
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A process known as ___ allows users to install system updates from their computer's manufacturer or even install a customized operating system on android mobile devices
Answers
Answer:
Flashing?
Explanation:
In the context of Android devices, flashing a new ROM.
The process known as "flashing" allows users to install system updates from their computer's manufacturer or even install a customized operating system on Android mobile devices.
Which process allows users to install system updates from their computer's manufacturer?Flashing is a procedure enabling users to update or modify the operating system on Android mobile devices. It involves installing custom firmware or software packages, often provided by device manufacturers or third-party developers. This process replaces the existing OS with a newer version or a customized one tailored to the user's preferences. Flashing provides greater flexibility, enhanced features, and improved performance. However, improper flashing can lead to device malfunction or data loss. Thus, users must exercise caution and follow precise instructions to ensure successful outcomes while unlocking new possibilities for their Android devices.
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This type of cable is used to connect the keyboard and mouse to the computer:
PS/2 cable
Ethernet cable
HDMI cable
DVI cable
Answers
Answer:
I'm going to have to go with PS/2 cable
Explanation:
did some research
it's the ps/2 cable
ethernet cables are for wifi
hdmi connects computer to the monitor
dvi connects to an older type of monitor
what group both contains primary and secondary consumers
Answers
Answer:
i'm sure this question goes in biology
How do I remember the cranial nerves Nclex?
Answers
To remember the cranial nerves for the Nclex exam, you can use mnemonics, which are memory devices that help you recall information.
One popular mnemonic for the cranial nerves is "On Old Olympus' Towering Top A Finn And German Viewed Some Hops," where each word corresponds to the first letter of the cranial nerve. Here is how it works:
1. Olfactory (On)
2. Optic (Old)
3. Oculomotor (Olympus')
4. Trochlear (Towering)
5. Trigeminal (Top)
6. Abducens (A)
7. Facial (Finn)
8. Vestibulocochlear (And)
9. Glossopharyngeal (German)
10. Vagus (Viewed)
11. Spinal accessory (Some)
12. Hypoglossal (Hops)
You can also use other mnemonics, such as "Oh, Oh, Oh, To Touch And Feel Very Good Velvet. Such Heaven!" or "Oh Once One Takes The Anatomy Final, Very Good Vacations Are Heavenly."
Remember to practice recalling the cranial nerves using the mnemonic until you can do it without hesitation.
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If a company wanted to link the computerized functions of all its divisions and subsidiaries of the firm into an integrated software program that uses a single database in order to develop a more integrated system that improves customer service, it would most likely use.
Answers
Since the company wanted to link the computerized functions of all its divisions and subsidiaries of the firm into an integrated software program that uses a single database in order to develop a more integrated system that improves customer service, it would most likely use enterprise resource planning (ERP),
How does ERP operate and what does it do?Business resource planning definition (ERP) is Enterprise performance management, a piece of software that aids in planning, budgeting, forecasting, and reporting financial outcomes for a business, is also a component of a full ERP suite. ERP systems enable data to flow between various company operations and connect them all together.
Therefore, Software for enterprise resource planning provides single-system solutions that connect processes throughout the company. These programs enable cross-functional cooperation, information sharing, and user interaction inside a single interface. They boost effectiveness, efficiency, and teamwork.
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If the 5th term of an A.P is 7 and the first term is 2.Find the common difference.
Answers
Answer:
5/4
Explanation:
a=2
a5=7
a+(5-1)d=7
2+4d=7
4d=5
d=5/4
an administrator needs to configure page layouts and record types for the opportunity object so that each team sees what it needs to see, without cluttered layouts containing unnecessary fields. what should the administrator do to accomplish this goal? a.
Answers
The administrator variable should create different page layouts and record types for the opportunity object, customized to the needs of each team, ensuring that each team only sees the necessary fields and a clutter-free layout.
The administrator variable should create different page layouts and record types for the opportunity object, customized to the needs of each team. The page layouts should include only the necessary fields and should be designed to provide a clutter-free layout. By creating specialized page layouts and record types for each team, the administrator can ensure that each team only sees the information that is relevant to them and that the page layouts are not cluttered with unnecessary fields. This will help to improve the user experience, as each team will be able to quickly and easily find the information they need. It will also help to improve productivity, as each team will be able to complete tasks more quickly, since they will only have to search for the information they need.
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A constructor initialization list is preceded by _____. A. a semicolon. B. a colon. C. two colons. D. a space
Answers
A constructor initialization list is preceded by a colon. Therefore correct option is B.
The constructor initialization list is initialized with the class objects, which have been declared before the opening of the constructor. This is done in the constructor initialization list that is preceded by a colon. There is a difference between constructor initialization list and constructor body. The constructor body is enclosed in a set of braces {} while the constructor initialization list is preceded by a colon. The initialization list is used to initialize the class members, whereas the constructor body is used to do further computation after the class members have been initialized. Hence option B is the right choice.
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what are the advantages of hybrid computer
Answers
The advantages of hybrid computers are:
They have a large amount of computing speed speed that is often helped by the all-parallel configuration made by the analog subsystem. It is very useful in terms of numerical solutions for any work of differential equations and also in flight simulation.What is an advantage of hybrid computing?Hybrid cloud computing is known to be one that gives businesses a lot of control over their data and it is one that have a good or better security as it tends to lower the risk of exposure of data.
Note that,The advantages of hybrid computers are:
They have a large amount of computing speed speed that is often helped by the all-parallel configuration made by the analog subsystem. It is very useful in terms of numerical solutions for any work of differential equations and also in flight simulation.Learn more about hybrid computing from
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What is the process used for creating natural
sets?
Answers
Answer:
natural sets of what thing?
write the importance of software In computer
Answers
Answer:
Microsoft word, Excel, Access, Power point, Microsoft windows...........
Explanation:
Pls help me I beg u
Answers
Haan creates this table to track his income.
A
1 Month
2 Jan
3 Feb
4 Mar
5 Apr
6 May
7 Jun
8 Jul
9 Aug
10 Sep
11 Oct
12 Nov
13 Dec
14 Year Total
B
Income
$3,800
$3,300
$4,200
$4,900
$2,800
$4,100
$3,000
$4,200
$4,700
$3,600
$5,100
$4,200
Which would give him the total income for the year?
=SUM(B2 B13)
EADD(B1:B14)
SUMB1B14
(B2B13)
Answers
Answer:
Your answer is 42,800.
Explanation:
Add together all the numbers and you get a total income of 42,800.
Answer:
=SUM(B2:B13)
Explanation:
EDGE2021
An _____ is the condition that exists when data are isolated in separated information systems.
A. information moat
B. information island
C. information bridge
D. information barn
E. information silo
Answers
An information silo is the condition that exists when data are isolated in separated information systems.
An information silo refers to the condition when data is isolated and compartmentalized within separate information systems or departments within an organization.
It is a metaphorical term that represents the lack of integration and communication between different systems or departments.
In an information silo, each system or department operates independently and maintains its own database, software, and processes.
Data and information are not easily shared or accessible by other systems or departments, leading to limited collaboration and inefficient workflows.
The presence of information silos can create several challenges within an organization. It can result in duplication of efforts, inconsistent or conflicting data, difficulty in obtaining a holistic view of operations, and hindrance to decision-making processes.
Communication and coordination between teams may suffer, as there is limited sharing of information and insights.
To overcome the negative effects of information silos, organizations often implement strategies and technologies that promote data integration, centralization, and interoperability.
This can involve implementing enterprise-wide systems, developing standardized data formats and protocols, and fostering a culture of collaboration and information sharing across different departments.
Breaking down information silos can lead to improved efficiency, better decision-making, enhanced customer experiences, and increased innovation within an organization.
It allows for a more comprehensive and accurate understanding of the organization's operations and facilitates the flow of information and knowledge across different areas.
Therefore the correct option is E. information silo.
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Can someone do this for me before 11:59 thanks in advance
How we hear
Here is someone listening to some music produced by the loudspeaker and CD player
Please explain how the person hears the music
Answers
Supervisors’ responsibilities include operational matters.
true false
Answers
True. Supervisors are responsible for overseeing and managing the operational aspects of a team or department. This includes tasks such as assigning work, monitoring progress, ensuring efficiency, and addressing any operational issues that may arise.
Supervisors are also responsible for setting goals, providing guidance and support to their team members, and evaluating performance. By taking on these responsibilities, supervisors play a crucial role in ensuring the smooth functioning of the operations within an organization.
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which of the two attributes should have the name of javascript as its value?
Answers
JavaScript objects have two types of properties: data properties and accessor properties.
I also found this:
attributes : a collection of objects that belong to a built-in Attr class, with name and value properties. HTML attributes have the following features: Their name is case-insensitive ( id is same as ID ). Their values are always strings.
A __engineer specializes in computer hardware design and integration.
Answers
software
informative
network
computer
Answers
Answer: D) Computer
Explanation:
A Software Engineer is focused around the creation of Operating Systems and compilers, and a Computer Engineer is the specialization which is based around building and designing hardware.
Answer:
computer
Explanation:
Select the correct answer. Which important design element indicates that posters have proper visual balance of text and graphics? A- order B- focus C- visual grammar D-grid E- graphics
Answers
A key design component shows that posters have the right visual balance of text and pictures.
What design components specifically focus on visuals?The foundational aspects of a product's aesthetics include line, shape, negative/white space, volume, value, color, and texture. These are known as the elements of visual design. The principles of design, on the other hand, explain how these components can and should work together for the optimal outcomes.
What elements and principles of the artistic process are used in the creation of a poster's graphic design?Posters for each of the seven design principles—contrast, rhythm, unity, emphasis, pattern, movement, and balance—as well as the seven design elements—illustrate and explain value, color, form, shape, line, space, and texture.
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Can anyone help me on assignment 8: personal organizer on edhesive?
Answers
Open the PDF attached and it has the code I used to answer it. It got me 100%. Hope it works for you <3
If wearing protective gloves, there's no need to wash your hands after exposure to blood.
Answers
Answer:
No, still wash hands
Explanation:
Answer: wash hands
Explanation: if you don't then you could probably get hurt by the chemicals.
A nurse has forgotten the computer password and asks to use another nurse's password to log on to the computer. which response by the coworker demonstrates safe computer usage?
Answers
A response by the coworker which demonstrates safe computer usage is: B) telling the nurse that she may not use the password.
What is a password?A password can be defined as a string of characters, phrase or word that is designed and developed to distinguish an unauthorized user from an authorized user, especially through an identification and authentication process.
What is a password policy?A password policy can be defined as a set of rules and standard that are designed and developed by the data security or networking team of an organization, so as to enhance computer security and ensure all password meet the minimum requirements such as:
Password maximum age.Password minimum length.Password combinationIn this context, we can reasonably infer and logically deduce that a response by the coworker which demonstrates safe computer usage is telling the nurse that she may not use the password because it should never be shared..
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Complete Question:
A nurse says she's forgotten her computer password and asks to use another nurse's password to log on to the computer. Which response by the coworker demonstrates safe computer usage?
A) writing down the password so the nurse won't forget it
B) telling the nurse that she may not use the password
C) telling the nurse that she may use the password
D) telling the nurse to ask someone else for their password