Define a public static method named s2f that takes two String arguments, the name of a file and some text. The method creates the file and writes the text to it. If all goes well the method returns true. If, however, either of its arguments are null or if there is any problem in creating or writin
Answers
Answer:
Java solution (because only major programming language that has public static methods)
(import java.io.* before hand)
public static boolean s2f(String fileName, String text){
try{
PrintWriter out = new PrintWriter(new File(fileName));
out.println(text);
out.close();
return true;
}
catch(Exception e){
return false;
}
}
Related Questions
40. What advantages do Java and C# reference type variables have over the pointers in other languages?
Answers
The advantages Java and C# reference type variables have over the pointers in other languages are Safety, Garbage collection, Abstraction, Null reference safety, and Easier debugging.
Java and C# reference type variables offer several advantages over pointers used in other languages like C or C++. Here are some key benefits:
1. Safety: Java and C# eliminate the possibility of invalid memory access or manipulation, which is a common issue when using pointers. By using reference types, these languages ensure that memory management is safe and less prone to errors.
2. Garbage collection: Java and C# automatically manage memory allocation and deallocation using garbage collection, which reduces the chance of memory leaks. This feature relieves developers from the burden of manual memory management associated with pointer manipulation in languages like C and C++.
3. Abstraction: Reference-type variables in Java and C# provide a higher level of abstraction, allowing developers to focus on problem-solving without worrying about the low-level implementation details of memory management. This abstraction helps create cleaner, more maintainable code.
4. Null reference safety: In C# 8.0, nullable and non-nullable reference types have been introduced, reducing the likelihood of NullReferenceException. This feature enables better error checking and increases the overall safety of the code.
5. Easier debugging: As Java and C# manage memory allocation and references automatically, developers can more easily debug their applications without worrying about memory corruption caused by pointer manipulation.
In conclusion, Java and C# reference type variables provide a safer, more efficient, and more maintainable coding environment when compared to pointers in other languages. These advantages stem from features such as automatic memory management, garbage collection, higher abstraction, and improved safety measures.
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Which of the following are advantages of a local area network, as opposed to a wide area network? Select 3 options.
greater geographic reach
higher speeds
lower cost
provides access to more networks
more secure
Answers
Answer:
1. Which of the following are advantages of a wide area network, as opposed to a local area network? Select 2 options.
provides access to other networksgreater geographic reach1. Which of the following are advantages of a local area network, as opposed to a wide area network? Select 3 options.
more secure lower costhigher speeds2. Which of the following are advantages of a wide area network, as opposed to a local area network? Select 2 options.
provides access to other networksgreater geographic reachExplanation:
There are different use of LAN. The wide area network is important because;
It has greater geographic reach.Lower costHigher speedWhat are the advantages of Local Area Network over wide area network?The Advantages of a LAN network is that:
In terms of Speed, as a result of minimal number of users, LAN networks gives fast connectivity when used by people.In terms of Cost, this networks is very cheap to run.While due to its Setup, the LAN network is said to be easy and one can make use of other older communications wiring.Learn more about LAN from
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All of the following is the wiring of front panel EXCEPT ONE. A. Power supply b. Reset sw c. Hard drive d. Optical drive
Answers
From the choices, the part that on not wiring of front panel is:
d. Optical drive
The front panel of a computer usually includes buttons and connectors that provide quick access to various components and functions of the system. The wiring of the front panel typically includes the following:
A. Power supply: A button to turn the power supply on or off.
B. Reset switch: A button to reset the system.
C. Hard drive: A light that indicates when the hard drive is active and a button to safely eject the hard drive.
D. Optical drive: This component is not typically wired to the front panel, as the optical drive is usually connected to the motherboard internally.
So, the wiring of front panel does not include the optical drive.
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what is bit and byte in computer
Answers
Hope this helps
According to the video, which tasks do Police Patrol Officers perform? Select all that apply.
providing legal advice
helping lost children
cleaning up hazardous materials
O supervising workers in prisons
enforcing traffic laws
o completing paperwork
Answers
Answer:
The answer is B, E, and F
Explanation:
Based on the video, the tasks do Police Patrol Officers perform are:
Helping lost children. Enforcing traffic laws. Completing paperwork..What is the work of police in patrol?Due to advances in technology and the society, work, etc., the reason of patrol is known to be the same as always. They serve to:
The protection of property and lives.The prevention and also detecting crime.Carrying out other services.Learn more about Police from
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wht kind of steps you still need to take to prepare you for a career in the field.
Answers
Think about volunteering, internships, or part-time employment. Gaining practical experience in the field of your potential professional choice might be extremely beneficial.
What is career ?
There are two definitions of a career. A profession, occupation, trade, or vocation are all frequently referred to using the word "career." What you perform for a livelihood is defined by your job, which can range from occupations requiring substantial education and training to ones that can be performed with just a high school degree and a desire to learn. Work as a doctor, attorney, teacher, carpenter, veterinary aid, electrician, cashier, instructor, or hairstylist is an example of a career.However, there is another way to define a career. Additionally, it relates to the advancement and activities you have made throughout your working years, particularly as they pertain to your vocation.
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A two-cavity klystron operates at 5 GHz with D.C. beam voltage 10 Kv and cavity gap 2mm. For a given input RF voltage, the magnitude of the gap voltage is 100 Volts. Calculate the gap transit angle and beam coupling coefficient.
Answers
The gap transit angle and the beam coupling coefficient of the two-cavity klystron are given as below:Calculation of gap transit angle:The gap transit angle is given by the relation,θg = (2π × fg × L) / (vz)where fg is the operating frequency of the klystron, L is the length of the drift space, and vz is the axial velocity of the electron beam.
In this case, the operating frequency of the klystron is given as 5 GHz. The drift space length is calculated as follows:L = (d1 + d2 + 2a) = (2 × 0.01 + 0.002) m = 0.022 mwhere d1 and d2 are the lengths of the cavity resonators, and a is the cavity gap length. We know that the axial velocity of the electron beam can be calculated as,vz = (2 × e × DC voltage / m)^(1/2) = (2 × 1.6 × 10^-19 × 10 × 10^3 / 9.1 × 10^-31)^(1/2) = 2.67 × 10^7 m/swhere e is the electronic charge, DC voltage is the beam voltage, and m is the mass of the electron.
Therefore, the gap transit angle is given as,θg = (2π × 5 × 10^9 × 0.022) / (2.67 × 10^7)≈ 5.88 degrees.Calculation of beam coupling coefficient:The beam coupling coefficient is given by the relation,k = VG / Vbin which VG is the output voltage of the second cavity and Vb is the input voltage to the first cavity. VG can be calculated as follows:VG = QL × Vgwhere QL is the loaded Q-factor of the second cavity, and Vg is the gap voltage.In this case, Vg is given as 100 V.
The loaded Q-factor can be calculated as follows:QL = (2π × fg × L) / Rwhere R is the resistance of the second cavity. The resistance of the second cavity can be calculated as,R = (4Q^2 / RL)where Q is the unloaded Q-factor and RL is the loaded resistance of the second cavity. We know that the unloaded Q-factor is given as,Q = (ω × L) / (R0 × C)where R0 is the characteristic resistance of free space, and C is the capacitance of the second cavity. The capacitance of the second cavity can be calculated as,C = ε0 × A / dwhere ε0 is the permittivity of free space, A is the cross-sectional area of the second cavity, and d is the length of the cavity gap.
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___________ is the number of pixels per inch
Answers
Answer:
Explanation:
What ever the number is inches is divide it by pixels
How do i fix this? ((My computer is on))
Answers
Answer:
the picture is not clear. there could be many reasons of why this is happening. has your computer had any physical damage recently?
Answer:your computer had a Damage by u get it 101 Battery
and if u want to fix it go to laptop shop and tells him to fix this laptop
Explanation:
FILL IN THE BLANK. you may define a(n) ________ in the initialization expression of a for loop.
Answers
Answer:
variable
Explanation:
You may define a variable in the initialization expression of a for loop.
Ore mined is processed at the Kalgold plant where the crushing circuit consists of a primary jaw
crusher, a screen and a secondary cone crusher. The primary crusher is located adjacent to the
pit and is in open circuit, with the crusher product being conveyed to the plant. In the plant this
material is fed into the cone crusher, which is in closed circuit with a screen which takes the
product from this crusher. The product from this circuit is the feed to the mill circuit:
The total solid feed to the primary crusher is 1200 t/hr. In analysing the performance of this
circuit, consider two size fractions, namely the particles larger than 1cm and those passing 1cm.
In the feed to the primary crusher only 15% of the material is already finer than 1cm. Assume
that the jaw crusher will break 30% of the material coarser than 1cm to finer than this size, while
the cone crusher will break 50% of the material above 1cm to finer than this size. Assume that
the screen’s performance is such that the partition number for the coarser particles is 0.8, while
it is 0.3 for the finer particles.
Carry out a mass balance over the circuit calculating the mass flowrates of each of the
components in each of the streams. What is the percentage passing 1cm in the crusher circuit
product/mill circuit feed?
Answers
We need to calculate the mass flowrates of each of the components in each of the streams and the percentage passing 1 cm in the crusher circuit product/mill circuit feed.
To calculate the mass flowrate of each component in each of the streams: F = C + T (1)
Where,
F = Feed flowrate (t/hr)
C = Circuit product flowrate (t/hr)
T = Tail flowrate (t/hr)
Circuit Flowrate:CF = QF × CF(2)
Where,
CF = Circuit flowrate (t/hr)
QF = Fractional volumetric flowrate of the stream
CF = VCF × γF (3)
Where,
VC = Volumetric flowrate of the stream (m3/hr)
γ = Density of the stream (t/m3)
Stream 1 - Feed to Primary Crusher: The total solid flowrate to the primary crusher is 1200 t/hr.
Let the fractional flow of particles larger than 1cm be F1 and that passing 1cm be F2.
F1 = 1 - 0.15 = 0.85
F2 = 0.15C1 = 0.3 × 0.85 × 1200 = 306 T/hr (material broken by jaw crusher larger than 1cm)
C2 = 0.5 × 0.15 × 1200 = 90 T/hr (material broken by cone crusher larger than 1cm)
T1 = (1 - 0.3) × 0.85 × 1200 = 714 T/hr
T2 = (1 - 0.5) × 0.15 × 1200 = 60 T/hr
Stream 2 - Product from Primary Crusher: The product from the primary crusher is the feed to the secondary cone crusher.
F1 = 0.7
F2 = 0.3
C1 = 0.8 × 0.7 × 306 = 171.36 T/hr (material not broken by secondary cone crusher and coming back to primary crusher)
C2 = 0.5 × 0.7 × 306 + 0.3 × 90 = 143.1 T/hr (material broken by secondary cone crusher larger than 1cm)
T1 = (1 - 0.8) × 0.7 × 306 = 48.96 T/hrT2 = (1 - 0.5) × 0.7 × 306 = 107.1 T/hr
Stream 3 - Product from Secondary Cone Crusher: The product from the secondary cone crusher is fed to the mill circuit.
F1 = 0.7,
F2 = 0.3
C1 = 0.8 × 0.3 × 143.1 + 0.7 × 171.36 = 235.32 T/hr
C2 = 0.5 × 0.3 × 143.1 = 21.47 T/hr
T1 = (1 - 0.8) × 0.3 × 143.1 = 28.62 T/hrT2 = (1 - 0.5) × 0.3 × 143.1 = 35.84 T/hr
Stream 4 - Mill Circuit Feed: The product from the secondary cone crusher is fed to the mill circuit.
F1 = 0.7,
F2 = 0.3.C1 = 235.32 T/hr
C2 = 21.47 T/hrT1 = 48.96 T/hr
T2 = 107.1 T/hr
Percentage passing 1 cm in the crusher circuit product/mill circuit feed:
Percentage passing 1 cm in the crusher circuit product = 100 × (T2 of Stream 2)/(C1 of Stream 2) = 100 × 107.1/235.32 = 45.51%
Percentage passing 1 cm in the mill circuit feed = 100 × (T2 of Stream 4)/(C1 of Stream 4) = 100 × 107.1/235.32 = 45.51%
Hence, the percentage passing 1cm in the crusher circuit product/mill circuit feed is 45.51%.
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Python plese help 4.2 projectstem
it keeps saying error
pet=input("What pet do you have? ")
c=1
while(pet!="rock"):
print("You have a " + pet + " with a total of " + str(c) + " pet(s)")
pet = input("What pet do you have?")
c = c + 1
Answers
Answer: while(pet!="stop"):
Explanation:
here was my code for that lesson
pet = input("What pet do you have? ")
total = 0
while pet!="stop":
total+=1
print("You have one " + pet + ". Total # of Pets: " + str(total))
pet = input("What pet do you have? ")
This tool lets you insert text anywhere in your document. O Cut О сору O Drag O Paste
Answers
Answer:
Drag or paste (im not 100% sure tho)
Explanation:
I have a string of christmas lights, and one went out. The rest still work, so I decided to just ignore the light bulb that went out because you can't tell from far away. Are my Christmas lights wired in a series circuit or a parallel circuit?
Answers
Answer:
Parallel circuit
Explanation:
When lights are in parrel circuit, a good example is the Christmas lights, each of the light has its own circuit connected to the power source. Such that as on of the light filaments gets burnt, it will have no effect on the other lights since they continue to be in a closed circuit, each on its own with the source of power.
What is a decision tree
Answers
__________ attribute specifies the height of the image.
Answers
Answer: The height attribute specifies the height of an image.
Explanation: Hope That Helps! (:
A compressed audio file format developed by the Moving Picture Experts Group is called
Answers
Answer:
The appropriate response is "MP3 file".
Explanation:
MPEG seems to be an association of ISO as well as IEC international organizations that make recommendations for media encryption, comprising processing of sound, illustrations and functional genomics, and file configurations for numerous technologies. MP3 seems to be a sound file stored in something like a compression digital audio created through MPEG consisting utilizes "Layer three" audio processing.what is the first step in the process of deploying a cloud computing offering?
Answers
Answer:
The first step in the process of deploying a Cloud Computing is to choose a suitable Cloud Provider such as AWS, Azure, or GCP. Once you have successfully chosen the cloud provider, you need to create an account to login and make use of the services of that provider.
Explanation:
which three settings must match in order for switch ports to form an etherchannel?
Answers
In order for switch ports to form an etherchannel, there are three settings that must match. These settings include the speed, duplex mode, and VLAN membership.
Firstly, the speed setting must match on both switch ports. This means that the switch ports must be configured to operate at the same speed, whether it be 10 Mbps, 100 Mbps, 1 Gbps, or higher. If the speed settings do not match, the etherchannel will not be formed.
Secondly, the duplex mode setting must also match on both switch ports. This refers to whether the switch ports are set to operate in full-duplex or half-duplex mode. Full-duplex mode allows for simultaneous transmission and reception of data, while half-duplex mode only allows for one direction of data flow at a time. If the duplex mode settings do not match, the etherchannel will not be formed.
Finally, the VLAN membership setting must match on both switch ports. This refers to which VLANs are allowed to traverse the etherchannel. If the VLAN membership settings do not match, the etherchannel will still form, but it will only carry traffic for the VLANs that are allowed on both switch ports.
In summary, in order for switch ports to form an etherchannel, the speed, duplex mode, and VLAN membership settings must all match. It is important to ensure that these settings are configured correctly in order to ensure proper network functionality and performance.
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please explain modem
Answers
Answer:
Router
Explanation:
Answer:
A modem is a portmanteau of "modulator- demodulator" – is a hardware device that converts data from a digital format, intended for communication directly between devices with specialized wiring, into one suitable for a transmission medium such as telephone lines or radio.
I hopes this help
Explanation:
which of the wireless wearable fitness devices are authorized within scifs. ?
Answers
SCIFs have the authority to use wireless wearable fitness devices. The following markings are necessary for controlled unclassified information (CUI): banner lines, part markings, and a CUI designation indicator.
To access classified information, which of the following is necessary?An individual must be eligible for national security access, have a need to know the information, have signed a Standard Form 312 (SF-312), Classified Information Nondisclosure Agreement, and be eligible for national security access.
Why would someone use a Sipr token?To allow DoD members, coalition partners, and others to access restricted websites, sign up for online services, and encrypt and digitally sign email, commanders at all levels will use the DoD PKI to provide authenticated identity management via personal identification number-protected CACs or SIPRNet tokens.
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YOOO CAN ANYONE SOLVE THIS IN JAVA??
Answers
public class JavaApplication80 {
public static String swapLetters(String word){
char prevC = '_';
String newWord = "";
int count = 0;
if (word.length() % 2 == 1 || word.isBlank()){
return word;
}
else{
for (int i = 0; i<word.length(); i++){
char c = word.charAt(i);
if(count % 2 == 1){
newWord += (c +""+ prevC);
}
prevC = c;
count+=1;
}
}
return newWord;
}
public static void main(String[] args) {
System.out.println(swapLetters("peanut"));
}
}
This works for me. Best of luck.
Answer:
I do not know
Explanation:
Which wireless standard can stream data at a rate of up to 54 mbps using a frequency of 5 ghz?.
Answers
Answer:
802.11a can stream data at a rate of up to 54 Mbps using a frequency of 5 GHz.
Explanation:
5. The <HR> tag is used to insert a straight horizontal line across the web page.
Answers
Answer:
the <hr> tag defines a thematic break in an HTML page (e.g. a shift of topic). The <hr> element is most often displayed as a horizontal rule that is used to separate content (or define a change) in an HTML page.
Explanation:
I'm sorry but I do not understand the question well i just want to help
the best answer it requests services, data and other resources available on the server
Answers
Answer:
Explanation:
?
A friend tells you that they cannot afford to pay for the standardized tests that need to be taken to apply for college and military academies. How could you respond?
Answers
Answer:
you could respond by giving your money to them.
Explanation:
i need help. match the commands to the task it helps to complete
Answers
1:4
2:3
3:2
4:1
URGENT What information is available in the Document Inspector Dialog Box? Check all that apply.
comments
document properties
privacy settings
presentation notes
embedded documents
digital IDs
Answers
These are all aspects of the document that can be inspected by the document inspector. The document inspector is a tool that allows us to examine documents in order to remove or alter information.
This is a useful tool to employ before finishing and distributing a document. Other aspects that the inspector can check in Powerpoint are embedded documents, data models, content apps and off-slide content.
Therefore, comments and annotations
document properties and personal informationinvisible on-slide contentLearn more about document on:
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Answer:
A, B, D, E
Explanation:
right on edge22
Edhesive quiz 4 computer science answers
Answers
I'm sorry, but it's not appropriate to provide answers for quizzes, tests, or assignments. This goes against Brainly's community guidelines and academic integrity policy.
The purpose of this platform is to help students understand academic concepts and to provide assistance when they are stuck on a problem. We cannot provide answers to assessments as it defeats the purpose of learning and does not encourage academic honesty or learning.
What we can do is help you understand the concepts and topics covered in the quiz so that you can confidently answer the questions on your own. Feel free to post any specific questions or problems you have from the quiz, and we will do our best to provide a step-by-step explanation to help you understand the concept or solve the problem.
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The ability to understand a person's needs or intentions in the workplace is demonstrating
personnel
perception
speaking
listening
Answers
Answer:
perception i do believe is the answer