What will happen if you attempt to create a scanner for a nonexistent file? what will happen if you attempt to create a printwriter for an existing file?

Answers

Answer 1

If you attempt to create a Scanner for a nonexistent file, an exception will occur. If you attempt to create a PrintWriter for an existing file, the contents of the existing file will be gone.

The question above is part of Java programming language. Java is a programming language that may be used on a variety of computers, including gaming consoles. The current language was initially created by James Gosling when he first joined Sun Microsystems, which at the time was a branch of Oracle and was founded in 1995.

This language adopts a lot of syntax found in C and C++ but with a simpler object model syntax and minimal support for lower-level routines.

Learn more about Java Programming https://brainly.com/question/2266606

#SPJ4


Related Questions

Name: Saman
Age: Thirteen years
Height: One point five meters
Address: 112A, Galle Road, Mount Lavinia.


Assign the above details to following four variables with the correct data type. For example, age should be a number with no decimal points.

Answers

The representation of given details in the category of four variables with the correct data type is as follows:

Name: Saman, it is the variable depending on the alphabet.Age: Thirteen years, it should be numerical with no decimal points.Height: One point five meters, it should be numerical with the utilization of decimal points. Address: 112A, Galle Road, Mount Lavinia, it should undertake alphanumerical variables.

What is meant by Variables?

Variables may be defined as any factor or thing that can significantly be altered or modified with respect to certain attributes. In a more simple sense, they are any factors that can be manipulated, regulated, or estimated in an experiment.

Therefore, the representation of given details in the category of four variables with the correct data type is well described above.

To learn more about Variables, refer to the link:

https://brainly.com/question/26998752

#SPJ1

Two columns of a relational table can have the same names.

a. True

b. False

Answers

Answer: True!

Explanation:

Two columns of a relational table can have the same names. If one of two identical relational tables has the last column moved to the first place, those two relational tables will no longer be  identical

Which type of port carries both pcie and displayport video signals on the same cable?

Answers

The type of port caries that is known to carry both PCIE and displayport video signals on the same cable is The Thunderbolt port.

What is the function of the Thunderbolt port?

The Thunderbolt port is known to be a port that tends to combine that of the  PCI Express (PCIe) as well as the DisplayPort signals into what we call one interface.

Note that the Thunderbolt port can also help to give DC power as they are used a lot for external displays.

Hence, The type of port caries that is known to carry both PCIE and displayport video signals on the same cable is The Thunderbolt port.

Learn more about port from

https://brainly.com/question/4804932

#SPJ1

1.1.6 Name a device that uses a control knob to set the level of something

Answers

Answer:

ps5 controller

Explanation:

R15. list several popular messaging apps. do they use the same protocols as sms?

Answers

Learn more about messages:

https://brainly.com/question/26955893

#SPJ4


If this statement is executed many times, about what percentage of times does it display true?
DISPLAY RANDOM 1, 5 = 5 Or random 1, 5 = 9
40%
100%
60%
20%

Answers

Answer:

60% C

Explanation:

The statement is executed many times, the percentage of times does it display true is 60%. Hence option c is correct.

What is time?

Time is defined as the ongoing flow of being and happening in what seems to be an irreversible succession from the past through the present and into the future.

It is also defined as a measurement of constant, continuous change in our surroundings, typically seen from a certain angle.

A uniform framework for time-reckoning and dating that enables anyone to date any instant in the past, present, or future is necessary for standardizing temporal reference.

It also requires a common system of time units that allows people to measure the passage of time in the same way.

Even while there isn't a direct link between time and energy, there are surely numerous other connections.

Thus, the statement is executed many times, the percentage of times does it display true is 60%. Hence option c is correct.

To learn more about time, refer to the link below:

https://brainly.com/question/28050940

#SPJ2

Write a program noonsnooze.java that takes an integer command-line argument snooze and prints the time of day (using a 12-hour clock) that is snooze minutes after 12:00pm (noon).

Answers

A program noonsnooze.java that takes an integer command-line argument snooze and prints the time of day (using a 12-hour clock) that is snooze minutes after 12:00pm (noon) is given below:

The Code

public class NoonSnooze

{

public static void main(String[] args)

{

 int snooze = Integer.parseInt(args[0]);

 int hour = 12 + (snooze / 60);

 int minutes = 00 + snooze % 60;

 

 

 String ampm;

 if(hour%24 < 12) ampm="pm";

 else    ampm="am";

 

 hour=hour%12;

 if (hour==00) hour=12;

 

 String time = hour + ":" + minutes + " " +  ampm;

 System.out.println(time);

 

}

}

Read more about programming here:

https://brainly.com/question/23275071

#SPJ1

The focus and goal of ______ is the determination of the most effective means of translating business processes into a physical system, including hardware and software.

Answers

The focus and goal of physical design is the determination of the most effective means of translating business processes into a physical system, including hardware and software.

What is SDLC?

SDLC is an abbreviation for system development life cycle and it can be defined as a strategic traditional methodology that defines the key steps, phases, or stages for the design, development, and implementation of high quality systems.

In Computer technology, there are seven (7) phases involved in the development of a system and these include the following;

PlanningAnalysisDesignDevelopment (coding)TestingDeploymentMaintenance

In this context, we can reasonably infer and logically deduce that the focus and goal of physical design is to determine the most effective means to translate all business processes into a physical system, including hardware and software.

Read more on system development here: https://brainly.com/question/2587761

#SPJ1

Complete Question:

The focus and goal of ______ is the determination of the most effective means of translating business processes into a physical system, including hardware and software.

A) logical design

B) a flowchart

C) physical design

D) a workflow chart

What is the big o for deleting an item from a linked list assuming that you know the location of the item to delete?

Answers

The big o for deleting an item from a linked list assuming that you know the location of the item to delete is O(1).

What is the big O of a linked list?

Big O Notation Arrays when we look at academic literature for a given set of arrays it is said to have a constant O(1)  for finding as well as for Linked Lists it is known to be called the linear O(n).

Note that an array is one that can only takes a single multiplication as well as addition and as such, The big o for deleting an item from a linked list assuming that you know the location of the item to delete is O(1).

Learn more about Arrays from

https://brainly.com/question/28061186
#SPJ1

you are assembling components in a network rack and need a device that connects three network segments. which of the following devices will meet your networking needs?

Answers

The Bridge devices that will meet your networking needs in regards to the three network segment such as:

RoutersSwitches Firewalls

What device  can be used to connect network segments?

The tool Bridges is known to be a term that connote that which is used to link two or more hosts as well as two or more network segments together.

Note that the basic function of bridges in regards to network architecture is said to be the role of saving  and forwarding any frames between the different  kinds of segments that the bridge links up.

They make use of the  hardware Media Access Control (MAC) for moving frame.

Therefore, The Bridge devices that will meet your networking needs in regards to the three network segment such as:

RoutersSwitches Firewalls

Learn more about network segment from

https://brainly.com/question/7181203
#SPJ1

a control unit consists of a central processing unit (cpu) with an arithmetic logic unit (alu) and registers.

Answers

A control unit consists of a central processing unit (CPU) with an arithmetic logic unit (ALU) and registers: True.

What is a CPU?

CPU is an abbreviation for central processing unit and it can be defined as the main components of a computer because it acts as the “brain” of a computer and does all the processing, arithmetic calculations, and logical computation (control).

What is a control unit?

A control unit (CU) can be defined as a component of a computer's central processing unit (CPU) that is designed and developed to direct the operation of the processor such as processing, arithmetic calculations, and logical computation (control).

In this context, we can reasonably infer and logically deduce that a control unit (CU) typically consists of a central processing unit (CPU) with an arithmetic logic unit (ALU) and then registers.

Read more on control unit here: brainly.com/question/15607873

#SPJ1

Complete Question:

A control unit consists of a central processing unit (CPU) with an arithmetic logic unit (ALU) and registers. True or False?

The iso 27014:2013 standard promotes five governance processes, which should be adopted by the organization's executive management and its consultant. ____________

Answers

The iso 27014:2013 standard promotes five governance processes, which should be adopted by the organization's executive management and its consultant is a false statement.

What is governance processes?

The term Governance processes is known to be one that was defined by the institute of Internal Auditors, as any kind of  procedures that are often used  by representatives of an firm's stakeholders that helps to give a kind of oversight of risk as well as  control.

Therefore, based on the above, The iso 27014:2013 standard promotes five governance processes, which should be adopted by the organization's executive management and its consultant is a false statement.

Learn more about governance from

https://brainly.com/question/18186665
#SPJ1

The iso 27014:2013 standard promotes five governance processes, which should be adopted by the organization's executive management and its consultant. True or false

When apple created the ipod, it shifted its focus from computers to consumer electronics, demonstrating teece's concept of?

Answers

When apple created the ipod, it shifted its focus from computers to consumer electronics, demonstrating Teece's concept of transforming.

Check more about Concept transformation below.

What is Concept transformation?

There are different kinds of modern day innovations. The term transformation is known to be a term that connote a form of dramatic alteration in form as well as in appearance.

Note that a very important scenario like getting your driver's license, developing an application, going to college, is one that brings about a radical change.

Therefore, based on the above, when apple created the ipod, it shifted its focus from computers to consumer electronics, demonstrating Teece's concept of transforming.

Learn more about consumer electronics from

https://brainly.com/question/23237340

#SPJ1

help me and u will get 100 points and brainliest


The most successful videogames are those that have been thoughtfully and carefully developed using the iterative process. You have likely used the iterative process in class assignments, sports and recreational endeavors, or at home. Identify one example of how you have used the iterative process.

Answers

Answer: A typical illustration of an iterative process is schooling. Every time a student takes a class, they go through another iteration process. Trial and error are used by students when they are studying because it enables them to identify the learning strategies that are most effective for them. The process of experimenting with various methods and evaluating the outcomes in terms of the grade's students earn leads to the discovery of effective study techniques. Students can use this technique to advance toward graduation while learning about how they learn.

Explanation:

An example is school/schooling hope it works for u!

In order to authenticate user accounts against ad, what must be done to the computer first?

Answers

Join the user account to the domain is the first step to authenticate user accounts against ad. This question is part of directory services.

A database used to store and maintain data about users and resources is referred to as a directory service. In addition to storing data including usernames, passwords, user preferences, information about devices, and more, directory services are sometimes referred to as directories, user stores, identity stores, or LDAP Directory.

Directory services are used by network and system administrators to register users, manage access rights, and track and manage user access to applications and infrastructure resources.

When a user accesses an application, for instance, that application may make use of the directory service to confirm that the user is authorized and has the necessary permissions to access and use that application.

Learn more about protocol to access directory https://brainly.com/question/10536810?

#SPJ4

Cron only allows the user to create one time tasks. group of answer choices
a. true
b. false

Answers

The given statement that is Cron only allows the user to create one time tasks is true.

On Unix-like operating systems, a job scheduler is the command-line tool cron. Cron is a tool used by those who set up and maintain software systems to plan tasks, sometimes referred to as cron jobs, to run on a regular basis at predetermined times, dates, or intervals.

The term Cron, a clock daemon, comes from the Greek word Chronos, which means time. It allows users to programmatically execute instructions, scripts (a collection of commands), or programmes at predetermined intervals.

A persistent process that runs instructions at predetermined times and dates is the cron daemon. This can be used to schedule tasks that are either one-time occurrences or ongoing duties. Use the at or batch command with cron to schedule one-time tasks.

Learn more about cron:

https://brainly.com/question/28283739

#SPJ4

Should the government encourage people to own their own homes, even if they have to go into debt to do that?

Answers

Answer:

Yes yes yes yes yes yes yes yes yes tes

Some problems are better solved by a computer and some are better solved by humans. How do you know when a problem should be solved by a computer or by a person? In what cases might humans need to collaborate with computers to solve a problem?

Answers

The way a person can know if a problem should be solved by a computer is when the problem is complex and when the volume is time consuming  or by a person if the problem is small and easy as well as not much.

How do computers help humans solve problems?

Computers is known to be a tool or tech that can be be use to solve problems by carryout billions of operations per second. It is known to be a machine that makes our work easy and fast.

Note that it helps by breaking down all of the problems into easy to know steps and as such based on the above, one can say that The way a person can know if a problem should be solved by a computer is when the problem is complex and when the volume is time consuming  or by a person if the problem is small and easy as well as not much.

Learn more about Computers  from

https://brainly.com/question/24540334

#SPJ1

What is the server in a client-server network? multiple choice cloud storage space wi-fi system computer hardware fiber modem

Answers

The option that is known to be a server in a client-server network is known to be  called computer hardware.

Check more about client server below

What is the server in a client-server network?

In client-server computing, there is a kind of centralized communications model and this is known to be the server.

It is one that serves as the central node and its duties is to help communicates with other of client nodes.

Note that a key advantage of the client-server relationship more than the peer-to-peer relationship is that it is one that has the ability to handle a lot of  data as well as applications in one key or centralized server.

Therefore, The option that is known to be a server in a client-server network is known to be called computer hardware.

Learn more about client-server network from

https://brainly.com/question/24137718

#SPJ1

An operating system uses available storage space on a startup drive for _____.

Answers

An operating system uses available storage space on a startup drive for:

A. storing programs

B. virtual memory

C. storing apps

What is a operating system in a computer?

An operating system (OS) is known to be a kind of a software of a program that is known for after been set on or loaded into the computer by a boot program, it helps to handle all of different application programs that is present in a computer.

Note that based on the above, one can say that An operating system uses available storage space on a startup drive for:

A. storing programs

B. virtual memory

C. storing apps

Learn more about operating system from

https://brainly.com/question/22811693

#SPJ1

An operating system uses available storage space on a startup drive for _____. Select all that apply.

A. storing programs

B. virtual memory

C. storing apps

D. virtual reality

The first generation of computers used microprocessors. false true

Answers

Answer:

False.

Explanation:

The first generation of computers used something called vacuum tubes. Microprocessors weren't used for many years later until the fourth generation.

What are the two primary hardware components in a computer? how do they interact?

Answers

Answer:

the main memory and the CPU.

Explanation:

Main memory holds the currently active programs and data. The CPU retrieves individual program instructions from the main memory, one at a time executes them.

please make my answer as brainelist

Many active elements fire at almost the same time in phased array scanner.
a. true
b. false

Answers

The statement that is Many active elements fire at almost the same time in phased array scanner is false because there is only one active element in a mechanical scanner.

Each element has a width between 100 and 200, corresponding to a wavelength's worth. False or True To produce a two-dimensional image, phased array transducer devices in all applications direct ultrasonic pulses in numerous directions.

An electronic component that provides power to a circuit is called an active component. Electron flow can be electrically controlled by active components (i.e. the flow of charge). At least one active component is required in every electrical circuit.

Because it will have internal energy at the moment of manufacture, a diode is an active element. Therefore, active elements are those that have internal energy at the moment of manufacturing, such as all types of sources, diodes, transistors, and SCR family, among others.

Learn more about active elements:

https://brainly.com/question/3875001

#SPJ4

In a conditional iteration loop, such as a while loop, what is a sentinel value?

Answers

In a conditional iteration loop, the sentinel value is option A. A sentinel value is a special value provided by the user to terminate the loop.

What is the purpose of a sentinel value?

The sentinel value is known to be a kind of an in-band data that tends to create or  make it possible to find the end of the data if there are no out-of-band data is given.

Note that the sentinel value stands for  the end of a data set, but it is known to be never a  part of the data.

Therefore, In a conditional iteration loop, the sentinel value is option A. A sentinel value is a special value provided by the user to terminate the loop.

Learn more about sentinel value from

https://brainly.com/question/15711433

#SPJ1

In a conditional iteration loop, such as a while loop, what is a sentinel value?

A. A sentinel value is a special value provided by the user to terminate the loop.

B. A sentinel value is a special value provided by the user to restart the loop.

C. A sentinel value is a user-provided input value that proceeds to the next loop.

D. A sentinel value is a user-provided input value that changes the structure of the loop.

a software developer is testing an accounting application on a windows 10 desktop computer and needs to perform testing of this same application on windows 7, windows 8.1, and linux operating systems. due to company policy, the developer must use her existing computer and must be disconnected from the company network while performing these tests.

Answers

To solve that problem, the software developer needs to install a Type 2 hypervisor and create the Windows VMs and a Linux VM. This is because by using virtual machine, we can try to testing different operating system and no need to connect to a network since it can connect from one device.

To execute applications and run programs, a virtual machine (VM) uses software as opposed to a physical computer. One or more virtual "guest" machines are running on a physical "host" machine. Each virtual machine has its own operating system and functions independently of the others even though they are all running on the same host. This implies that a physical PC may, for instance, host a virtual MacOS system.

Learn more about virtual machine https://brainly.com/question/28271597

#SPJ4

The process known as the ________ cycle is used by the cpu to execute instructions in a program. decode-fetch-execute decode-execute-fetch fetch-decode-execute fetch-execute-decode

Answers

Answer: fetch-decode-execute

Explanation:
When a CPU needs to execute an instruction, it must first fetch what that instruction is to prepare the proper registers and flags for use, then it needs to decode the data to know where to manage the data needed for the instruction in the registers and on the stack, and then finally it can execute the instruction. Not mentioned here is what to do after would be to store that resulting information back into memory.

Cheers.

The six step blueprint for process analysis begins with? a. identify opportunity b. document process c. define scope d. redesign process

Answers

The six step blueprint for process analysis begins with option a. identify opportunity.

What are the 6 steps involved in business analysis process?

The six step blueprint for process analysis are:

1) Enterprise analysis 2) Requirement planning and Management 3) Requirement Elicitation 4) Requirement analysis and Documentation 5) Requirement Communication 6) Solution Evolution and Validation.

Note that business process analysis (BPA) is seen as a kind of an approach that is known to be used in examining  business operation processes.

Hence, The six step blueprint for process analysis begins with option a. identify opportunity.

Learn more about opportunity from

https://brainly.com/question/1549591

#SPJ1

Compare with datagram and virtual circuit packet switching networks. what are the differences and what are the advantages and disadvantages?

Answers

Datagram packet switching networks and virtual circuit packet switching networks are two different types of packet switching networks. Both have their own set of advantages and disadvantages.

Datagram packet switching networks are more flexible because each packet can be routed independently. This means that if one packet is lost, the others can still be delivered. However, this flexibility comes at a cost - datagram packet switching networks are less efficient because each packet has to be processed individually.

Virtual circuit packet switching networks are more efficient because the route for each packet is determined in advance. This means that the packets can be routed more quickly and efficiently. However, this comes at the cost of flexibility - if one packet is lost, the entire virtual circuit may need to be re-established.

Learn more on Datagram packet switching networks and virtual circuit packet switching networks here:

https://brainly.com/question/25776156

#SPJ4

_____ computing refers to widespread applications and deployment of devices that know users, their devices, and their locations and serve as intelligent assistants to businesses and individuals.

Answers

A context aware computing refers to widespread applications and deployment of devices that know users, their devices, and their locations and serve as intelligent assistants to businesses and individuals.

What do you mean by context-aware computing?

Context-aware computing is known to be a form of computing where there is found to be a  form of situational as well as environmental information in regards to people, places as well as things that are said to be used to expect immediate needs and quick offers and experiences.

Therefore, based on the above, A context aware computing refers to widespread applications and deployment of devices that know users, their devices, and their locations and serve as intelligent assistants to businesses and individuals.

Learn more about context aware computing from

https://brainly.com/question/14012993
#SPJ1

the complexity and challenges associated with planning for and executing an operation include: (select all that apply)

Answers

The complexity and challenges associated with planning for and executing an operation include:

intergovernmentalinteragencymilitarymultinational partners

This is because when making plans for the execution of an operation, it is important to include different complexities such as intergovernmental agencies, the military, and others.

What is Planning?

This refers to the situation where a thing is undertaken in order to achieve a desired goal.

Hence, we can see that The complexity and challenges associated with planning for and executing an operation include:

intergovernmentalinteragencymilitarymultinational partners

This is because when making plans for the execution of an operation, it is important to include different complexities such as intergovernmental agencies, the military, and others.

Read more about planning here:

https://brainly.com/question/24864915

#SPJ1

Other Questions
What's the answer to this question Match each term to its definition.MatchTermRelative clauseRestrictive clauseNonrestrictive clauseQuestion 16 (True/Fals WorthDefinitionA) A clause not set apart by commas, necessary to the meaning of thesentenceB) A clause set apart by commas, not necessary to the meaning of thesentenceC) A clause that adds details within a sentence with the use of a relativepronoun Unexpected events such as complications, hospital acquired infections, and __________must be included in the medical record. To make five cups of lemonade you mix three cups of water with two cups of lemonjuice. If there are sixteen cups in a gallon, how many cups of lemon juice are needed tomake ten gallons of lemonade? A: 16 B: 32 C: 40 D: 48 E: 64 (I know the answer is E but I don't know how to get it) five years ago, john was twice peters age. peter is now x years old and john is now y years old.a) write an equation to illustrate the relation between John's age and Peter's age five years age. b) this year, the total of their ages is 28 years old. use this information to determine John's age in three years.c) use substitution to justify that your answers to part (a) are correct.please help The sum of first five prime numbers is the 12-lead ecg confirms a narrow-complex supraventricular tachycardia with a regular rhythm. based on mr. van essens current condition, what is the appropriate next action? when considering decision alternatives, both relevant and irrelevant costs are included when using the Prokaryotic cells do not have a nucleus. However, they do have an area within the cell where their DNA is located. What do we call this area of a prokaryotic cell?A: NucleoidB: Mitochandria Read the following statement carefully:Robin was accused of holding a clerk at gunpoint and stealing from his store. At the time of the arrest, she claimed she was not the one who committed the crime. Shehad a gun license and was found with merchandise without a receipt. However, she was not seen in the store's video footage from that day. A gun was never found, butinvestigators did ask about her family's citizenship. She quickly confessed to the robbery.Why is this confession unreliable?O Robin was a habitual liar.O Security footage is not reliable.Women cannot own a gun license.O Robin feared for her family's safety. he sum of internal energy and the term prho, where p represents pressure and rho represents density, gives the . How are micronutrients classified?A. by their ability to be dissolved in fatsB. by whether they are organic or notC. by their levels of toxic substancesD. by whether they are saturated or not the radius of a aluminum atom is 143 pm. how many aluminum atoms would have to be laid side by side to span a distance of 4.23 mm? atoms How Does Tai Chi Calm Down The Sympathetic Nervous System? 125 words. when constructing a congruent line segment does the ray needed for the construation have to be shorter than the line segment Which built-in data type is the most precise type for storing monetary values? a. double b. single c. money d. decimal Which phase of the project life cycle happens in conjunction with project execution? a researcher wants to compare math performance scores of high school juniors who are located in various urban areas. the researcher will most likely conduct the research by using which descriptive research method? a. naturalistic observation b. longitudinal study without individuals and households that are willing and able to buy a good, the side of the market cannot exist. How did foreign cultures influence Europeans during the columbian exchange?