A Java bus ticketing system can be implemented using at least 7 classes to manage passengers, buses, routes, tickets, and bookings.
A bus ticketing system in Java can be implemented using the following classes:
1. Passenger: Represents a passenger with attributes such as name, contact information, and booking history.
2. Bus: Represents a bus with attributes like bus number, capacity, and route information.
3. Route: Represents a bus route with details such as starting and ending points, distance, and duration.
4. Ticket: Represents a ticket with details like ticket number, passenger information, bus details, and fare.
5. Booking: Manages the booking process, including seat allocation, availability, and payment.
6. TicketManager: Handles ticket-related operations like issuing tickets, canceling tickets, and generating reports.
7. BusTicketingSystem: The main class that coordinates the interactions between the other classes and serves as an entry point for the application.
These classes work together to provide functionalities such as booking tickets, managing passenger information, maintaining bus schedules, and generating reports for the bus ticketing system.
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individual who consume diets which are adequate in have optimal muscle function, nerve conduction, fluid and ph balance, bone health, and are unlikely to have kidney stones
Individuals who consume diets that are adequate in essential nutrients and maintain proper fluid and pH balance are more likely to have optimal muscle function, nerve conduction, bone health, and are less likely to develop kidney stones. These nutrients play crucial roles in various bodily functions.
Here are some key nutrients and their importance:
Protein: Essential for muscle building and repair, as well as proper functioning of enzymes and hormones.
Calcium: Vital for strong bones and teeth, as well as muscle contraction and nerve function.
Magnesium: Required for energy production, muscle and nerve function, and maintenance of strong bones.
Potassium: Helps maintain proper fluid balance, nerve conduction, and muscle function.
Vitamin D: Facilitates the absorption of calcium and phosphorus, promoting bone health.
Vitamin B12: Necessary for nerve function and the production of red blood cells.
Fluids: Adequate hydration supports optimal muscle function, nutrient transport, and waste removal.
Balanced pH: Maintaining the body's pH within a healthy range supports enzyme activity and overall cell function.
By ensuring a well-rounded and balanced diet, individuals can meet their nutritional needs and support optimal health, including muscle function, nerve conduction, fluid and pH balance, and bone health. It is recommended to consult with a healthcare professional or registered dietitian for personalized dietary guidance based on specific health needs and goals.
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write a program that draws 20 horizontal, evenly spaced parallel lines of random length.
The path element HLineTo is used to create a horizontal line from the current position to a point in the supplied coordinates.
It is represented by the HLineTo class. This class is part of the javafx.s cene.shape package.
X The x coordinate of the spot from which a horizontal line is to be drawn.
This attribute must be set in order to draw a horizontal line in a path element. This may be accomplished by supplying it to the function Object() { [native code] } of this class during instantiation, as shown below.
new HLineTo(x); HLineTO hline = new HLineTo(x);
Alternatively, as illustrated below, you may use their corresponding setter methods.
setX(value); Path Element Horizontal Line Steps
In JavaFX, follow the instructions below to draw a horizontal line to a specified point from your present position.
Step 1: Make a Class
Make a Java class that inherits the Application class from the package javafx. application and implements its start() method as follows: follows.
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n order to avoid the possibility of r2 creating a false impression, virtually all software packages include adjusted r2. unlike r2, adjusted r2 explicitly accounts for what?
The adjusted R-squared is included in software packages to address the limitations of R-squared by accounting for the number of predictors in a regression model.
The adjusted R-squared is included in software packages to prevent the possibility of R-squared (R2) creating a false impression. Unlike R2, the adjusted R-squared explicitly accounts for the number of predictors or independent variables in a regression model. It is a modified version of R2 that takes into consideration the complexity of the model and the number of predictors used.
The adjusted R-squared adjusts for the degrees of freedom, which is the number of observations minus the number of predictors. This adjustment penalizes the use of additional predictors that may not significantly contribute to explaining the variation in the dependent variable. The adjusted R-squared value can range from negative infinity to 1, with higher values indicating a better fit of the model to the data.
By explicitly accounting for the number of predictors, the adjusted R-squared helps to prevent overfitting. Overfitting occurs when a model is too complex and performs well on the existing data but fails to generalize to new data. The adjusted R-squared provides a more conservative measure of the model's goodness of fit, taking into account the trade-off between model complexity and explanatory power.
In summary, the adjusted R-squared is included in software packages to address the limitations of R-squared by accounting for the number of predictors in a regression model. It helps to prevent the possibility of a false impression by providing a more reliable measure of the model's fit to the data.
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Please provide me a step by step and easy explanation as to why the following code is the solution to the prompt. Please be specific and showing examples would be much appreciated. Also, please be mindful of your work, since I have experience of receiving answers that seems like the "expert" didn't even read the question. Thank you.
Write a function, quickest_concat, that takes in a string and a list of words as arguments. The function should return the minimum number of words needed to build the string by concatenating words of the list.
You may use words of the list as many times as needed.
If it is impossible to construct the string, return -1.
def quickest_concat(s, words):
memo = {}
result = _quickest_concat(s, words, memo)
if result == float('inf'):
return -1
else:
return result
def _quickest_concat(s, words, memo):
if not s:
return 0
if s in memo:
return memo[s]
result = float('inf')
for w in words:
if s.startswith(w):
current = 1 + _quickest_concat(s[len(w):], words, memo)
result = min(result, current)
memo[s] = result
return result
To be more specific, I don't understand the purposes of memo, float('inf'), and min(), etc, in this function.
The use of "memo", "float('inf')", and "min()" in the provided code is to optimize the computation by storing intermediate results, handling special cases, and finding the minimum value respectively.
What is the purpose of "memo", "float('inf')", and "min()" in the given code?In the provided code, the variable "memo" is used as a memoization dictionary to store previously computed results. It helps avoid redundant computations and improves the efficiency of the function. By checking if a specific string "s" exists in the "memo" dictionary, the code determines whether the result for that string has already been computed and can be retrieved directly.
The value "float('inf')" is used as an initial value for the variable "result". It represents infinity and is used as a placeholder to compare and find the minimum number of words needed to construct the string. By setting the initial value to infinity, the code ensures that the first calculated result will be smaller and correctly updated.
The "min()" function is used to compare and find the minimum value among multiple calculated results. In each iteration of the loop, the variable "current" stores the number of words needed to construct the remaining part of the string after removing the matched prefix.
The "min()" function helps update the "result" variable with the minimum value obtained so far, ensuring that the function returns the minimum number of words required to build the string.
By utilizing memoization, setting an initial placeholder value, and finding the minimum value, the code optimizes the computation and provides the minimum number of words needed to construct the given string from the provided list of words.
Memoization, infinity as a placeholder value, and the min() function to understand their applications in optimizing algorithms and solving similar problems.
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Write a program using integers usernum and x as input, and output usernum divided by x three times.
Answer:
Hopefully This Will Help
Explanation:
If the input is:
2000
2
Then the output is:
1000 500 250
dumas, who has excellent mechanical aptitude, owns a computer with two hard drives. one drive is used for the operating system and the other drive is used for his personal files. he decides to install a third disk in a raid 1 configuration to protect the disk with his files against data loss. he is not too concerned about data loss on the disk with the operating system because he could easily reinstall the os, so that disk is not included in the raid configuration. when he is done, he powers up his computer, no error messages are displayed, yet he is distraught because all his data is lost. why would this happen?
He neglected to backup his data. All data on participating discs is destroyed when RAID is enabled. All of his data was gone due to this.
What is an HDD (hard disc drive)?An electro-mechanical data storage device known as a hard disc drive (HDD), hard disc, hard drive, or fixed disc employs magnetic storage to store and retrieve digital information using one or more rigid, quickly rotating discs (platters) coated with magnetic material.
Hard Drive's function?In contrast to volatile storage, such as RAM, a hard disc retains its data even when the power is turned off. Because of this, you may restart a computer, which turns off the HDD but keeps all the data accessible when it comes back on.
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One of the strong appeals of blockchain is that its distributed nature removes the need for a and that it is more immune to when compared to centralized ledgers.
network, data errors
None of these are correct
central authority, cyber-attacks
central currency, currency inflation
private key, manipulation
One of the strong appeals of blockchain is that its distributed nature removes the need for a central authority, and that it is more immune to cyber-attacks when compared to centralized ledgers.
Does blockchain distributed nature removes the need for a central authority?One of the strong appeals of blockchain technology is its distributed nature, which removes the need for a central authority. In traditional centralized systems, there is typically a central authority or intermediary that manages and controls the transactions or data. With blockchain, the transactions and data are distributed across multiple participants in a decentralized network.
This removal of a central authority has several advantages. First, it eliminates the need for trust in a single entity. Instead, trust is placed in the consensus mechanism and cryptographic algorithms that govern the blockchain network. This decentralization enhances transparency and security by making it difficult for any single entity to manipulate or control the system.
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Can someone help me?
5. The command to add new layout to the slide is present in
tab.
Answer:
In the navigation pane, click the slide master. The slide master is the top slide in the navigation pane. Click the Slide Master tab, and then under Slide Master, click New Layout. PowerPoint inserts a new slide layout with placeholders for a title and footers.
any computer that stores hypermedia documents and makes them available to other computers on the internet is called a . group of answer choices a. client b. server c. station d. domain
Option B is correct. A computer program or apparatus that offers a service to another computer program and its user, also known as the client, is referred to as a server.
The term "client" refers to any computer that keeps hypermedia documents and makes them accessible to other computers over the Internet. Anywhere in the world can be used to store hypermedia documents. The Advances Research Projects Agency Network is the owner of the Internet (ARPANET). The Domain Name System (DNS) protocol converts domain names to IP addresses when data is moved between networks. DNS servers are servers that run this protocol and keep a list of computer and website addresses as well as the IP addresses that go with them.
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The concept of "space" on a computer usually refers to the _____.
amount of total primary memory
amount of software loaded
number of slots open on the motherboard
storage available on the hard drive
Answer:
Storage available on the hard drive
Explanation:
Edge 2021
The concept of "space" on a computer usually refers to the storage available on the hard drive. Then the correct option is D.
What is the concept of space in computers?Desktop space is usually denoted by the term "storage capacity." It could be used, for instance, in the sentence "I ran out of storage space on computer hard disc." It refers to a chamber used for stable or non-volatile information storage in this application.
Commonly referred to as "Space," unoccupied or vacant space in a hard drive is identical to unrestricted or unoccupied space in a hard disc. Space refers to disc space when describing the capacity or accessible place of a hard disk and other such storage devices.
On a system, "space" often refers to the storage capacity of the hard disc. Then the correct option is D.
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Which ethernet specification would you be running if you needed to make a connection of 10 gbps over a distance of 5 kilometers?
To achieve a 10 Gbps connection over a distance of 5 kilometers, you would typically need to use 10GBASE-LR or 10GBASE-ER Ethernet specifications.
We have to give that,
To find ethernet specification would you be running if you needed to make a connection of 10 Gbps over a distance of 5 kilometers
Now,
To achieve a 10 Gbps connection over a distance of 5 kilometers, you would typically need to use 10GBASE-LR or 10GBASE-ER Ethernet specifications.
The LR stands for Long Reach and the ER stands for Extended Reach. Both specifications use single-mode fiber optic cables, which can transmit data over longer distances than copper cables.
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Read the following conditions:
Scout sold fewer than 20 boxes of cookies
Scout missed more than one meeting
Which of the following statements tests if one of the conditions has been met?
if(boxes < 20 and meetingsMissed > 1):
if(boxes < 20 and meetingsMissed >= 1):
if(boxes < 20 or meetingsMissed >= 1):
if(boxes < 20 or meetingsMissed > 1):
The 'and', 'or' operators are used to test conditions which yields a set of boolean (True, False) values. Hence, the required statement is if(boxes < 20 or meetingsMissed > 1):
The 'and' operator requires that the two conditions are met in other to to yield a true value. However, the 'or' operator requires that only one of the conditions is met in other to yield a true Value.
Since, only either conditions is required, the we use the 'or' operator ;
Fewer than 20 boxes : boxes < 20Missed more than 1 meeting : meetingsMissed > 1Therefore, the required statement is ;
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Which file type should be used if you want to create a file which automatically shows the presentation as a slide show?
There are a number of ways to make a presentation more engaging and dynamic, and one of the most effective is to turn it into a slideshow. If you want to create a file that automatically displays your presentation as a slideshow, the best file format to use is PowerPoint (.ppt or .pptx).
PowerPoint is a powerful and versatile presentation software that allows you to create dynamic, multimedia-rich presentations that are perfect for delivering information to an audience. With PowerPoint, you can easily create slideshows that include text, images, charts, graphs, and other types of multimedia elements, and you can also add animations, transitions, and other special effects to make your presentation more engaging and interactive. To make sure that your presentation is automatically displayed as a slideshow when it is opened, you will need to set up the slideshow options in PowerPoint.
This will allow you to choose the slide show settings that best fit your needs, such as how long each slide should be displayed, whether to use a mouse or keyboard to control the presentation, and so on. Overall, PowerPoint is an excellent choice for creating dynamic and engaging presentations that are sure to capture your audience's attention.
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What was the first computer programming language?
Answer:
Algorithm for the Analytical Engine” is the first computer language ever created. Its purpose was to help Charles Babbage with Bernoulli number computations and Ada designed it in 18
Explanation:
hope this helps (≧∇≦)/
the 2.5 size hard drive is typically used in devices such as mp3 players
a. true b. false
The statement "the 2.5 size hard drive is typically used in devices such as MP3 players" is false.
While 2.5-inch hard drives are commonly used in smaller form factor devices like laptops and portable external hard drives, they are not typically used in MP3 players. MP3 players often utilize flash-based storage, such as solid-state drives (SSDs) or embedded memory chips, which are smaller, lighter, and more suitable for portable music devices. These flash-based storage solutions offer better shock resistance, lower power consumption, and faster access times compared to traditional hard disk drives (HDDs).
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Write a program in java to input N numbers from the user in a Single Dimensional Array .Now, display only those numbers that are palindrome
Using the knowledge of computational language in JAVA it is possible to write a code that input N numbers from the user in a Single Dimensional Array .
Writting the code:class GFG {
// Function to reverse a number n
static int reverse(int n)
{
int d = 0, s = 0;
while (n > 0) {
d = n % 10;
s = s * 10 + d;
n = n / 10;
}
return s;
}
// Function to check if a number n is
// palindrome
static boolean isPalin(int n)
{
// If n is equal to the reverse of n
// it is a palindrome
return n == reverse(n);
}
// Function to calculate sum of all array
// elements which are palindrome
static int sumOfArray(int[] arr, int n)
{
int s = 0;
for (int i = 0; i < n; i++) {
if ((arr[i] > 10) && isPalin(arr[i])) {
// summation of all palindrome numbers
// present in array
s += arr[i];
}
}
return s;
}
// Driver Code
public static void main(String[] args)
{
int n = 6;
int[] arr = { 12, 313, 11, 44, 9, 1 };
System.out.println(sumOfArray(arr, n));
}
}
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Identify the data type of each variable as either int, float, string, list, or boolean.
Data type of each variable is:
i-int
j-string
k-string
m-boolean
n-list
p-float
q-integer
r- boolean
s-int
t- string
u-string
v- float
w-string
What are data types?Data is categorized into different types by a data type, which informs the compiler or interpreter of the programmer's intended usage of the data. Numerous data types, including integer, real, character or string, and Boolean, are supported by the majority of programming languages. Today, binary data transfer is the most widely used type of data transport for all devices.
A collection of 0s and 1s arranged in a precise order makes up a binary kind of data. Every piece of information is translated to binary form and used as needed. Another set of binary data is connected to this binary form to define the type of data being carried since this binary form does not specify what it is carrying. Variables are specific storage units used in computer programming that hold the data needed to carry out tasks.
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ProjectStem 7.5 practice
Use the function written in the last lesson to calculate the gold medalists’ average award money for all of their gold medals. Define another function in your program to calculate the average.
Your program should then output the average award money, including the decimal place. Your program should use a total of two functions. You may assume that the user will provide valid inputs.
Sample Run
Enter Gold Medals Won: 3
How many dollars were you sponsored in total?: 20000
Your prize money is: 245000
Your average award money per gold medal was 81666.6666667
Below is Python program that calculates the average award money per gold medal using two functions:
python
def calculate_average_award(total_award_money, gold_medals):
"""Calculates the average award money per gold medal"""
return total_award_money / gold_medals
def main():
"""Main function to get user input and output the result"""
gold_medals = int(input("Enter Gold Medals Won: "))
total_award_money = float(input("How many dollars were you sponsored in total?: "))
prize_money = float(input("Your prize money is: "))
average_award_money = calculate_average_award(prize_money + total_award_money, gold_medals)
print("Your average award money per gold medal was", round(average_award_money, 10))
if __name__ == "__main__":
main()
Sample run:
yaml
Enter Gold Medals Won: 3
How many dollars were you sponsored in total?: 20000
Your prize money is: 245000
Your average award money per gold medal was 81666.6666666667
What is the Python program about?The calculate_average_award function takes two arguments, the total award money and the number of gold medals, and returns the average award money per gold medal.
The main function gets the user input for the number of gold medals, the total award money, and the prize money. It then calculates the total award money for all gold medals by adding the total award money and the prize money, and passes the values to the calculate_average_award function to get the average award money per gold medal.
Therefore, The program then outputs the result using the print function, rounding the value to 10 decimal places using the round function.
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if you want to monitor the average cpu usage of your ec2 instances, which aws service should you use
If you want to monitor the average CPU usage of your EC2 instances, then you should use the Amazon CloudWatch AWS service.
What is Amazon CloudWatch?Amazon CloudWatch is a unified monitoring service for resources and applications running on the AWS Cloud. With Amazon CloudWatch, you can collect and access all your monitoring data in one place, monitor resource usage, as well as app performance metrics.
CloudWatch collects data in the form of logs, metrics, and events, which allow you to monitor your AWS resources, applications, and services.
Amazon CloudWatch can help you monitor and analyze log data, set alarms, and react to changes in your AWS resources.
CloudWatch is integrated with most AWS services and can handle custom metrics as well as predefined metrics. With CloudWatch, you can monitor average CPU usage, network usage, and much more.
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Carlos is using the software development life cycle to create a new app. He has finished coding and is ready to see the output it produces. Which stage of the software development life cycle is Carlos ready for next? Coding Design Maintenance Testing
Answer:
Testing
Explanation:
From the question, we understand that Carlos just finished the coding of the app.
In software development life cycle, the coding phase is where Carlos is expected to make use of his choice of programming language to design the app;
This stage is an integral part of the implementation process and according to the question, the coding has been completed;
The next phase or stage after the implementation phase is testing.
Hence, Carlos is getting ready to test the app.
Answer:
Testing I took the test I definetly testing <3
you have been asked to recommend a printer that will be used in a travel agency. the printer will be used to print airline tickets. each ticket has four pages (multi-part carbon-based forms), and the same information must show up on all four pages with a single pass of the printer. which printer type would you recommend? ink jet
Answer: Impact!
Explanation: Hope this helps.
\13) what is the significance of a subnet mask? (select one) a) not mandatory for ip assignment b) hides the subnet id c) hides the host id d) helps identify the network and host part of the ip address
An IP address is split in half using a subnet mask. The host (computer) is identified by one component, and the network to which it belongs is identified by the other.
The network ID component of a 32-bit IP address is identified by a subnet mask, which is a four-octet integer. All class-based networks, including those that are not subnetted, must have a subnet mask. The subnet mask separates the IP address into host and network addresses, indicating which portions belong to the device and which portions belong to the network. The network and host parts of an IP address are identified by the subnet mask. Both hosts and routers utilise it to detect if a target IP address is local or remote and to choose the best path for packet routing.
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How many bits do we have in the MAC address of an Ethernet card?
a technician uses the ping command. what is the technician testing?
The technician is using the ping command to test network connectivity and determine the round-trip time and responsiveness of a target device.
The technician is using the ping command to test the connectivity between their computer and a target device or server within a network. By sending a series of small data packets to the target device, the technician can determine the round-trip time (RTT) it takes for the packets to reach the destination and return to their computer.
This helps the technician assess the network's speed and latency. Additionally, the ping command reveals if the target device is reachable and responsive.
If the target device does not respond to the ping, it could indicate a network issue, such as a faulty connection or a misconfigured firewall. Overall, the ping command is a useful tool for troubleshooting network connectivity problems.
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In a point-to-point single network, there is always thAn IP packet may include a(n) ________.e same number of physical and data links.
In a point-to-point single network, there is always the same number of physical and data links. An IP packet may include a(n) payload.
A point-to-point network is a network topology that allows for direct communication between two network nodes. When there is just one sender and one receiver involved, this topology is known as point-to-point. Because of its restricted size, this topology is more efficient than mesh and ring topologies, and it is utilized in a variety of network implementations.In the point-to-point network, there is always the same number of physical and data links. This topology is ideal for networks with just a few network nodes, as it is cost-effective and simple to set up.The payload is included in an IP packet.
It is the data section of a packet that is not part of the packet header and is sent by the source to the destination. It consists of the user data being transported as well as some control data. The payload size is constantly fluctuating and is not fixed. It could be anything from a few bytes to several thousand bytes.
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Create a concept for a new social media service based on new technologies. The service must include functions or features that require using rich media and geolocation or some other location-sharing technology that you have researched.
Submit your plan using both text and visual elements (graphics or drawings).
These are some key points you need to cover in your concept document:
What type of social media service is it?
What is the purpose of the service?
List the functions that the service provides.
List the features that the service provides
What makes the service unique?
Who is the target audience?
What type of layout did you use for the service?
Answer:... what are the answers u got
Explanation:
What are the types of connection we can set up?
Answer:
WiFi Hotspots
Dial-Up
Broadband
DSL
Cable
Satellite
ISDN
Which of the following best describes a variable?
A. A named area in computer memory that holds value
B. A Python statement that has random effects
C. A place where you store a value that can never change
D. None of these
Answer:
A. A named area in computer memory that holds value
Explanation:
A variable is a way of assigning an area in a computer memory that can hold values like text, number and characters. When using variables, you must specify its type. Specifying its type determines the type of data the variable can hold, how it is handled and its location in the computer memory.
Variables hold information that is stored in the computer memory and is labeled by a name.
The statement among the options that best describes a variable is;
A: A named area in computer memory that holds value
VariablesThe correct answer to this question is option A. This is because a variable is a method that we use to assign an area in a computer memory that is capable of holding inputs such as text, number and other characters.
Now, it is pertinent to note that you must specify the type of variable used. This is done to determine the type of data that the variable can hold, and where it is located in the computer memory.In conclusion, the information that Variables hold in the computer memory are usually labeled by a name.
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Who is your favorite Champion from Breath of the Wild?
Options: Mipha, Urbosa, Daruk, Revali, and Link.
Zelda is not considered a Champion, however, because she is the one who lead them.
Answer:
well heck i like Urbosa
Explanation:
She is a strong, smart lady lol hehehe! ;)
urbosa i like her so much bcuse i fel like it was the hardest for me the thunderblight ganon fight was so hard i tried like 50 times and i like her because of the history behing her villaig and how you were supposed to get in