write java code to create your own exception class that handles file input output exceptions. the name of this class must be your first name.
Answers
To create a custom exception class, we will first extend the existing IOException class in Java, which is specifically used for handling input/output exceptions. We will use your first name as the class name.
1. Begin by importing the necessary package for IOException:
```java
import java.io.IOException;
```
2. Create the custom exception class using your first name, and extend the IOException class:
```java
public class FirstNameException extends IOException {
```
3. Add a constructor to your custom exception class that takes a message string as a parameter and passes it to the superclass (IOException) constructor:
```java
public FirstNameException(String message) {
super(message);
}
```
4. Close the class definition:
```java
}
```
Here is the complete code for your custom exception class:
```java
import java.io.IOException;
public class FirstNameException extends IOException {
public FirstNameException(String message) {
super(message);
}
}
```
Replace "FirstName" with your actual first name, and you now have a custom exception class for handling file input/output exceptions.
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Related Questions
A steel pipe with an inside diameter of 10 in. will be used to transmit steam under a pressure of 800 psi. If the hoop stress in the pipe must be limited to 10 ksi because of a longitudinal weld in the pipe, determine the minimum satisfactory thickness for the pipe.
Answers
Answer:
The minimum satisfactory thickness for the pipe is 0.4. in
Explanation:
The computation of the minimum satisfactory thickness for the pipe is shown below:
As we know that
\(\sigma _h = \frac{pr}{t}\)
Now for determining the thickness we have to rearrange it
\(t = \frac{pr}{\sigma_h}\)
where,
p = pressure inside the pips
r = pipe radius
\(\sigma _h\) = stress of the hoop
Now put the given values to the above equation
So,
\(t = \frac{800 \times 5}{10 \times (10)^3}\)
= 0.4 in
Hence, the minimum satisfactory thickness for the pipe is 0.4. in
The same is to be considered
QUESTION 1 (1 mark)
What is the primary condition Information Technology (IT) technicians look for when repairing computers and laptops?
Answers
The primary condition that Information Technology (IT) technicians look for when repairing computers and laptops is identifying the underlying cause of the issue.
When troubleshooting and repairing computers and laptops, IT technicians aim to determine the root cause of the problem rather than simply addressing the symptoms. By identifying the specific issue, whether it's hardware-related (such as a faulty component) or software-related (such as a corrupted operating system), technicians can implement the most appropriate solution.
To identify the underlying cause, IT technicians utilize various diagnostic techniques, tools, and their expertise. They may perform hardware tests, check system logs, run diagnostic software, or engage in systematic troubleshooting to pinpoint the source of the problem. Once the root cause is identified, the technician can proceed with the necessary repairs or fixes to restore the functionality of the computer or laptop.
Efficiently identifying the primary condition allows IT technicians to provide targeted solutions, reduce repair time, and minimize downtime for the users. It enables them to address the specific issue at hand, ensuring that the repaired system functions reliably and meets the user's requirements.
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branch-circuit conductors shall have an ampacity ? the maximum load they are intended to serve.
Answers
Branch-circuit conductors shall have an ampacity that is sufficient to safely carry the maximum load they are intended to serve. The ampacity of branch-circuit conductors is determined based on the anticipated current demands of the connected loads.
The National Electrical Code (NEC) provides guidelines and ampacity tables that help determine the minimum required ampacity for branch-circuit conductors based on the type of conductor, insulation rating, and the maximum allowable temperature rise.
It is important to correctly size the branch-circuit conductors to ensure they can handle the expected load without exceeding their ampacity. Undersized conductors can result in overheating, voltage drop, and potential hazards. Oversized conductors may not be cost-effective and can take up unnecessary space.
To determine the appropriate ampacity for branch-circuit conductors, factors such as the type and number of connected devices, continuous loads, and future expansion should be considered. It is recommended to consult the NEC or a qualified electrical professional to ensure compliance with the specific requirements and calculations for ampacity determination.
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the object-oriented principle of ____________ means that different classes can have different behaviors for the same operation.
Answers
The object-oriented principle of polymorphism means that different classes can have different behaviors for the same operation.
Polymorphism is one of the core concepts of object-oriented programming (OOP) and it helps describe situations in which something occurs in several different forms. It allows objects of different classes to be treated as objects of a common superclass, enabling the same function or method to be applied to them, while exhibiting different behaviors depending on the actual class of the object.
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The object-oriented principle you're looking for is called "polymorphism." Polymorphism means that different classes can have different behaviors for the same operation. This allows for more flexibility and easier code maintenance in object-oriented programming
The object-oriented principle of polymorphism means that different classes can have different behaviors for the same operation. This is achieved through the use of methods that are overridden or implemented differently in each class, allowing for flexibility and customization in the behavior of objects. Content loaded with the object-oriented principle of polymorphism can provide dynamic and adaptable solutions to programming challenges.Polymorphism means "many forms", and it occurs when we have many classes that are related to each other by inheritance. Like we specified in the previous chapter; Inheritance lets us inherit attributes and methods from another class. Polymorphism uses those methods to perform different tasks.
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.
Calculate the work done in lifting a 300N weight to a height of
1Omwith anacceleration of 0.5ms. Take g- 10ms
Answers
Note that ,the work done in lifting a 300 N weight to a height of 10 m with an acceleration of 0.5 m/s² is 3000 Joules.
How is this so?
To calculate the work done in lifting a 300 N weight to a height of 10 m, we need to use the formula -
Work = Force x Distance
In this case, the force is the weight being lifted, which is 300 N, and the distance is the height the weight is lifted, which is 10 m.
Work = 300 N x 10 m
= 3000 N·m
= 3000 J (Joules)
Therefore, the work done in lifting a 300 N weight to a height of 10 m with an acceleration of 0.5 m/s² is 3000 Joules.
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GMA MIG weiding is a
Answers
Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) welding or metal active gas (MAG) welding, is a welding process in which an electric arc forms between a consumable MIG wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to melt and join.
Explanation:
GMA MIG weiding is aiejrjjrkdkff
Please give a detail explanation, thank you
1) When solving the impact problems, we should always assume that during an impact between two bodies, there is no permanent deformation in the bodies.
True or false
2) If a semi-truck collides head-on with a mini car, which one will exert more force?
Semi-truck on the mini car
Mini car on the semi-truck
There is no force exerted
Both vehicles will exert equal force
Answers
The given statement "When solving the impact problems, we should always assume that during an impact between two bodies, there is no permanent deformation in the bodies" is False and there is usually some amount of permanent deformation during an impact when semi-truck collides head-on with a mini car.
The statement is False because In reality, there is usually some amount of permanent deformation that occurs during an impact, especially if the impact is severe. However, in many cases, the amount of deformation may be negligible or can be ignored for simplicity in calculations.Therefore the statement is False.
If a semi-truck collides head-on with a mini car then According to Newton's Third Law of Motion, every action has an equal and opposite reaction. Therefore, both the semi-truck and the mini car will exert equal force on each other during a head-on collision. The force experienced by each vehicle will depend on factors such as their mass, speed, and the duration of the impact. However, it is likely that the semi-truck, being much larger and heavier than the mini car, will experience less of a change in velocity than the mini car and therefore will exert more force on the smaller vehicle.
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Why is it permissible to omit an electric space heater, water heater, and certain other 240-volt equipment when calculating the neutral service-entrance conductor for a residence
Answers
It is permissible to omit certain 240-volt equipment when calculating the neutral service-entrance conductor for a residence because such equipment does not require a neutral connection and operates on a single phase.
In a residential electrical system, the neutral service-entrance conductor provides a return path for the current flowing through the hot wires. However, some 240-volt equipment, such as electric space heaters and water heaters, do not require a neutral connection as they operate on a single phase.
Therefore, the current flowing through these appliances does not require a neutral return path and they can be omitted from the calculation of the neutral service-entrance conductor. However, it is important to note that other equipment may still require a neutral connection and should be included in the calculation.
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The property that determines a material’s ability to conduct electricity is called?
Answers
Answer:
conductivity
Explanation:
Conductivity is the measure of the ease at which an electric charge or heat can pass through a material.
lehighedu
binary classification algorithm
Answers
Answer:
What is this exactly?
Explanation:
If your asking for the definition, binary classification is the task of classifying the elements of a set into two groups on the basis of a classification rule.
draw afd,sfd and bmd of frame
Answers
Answer:
uh, i dont understand?
Explanation:
For an Ac signal with peak voltage Vp equal to 60V, the same power would be delivered to a load with a dc voltage of
Answers
Answer:
30√2 ≈ 42.426 volts
Explanation:
The RMS value of the signal is the DC equivalent. For a sine wave, the mean of the square is half the square of the peak value. Then the Root-Mean-Square is ...
RMS = √((Vp)^2/2) = Vp/√2
For Vp = 60 volts, the equivalent DC voltage is ...
V = (60 volts)/√2 = 30√2 volts ≈ 42.426 volts
please help with my economics problem
Answers
Answer:
You first get a new job, and make a new company and then by amazon to traumatize Jeff Bezos after his divorce
Explanation:
wassup everyone here is my question...
whats the steps on building a rocket?
jk it would be cool it u included it tho
Answers
Answer:
Step One: Know What Your Rocket Needs to Do. ...
Step Two: Establish Mission Parameters. ...
Step Three: Call in Experts. ...
Step Four: Start Drawing. ...
Step Five: Whittle Down the Possibilities. ...
Step Six: Pick the Best Design.
Explanation:
Hope this helps and thx for tha fwee pts
What are the nominal dimensions for a 1x2 stick of lumber, a 2x4 stick of lumber and a standard sheet of plywood?
Answers
1 1/2 x 3 1/2 inches (38 x 89 mm) is the actually size for a 2x4 stick of lumber,
Plywood is usually sold in 4 x 8-foot sheets. The most common nominal thicknesses of plywood are 1/2 inch and 3/4 inch, but once again the actual sizes are slightly different. A sheet of 1/2-inch plywood is really 15/32 inch thick, while a 3/4-inch sheet is 23/32 inch thick.
Hopefully this answers your question, I apologize if it doesn’t :)
The actual dimensions for the given nominal dimensions 1x2 stick of lumber, a 2x4 stick of lumber are;
Actual dimension of 1 x 2 stick of lumber = ³/₄'' × 3¹/₂''
Actual dimension of 2 x 4 stick of lumber = 1¹/₂'' × 3¹/₂''
The nominal dimension for a sheet of plywood is; 4' x 8'
Lumber sticks are sticks made from timber in forms used mainly in building construction as formwork support for the sheets of plywood used.
There could also be other uses of lumber sticks like making of some basic home furniture's but they are primarily used in building construction.
Now, Lumber sticks could come in different nominal dimensions such as;
1 x 4 lumber sticks.1 x 6 lumber sticks.1 x 8 lumber sticks.1 x 10 lumber sticks.1 x 12 lumber sticks.2 x 4 lumber sticks.2 x 6 lumber sticks.2 x 8 lumber sticks.2 x 10 lumber sticks.2 x 12 lumber sticks.Now, in the question, we are dealing with 1x2 stick of lumber and a 2x4 stick of lumber. From general cutting standards in most workshops, the actual sizes are respectively;
Actual size of 1 x 2 stick of lumber = ³/₄'' × 3¹/₂''
Actual size of 2 x 4 stick of lumber = 1¹/₂'' × 3¹/₂''
Now, for a sheet of plywood, the standard size of a sheet of plywood is 4' × 8'.
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what is time dependent
Answers
Answer:
Adjective. time-dependent (not comparable) (mathematics, physics) Determined by the value of a variable representing time.
Explanation:
Plz mark brainliest thanks
Answer: Adjective. time-dependent (not comparable) (mathematics, physics) Determined by the value of a variable representing time
A golfer and her caddy see lightning nearby. the golfer is about to take his shot with a metal club, while her caddy is holding a plastic handled umbrella. which person is at greater risk? Explain why?
Answers
Answer:
The golfer is at greater risk.
Explanation:
The golfer is holding a metal club. Metal is a good conductor for electricity (lightning), meaning electrons can pass through easily. Her caddy is at lesser risk because she is holding a plastic handled umbrella. Plastic is an insulator, which does not easily allow the movement of electrons to pass.
Once business strategy is defined for an AI, what should be the first compenent to consifer when building the AI solution?
Answers
When building an AI solution, the first component that should be considered after defining the business strategy is the data.
The quality and quantity of data available play a crucial role in the success of an AI solution. It is important to have a large dataset that accurately represents the problem domain and covers all the possible scenarios that the AI system may encounter. The data should be preprocessed, cleaned, and formatted to ensure that it is ready to be used by the AI algorithms. This includes removing duplicates, handling missing values, and correcting any errors. Additionally, the data should be labeled and classified to allow the AI system to learn from it.
Once the data is prepared, the next step is to select the appropriate AI algorithms that can solve the problem at hand. The selection of algorithms depends on the nature of the problem, the size of the dataset, and the required accuracy of the solution. It is also important to consider the hardware and software infrastructure required to implement the AI solution. This includes the selection of hardware components such as CPUs, GPUs, and memory, as well as the software framework such as TensorFlow, PyTorch, or Keras.
Finally, it is crucial to have a team of experts who can design, implement, and maintain the AI solution. The team should have diverse skills in areas such as data science, software engineering, and domain expertise. They should also be able to continuously monitor and refine the AI solution to ensure that it remains relevant and effective in meeting the business goals.
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6 A square silicon chip (k 150 W/m K) is of width w 5 mm on a side and of thickness t 1 mm. The chip is mounted in a substrate such that its side and back surfaces are insulated, while the front surface is exposed to a coolant. If 4 W are being dissipated in circuits mounted to the back surface of the chip, what is the steady-state temperature difference between back and front surfaces
Answers
Answer:
1.1⁰C
Explanation:
Width W = 5mm = 0.005
Thickness t = 1 mm = 0.001
K = thermal conductivity = 150W/m.K
P = q = heat transfer rate = 4W
We are to find the steady state temperature between the back and the front surface
We have to make these assumptions:
1. There is steady state conduction
2. The heat flow is of one dimension
3. The thermal conductivity is constant
4. The heat dissipation is uniform
We have:
∆t = t*P/k*W²
= (0.001m x 4W)/150x(0.005)²
= 0.004/0.00375
= 1.06667
This is approximately,
1.1⁰C
Thank you!
.Write a program that uses a void function void miles_to_km() to generate a kilometer
conversion table for all even kilometers from 2 miles to 62 miles. Use two decimal
places for kilometers.
Answers
Explanation:
rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
Describe a project in which you would use a pleater, ruffling foot, or gathering foot. Explain each of these tools and choose the one that might be necessary for the project you are describing.(FASHION DESIGN)
Answers
A project that requires using a pleater, a ruffling foot, or a gathering foot is the creation of a dress.
A pleater, a ruffling foot, and a gathering foot are all accessories for sewing machines or machines themselves that help fashion designers to give the fabric a different shape or texture, and therefore create unique pieces.
Pleater: This tool includes multiple needles that go through the fabric to create multiple pleatsRuffling foot: This is usually an accessory for sewing machines to create rufflesGathering foot: This tool is used to create gathers in fabric, these differ from ruffles because they are smaller and more subtle than rufflesAll of the tools can be used in the creation of a dress, for example, a pleater can be used in the top section of the dress to give it a nice texture and make it different from the skirt. In the same way, others such as the ruffling foot or the gathering foot can be used in the sleeves of the dress.
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In a dictionary to print the average value
Answers
Answer:
Use a dictionary?
Explanation:
Bad wording of the question...
a technician is being asked to move a heavy industrial printer. which safety technique is recommended for this situation?
Answers
The safety technique that is recommended for this situation of moving a heavy industrial printer is to Bend at the knees when lifting.
What is a Safety Procedure?This refers to the process of executing a task in a safe and acceptable way that does not put the user or others at risk
Hence, we can see that The safety technique that is recommended for this situation of moving a heavy industrial printer is to Bend at the knees when lifting.
This is to ensure that the person doing the lifting does not injure himself and has the proper form when lifting.
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The inverted U-tube is used to measure the pressure difference between two points A and B in an inclined pipeline through which water flows. The differenceof level h=0.4m ; X=0.2; and Y=0.3m. Calculate the pressure difference between point B and A if the top of the manometer is filled with:
i) Air
ii) paraffin of relative density of 0.75
Answers
Answer:
i) 0.610 m or 610 mm
ii) 0.4 m or 400 mm
Explanation:
The pressure difference between the pipes is
a) Air
Pa + πha +Ha = Pb + πhb +Hb
Pa - Pb = π(hb-ha) + Hb-Ha
Relative density of air = 1.2754 kg /m3
Pa - Pb = 1.2754 * 0.4 + (0.3-0.2) = 0.610 m or 610 mm
b) paraffin of relative density of 0.75
Pa - Pb = π(hb-ha) + Hb-Ha
Pa - Pb = 0.75 * 0.4 + (0.3-0.2) = 0.4 m or 400 mm
1. Why is the perfect elastic-plastic model adopted in steel design?
Answers
Answer:
Explained below
Explanation:
Perfect Elastic Plastic in steel design is simply a method whereby the structural members are selected using the criteria of the overall ultimate capacity of the system. However, when safety is considered, the applied loads are usually increased by factors of safety as prescribed in the relevant steel design codes. Therefore, this model of design is just based on the yield capacity of the steel.
Consider diodes in a rectifier circuit. Input voltage is sinusoidal with a peak of +/-10 V. Diode drop is 0.7 V. What is the PIV for each type rectifier 1. 0.7 V 2. 1.4 V 3. 10.7 V 4. 11.4 V Bridge rectifier 5. 19.3 V Full-wave rectifier 6. 8.6 V 7. 9.3 V Half-wave rectifier 8. 7.2 V 9. 12.1 V 10. 12.8 V 11. 10 V
Answers
Answer is given below:
Explanation:
Peak inverse voltage (PIV) can be defined as the maximum value of the reverse voltage of the diode, which is the maximum value of the input cycle when the diode is on. In reverse bias. Happens. 9.3V for braid rectifiers cut at 0.7The center tapered rectifier has 2 diodes in parallel so the maximum voltage is 2Vm so the answer to cut off the 0.7 voltage is19.3V. For a half wave rectifier it is Vm i.e. 10 V.7 Water undergoes changes in state because
temperature affects the speed of its particles.
Which of the following statements best
explains why water changes into a gas when
heated? 5.3(A)
A The lower the temperature, the slower the
speed of the particles.
B Particles of liquids can move from place to
place.
C The higher the temperature, the faster the
speed of the particles.
D Water takes the shape of its container.
Answers
Answer: B. Particles of liquids can move from place to
Explanation:
Fast-moving particles transfer energy to slower-moving particles ... The motion of water molecules causes them to leave the liquid and become a gas.
6.) When an anti-lock brake system (ABS) is disabled the:
OA. hydraulic service brakes will not operate.
OB. brake system will lock up anytime the brakes are applied.
OC. service brakes will operate normally with no ABS operation.
OD. service brakes will pulsate when applied.
Copyright © The National Institute for Automotive Service Excellence (AS
Answers
The correct option is C. When an anti-lock brake system (ABS) is disabled, the service brakes will operate normally without ABS operation
What is the ABS system?The purpose of the ABS system is to keep the wheels from seizing up when the brakes are applied, enabling the driver to steer the car and remain in control.
When the ABS feature is turned off, the brake system works like a conventional hydraulic brake system, which could result in wheels being locked up if the braking force is too intense.
Nonetheless, the brakes for the service will persist to function and can be employed to decrease the velocity or bring the automobile to a halt.
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determine the required size of standard schedule 40 steel pipe to carry 192 m3/hour of water with a minimum velocity of 6.0m/sec
Answers
Answer:
Explanation:
To determine the required size of standard schedule 40 steel pipe to carry 192 m³/hour of water with a minimum velocity of 6.0 m/sec, we can use the following formula:
Q = A × v
where Q is the volumetric flow rate of water, A is the cross-sectional area of the pipe, and v is the velocity of water.
First, we need to convert the volumetric flow rate from m³/hour to m³/sec.
192 m³/hour = 0.0533 m³/sec
Next, we can rearrange the formula to solve for the cross-sectional area:
A = Q / v
A = 0.0533 m³/sec / 6.0 m/sec
A = 0.0089 m²
The cross-sectional area of the pipe is 0.0089 m².
Standard schedule 40 steel pipe has a nominal inside diameter (ID) of 1.049 inches, which is approximately 0.0266 meters. The cross-sectional area of the pipe can be calculated using the formula for the area of a circle:
A = π × (ID/2)²
A = 3.14 × (0.0266/2)²
A = 5.58×10^-4 m²
To determine the required size of the pipe, we can rearrange the formula for the area of a circle to solve for the diameter:
ID = 2 × √(A/π)
ID = 2 × √(0.0089/π)
ID = 0.106 meters
Therefore, the required size of standard schedule 40 steel pipe to carry 192 m³/hour of water with a minimum velocity of 6.0 m/sec is a nominal size of 4 inches, with an inside diameter of 0.102 meters (or 102 millimeters).
both pulleys are fixed to the shaft
Answers
Answer:
go and search it will show you I would send you the link but it wont allow me so just look it up for now