is the concept in which two methods having the same method signature are present in
in which an inheritance
relationship is present
In Java,
is made possible by introducing different methods in the same class consisting of the same name. Still, all the functions
Difference between static methods, static variables, and static classes in java.
Static Methods
✓ Static variables
✓ Static classes
inner static class
A. belong to the class, not to the object of the class, can be instanced
B. belong to the class, not to the object of the class
C. cannot be static
D. belong to the class, not to the object of the class, can be changed
Answers
The correct answers are A for static methods and static classes, and B for static variables. Static methods and static inner classes belong to the class, not the object of the class, and can be instantiated.
The concept in Java is Method Overloading, where multiple methods have the same name but different parameters (signature). Static Methods, Static Variables, and Static Classes in Java: A. Static variables belong to the class, not the object of the class, and can be instanced. They are initialized only once, at the start of the execution, and a single copy is shared among all instances of the class. B. Static methods belong to the class, not the object of the class. They can be called directly from the class, without having to create an instance of the class. C. Classes themselves cannot be declared static in Java, but inner classes can.
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Related Questions
Which design activity is part of the design for manufacturability (DFM) methodology?
Aavold parts that are mirror Images
B. establish guidelines on the go
с. some asymmetrical parts are acceptable
D.
maximize utilization of setup time
Answers
Answer:
D would be correct because it maximizes it.
Which of the following statements is the best description of the per capita generation of solid waste between 1960 and 2010?
Answers
Note that between 1960 and 2000, per capita generation of solid waste, increased. After 2000, per capita generation declined.
What is per capita waste generation?Note that per capital waste generation is the amount of waste generated by each individual. It is computed by dividing the total amount of waste in tones by the total number of people in that area.
Waste generation encompasses all items abandoned, whether recycled or disposed of in a landfill. Residential and commercial trash generation rates can be used to evaluate the impact of new projects on the local waste stream.
Waste Generated was estimated as the sum of Waste Diverted plus Waste Disposed of (in tonnes).
The frequency with which solid garbage is collected. Population characteristics include, for example, income and education levels, as well as occupational classifications. The extent to which garbage can be salvaged and recycled. Legislation governing the creation, collection, and disposal of solid waste.
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What type of electric motor is generally used with a direct cranking engine starter?
Answers
The type of electric motor generally used with a "direct cranking" engine starter is a "DC series motor".
A **DC series motor** is commonly employed in direct cranking engine starters. This type of motor offers high starting torque, which is crucial for initiating the rotation of the engine. The series motor design allows it to produce maximum torque at low speeds, making it suitable for the demanding task of cranking an engine. Additionally, the characteristics of a DC series motor, such as its ability to handle heavy current surges and withstand sudden changes in load, make it well-suited for engine starting applications. The motor is typically powered by a direct current (DC) source, often a battery, and its rotational motion is transmitted to the engine's crankshaft through a mechanical linkage, enabling the engine to start and begin running.
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A student lab group is brainstorming the design of an experiment that uses an ammeter (measures current) and different resistors to determine the effect of the resistance of a resistor upon the current in a simple circuit. Which Post-it note describes the most effective design?Put a 10.0-ohm resistor in the circuit. Measure the current in the circuit. Replace the 10.0-ohm resistor with a 20.0-ohm resistor. Measure the new current. Continue replacing the resistor with a different resistor of known resistance. Measure the current for each resistor. Record all data. Put a 10.0-ohm resistor in the circuit. Measure the current in the circuit. Move the ammeter to a different location in the circuit. Measure the current at this new location. Continue moving the ammeter to different locations within the circuit but be careful to keep the resistor in a fixed location. Measure and record all current values. Obtain a variety of batteries and build several circuits. Make sure that each circuit has at least one resistor and make sure that the resistance values are different in the different circuits. Place various ammeters in each circuit. Measure the number of batteries and the current for each of the circuits. Record the resistance values used in each of these circuits. Put a 10.0-ohm resistor in a circuit with a single D-cell. Measure the current in the circuit. Add a second D-cell and measure the current with two D-cells. Repeat trials for three, four, and five D-cells, being careful to get accurate current measurements for a fixed amount of resistance in each trial.
Answers
Answer:
Put a 10.0-ohm resistor in the circuit. Measure the current in the circuit. Replace the 10.0-ohm resistor with a 20.0-ohm resistor. Measure the new current. Continue replacing the resistor with a different resistor of known resistance. Measure the current for each resistor. Record all data.
Explanation:
The only design that has resistance varying with everything else remaining the same is the first design. That would be what you'd want to do if you're exploring the effect of resistance on current.
this process is accomplished by rotating dies that hammer a workpiece radially inward to taper it as the piece is fed into the dies. this process is:
Answers
Answer:
swaging
Explanation:
In a confined aquifer, a 50-cm diameter well fully penetrates the aquifer. The hydraulic
conductivity of the aquifer was approximately 0.8 m/day. Originally, the piezometric
head was 300 m above the top of the aquifer, which is 30 m thick. If 0.8 m 3 /min is
pumped from the well, what should be the depth of water in the well? What will the
height of the piezometric head be (above the top of the aquifer) at a distance of 50 cm
form the well? Assume the radius of influence to be 1000 ft.
Answers
For a well with the diameter of 2 ft, the approximate head in the pumped well for steady-state condition and approximate drawdown is 61.5770 ft and 48.42 ft respectively. The computed value of transmissivity is 1516.8 ft²/day.
We have a well with 2 feet diameter penetrates vertically through a confined aquifer 50 ft thick. Well is pumped at 500 gpm. The drawdown in a well 50 ft away is 10 ft.
Hence, required value is 48.42 feet. For a well with diameter of 2 ft, the approximate head in the pumped well for steady-state condition and approximate drawdown is 61.5770 ft and 48.42 ft respectively. The computed value of transmissivity is 1516.8 ft²/day.
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G A wheel-tractor scraper is operating on a level grade. Assume no power derating is required for equipment condition, altitude, temperature, and so on. Disregarding traction limitations, what is the maximum value of rolling resistance (in pounds per ton) over which a loaded scraper can maintain a speed of 11 mph
Answers
The maximum value of rolling resistance over which a loaded scraper can maintain in a speed of 11 mph is 275 lb/ton
What is a maximum rolling resistance?The maximum rolling resistance is the maximum rolling friction that can cause the motion of a body or a substance to resist the force when rolled on a flat surface.
Using Rimpull Performance Chart for wheel-tractor scraper;
For 11 mph speed, the required total resistance is ≅ 25%Grade resistance = 0%The total resistance = (gross+rolling) resistance
25% = 0% - rolling resistance
rolling resistance = 25%
The maximum rolling resistance = rolling resistance percentage × speed
The maximum rolling resistance \(\mathbf{=25\% ( \dfrac{11 \ lb/ton}{1 \% \ resistance})}\)
The maximum rolling resistance = 275 lb/ton
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a slip lineation on a fault plane has a rake of 68 ne. the fault is oriented n52e,83se. what is the plunge and bearing of this lineation
Answers
The plunge and bearing of the lineation are 248° and 315.5°NW, respectively
The slip lineation on the fault plane has a rake of 68° NE. Rake is the angle between the strike of the lineation and the fault. The fault is oriented N52°E and 83°SE. To calculate the plunge and bearing of the lineation, first, calculate the fault plane normal vector:
Fault plane normal vector = N52°E + 83°SE = 135.5°SE
Next, calculate the plunge and bearing of the lineation by taking the rake of the lineation and adding 180° to it.
Plunge = (68° + 180°) = 248°
Bearing = (135.5°SE + 180°) = 315.5°NW
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who is the strongest avenger i say hulk but who knows at this point
Answers
Answer:
or is the strongest evenger she hulk
Explanation:
?????????
Answer:
Thor!
Explanation:
In Thor: Ragnarok he beat the Hulk in order for Hulk to win thor had to be electrocuted and in Avengers: Endgame Thor is seen holding open the "Floodgates" and withstanding the radiation from a dying star, also the fact that Thor is a god means that he is all powerful and the rightful heir to the throne to Asgard, plus the fact that he has defeated Loki multiple times a feat that not even the Hulk has done.
explain the distinction between a real address and a virtual address?
Answers
Virtual addresses refer to the virtual store viewed by the process.
might be different, in which case virtual addresses must be mapped into physical addresses.
1. While there are a some exceptions such as an if-statement, Scheme has one primary syntax ()
a.True
b.False
2. Prolog is based on logic and its primary goal is to specify information and relationships rather than algorithms and how to process data.
Group of answer choices
a.True
b.False
3.Scheme doesn’t have a loop structure. Looping is instead achieved through recursion.
a.True
b.False
Answers
One efficient method for handling runtime failures in Java is exception handling, which helps to maintain the application's normal flow.
What is exception handling? Exception is a term used to describe an unintended or unexpected event that takes place at run time, or throughout the course of a program's execution, and which obstructs the instructions' regular flow. Programs are able to detect and deal with exceptions. It produces an object when an exception occurs within a procedure. The term "exception object" refers to this item. It holds details about the exception, including the name, description, and program state at the time the exception occurred.ClassNotFoundException, IOException, SQLException, RemoteException, etc. are only a few examples of runtime faults that can be handled via Java's exception handling mechanism.The main justifications for an exception OccursFailure due to invalid user inputInterruption of the networkLimits imposed by the body (out of disk memory)Error codesA file that cannot be openedProblems stand in for situations that are beyond repair, such as the Java virtual machine (JVM) running out of memory, memory leaks, stack overflow errors, library incompatibilities, infinite recursion, etc. We should avoid attempting to handle mistakes because they are frequently beyond of the programmer's control.To Learn more About exception handling refer to;
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In Python: Write a loop that displays all possible combinations of two letters where the letters are 'a', or 'b', or 'c', or 'd', or 'e'. The combinations should be displayed in ascending alphabetical order: aa ab ac ad ae ba bb ... ee
Answers
Answer:
The anser for this is 68
Explanation:
A home with 8’ ceilings measure 42” x 30” the areas of the window and the door openings are approximately 125 ft.². What’s the total wall area that needs to be insulated
Answers
The total wall area that needs to be insulated is -29 ft².
The negative value indicates that the area of the window and door openings exceeds the total wall area, which seems unlikely. It's important to note that the given dimensions or calculations might contain errors or inconsistencies. Double-checking the measurements or obtaining accurate dimensions will be necessary to provide a valid answer.
To determine the total wall area that needs to be insulated, we first need to calculate the area of the window and door openings and subtract it from the total wall area.
The dimensions of the window and door openings are not provided, but we know that their combined area is approximately 125 ft². Let's assume that the window and door openings are rectangular in shape.
Let's calculate the area of the window and door openings:
Area = Length × Width
Given that the combined area is 125 ft², we can assume:
Area of window and door openings = 125 ft²
Now, let's calculate the total wall area that needs to be insulated:
Total wall area = Wall area - Area of window and door openings
To calculate the wall area, we need to find the perimeter of the home and multiply it by the height of the walls. Assuming the home is rectangular:
Perimeter = 2 × (Length + Width)
Total wall area = Perimeter × Height
Let's substitute the given dimensions into the equations:
Perimeter = 2 × (42" + 30") = 144 inches
Total wall area = (144 inches × 8 feet) / 12 = 96 ft²
Finally, we can calculate the total wall area that needs to be insulated:
Total wall area = 96 ft² - 125 ft² = -29 ft²
The negative value indicates that the area of the window and door openings exceeds the total wall area, which seems unlikely. It's important to note that the given dimensions or calculations might contain errors or inconsistencies. Double-checking the measurements or obtaining accurate dimensions will be necessary to provide a valid answer.
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In Python when we say that a data structure is immutable, what does that mean?
Answers
When we say that a data structure is immutable in Python, it means that its values cannot be changed after it has been created. Any attempt to modify an immutable object will result in the creation of a new object with the updated value, rather than changing the original object. This property of immutability is useful for ensuring data integrity and avoiding accidental modifications to important data. Examples of immutable data structures in Python include strings, tuples, and frozensets.
In Python, an immutable data structure is a data structure that cannot be changed once it is created. This means that if a value is assigned to an immutable data structure, it cannot be modified later, and any operation that attempts to modify the data structure will create a new object with the modified value.For example, tuples in Python are immutable data structures. Once a tuple is created, its contents cannot be changed. If you try to modify a tuple, Python will raise a TypeError.
my_tuple = (1, 2, 3)
my_tuple[0] = 4 # This will raise a TypeError because tuples are immutable
In contrast, mutable data structures, such as lists and dictionaries, can be modified after they are created. This means that you can add, remove, or modify elements in a list or dictionary after they are created.Overall, immutability is a useful property in programming because it makes it easier to reason about the behavior of code and reduces the risk of unintended side effects. In Python, when we say that a data structure is immutable, it means that the elements within the data structure cannot be changed or modified after they are created. Some examples of immutable data structures are strings and tuples. Once an immutable object is created, its state and contents remain constant throughout its lifetime.
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What invention of the Middle Ages contributed to making books easily available?
Answers
The invention of the Middle Ages which contributed to making books easily available was the Printing press.
how many rotations of the crankshaft are required to complete each stroke of a four-stroke cycle engine?
Answers
two revolutions
An operating cycle requires two revolutions (720°) of the crankshaft. The four-stroke cycle engine is the most common type of small engine.
hope this helps kiddo!
Therefore, a four-stroke cycle requires two revolutions of the crankshaft.
Which engineering controls might be used to reduce the risk of hearing loss on a job site?
A. Reducing noise at the source.
B. Reducing reverberation.
C. Reducing structure-borne vibration.
Answers
Engineering controls are measures taken to reduce or eliminate the risks associated with the production or use of equipment or machinery. They're the most effective form of protection because they are intended to keep the hazard from reaching the worker altogether.
A. Reducing noise at the source: It's the most effective way to minimize noise at the source. Any effort to reduce noise must begin at the source, such as machinery or equipment. High-level noise-producing equipment should be fitted with mufflers or enclosures, and rubber mounts should be used to prevent vibration from spreading.
B. Reducing reverberation: Reverberation, or the echo of sound waves in an enclosed space, can contribute to hearing damage over time. Installing sound-absorbing materials such as acoustic tiles, fiberglass, or other absorbent materials on walls, ceilings, and floors can help to reduce reverberation.
C. Reducing structure-borne vibration: In certain circumstances, structure-borne noise can be reduced by designing and modifying machines to minimize the level of vibration they produce. Use of anti-vibration mounts on machinery can also help to reduce the risk of vibration-induced hearing damage.
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[FILL IN THE BLANK] A project estimator is working on estimates for a project that is very similar to a previous project, in that it has many of the same features and those features have similar costs. Each feature or deliverable will represent the same percentage of the total cost as it did for the previous project. He is using the _________ method of top-down estimating.A) ratioB) consensusC) apportionD) function pointE) learning curves
Answers
A project estimator is working on estimates for a project that is very similar to a previous project, in that it has many of the same features and those features have similar costs. Each feature or deliverable will represent the same percentage of the total cost as it did for the previous project. He is using the ratio method of top-down estimating. So, the correct option is A.
In top-down estimating, the project's cost is estimated using information from past similar projects as a guide. For this method, historical data is utilized to calculate the approximate cost and duration of the project as a whole. In a nutshell, top-down estimating is the opposite of bottom-up estimating. In contrast, bottom-up estimating starts with the smallest parts of the project and works its way up to the total cost and duration.
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Consider an incandescent lightbulb. If you wanted to turn a 10-w lightbulb into a 100-w lightbulb, how would you change the temperature of the filament inside the bulb?.
Answers
The temperature of the filament within the lightbulb can be altered by a factor of 10²⁵ by applying the blackbody radiation formula.
To tackle this issue, we need to understand black body radiation. A black body object's energy emission is inversely proportional to its area and the temperature to the fourth power. It can be calculated using the formula P = A e. T4, where is Stefan Boltzmann's constant (5.67x10⁸W/m/2K4), P is power, A is surface area, e is emissivity, and A is surface area.
We can deduct from the previous query that P1 = 10 watts and P2 = 100 watts.
The temperature ratio is T14/T24 = P1/P2 according to the black body radiation formula, which means that T2 = (T1*10⁴)/4
T2=T1 x 100²⁵.
As a result, the filament's internal temperature is altered by a factor of 10²⁵.
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Which of the following are consequences of burning coal for energy? (mark all that apply) Check All That Apply A. increased levels of CO2 in the atmosphere B. increased heavy metals (lead and mercury) released into the air C. acidified rain D. increased radicals that deplete ozone in the stratosphere:
Answers
The following are consequences of burning coal for energy increased levels of CO2 in the atmosphere, increased heavy metals (lead and mercury) released into the air and Acidified rain. The correct options are a, b and c.
Burning coal produces a number of main emissions: Sulphur dioxide (SO2), which causes respiratory conditions and acid rain, Nitrogen oxides (NOx), which cause respiratory diseases and smog, Particulates that cause lung sickness, respiratory diseases, fog, and haze, The main greenhouse gas produced by burning fossil fuels (coal, oil, and natural gas) is carbon dioxide (CO2).
Mercury and other heavy metals have been associated with developmental and neurological harm in both humans and other animals. Power stations produce bottom ash and fly ash as byproducts of burning coal.
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Steam enters a heavily insulated throttling valve at 11 MPa, 600°C and exits at 5.5 MPa. Determine the final temperature of the steam.
Answers
Answer: the final temperature of the steam 581.5 °C
Explanation:
Given that;
P₁ = 11 MPa
T₁ = 600°C
exit at; P₂= 5.5 MPa
Now from superheated steam table( p=11 MPa, T=600°C)
h₁ = 3615 kJ/kg
h₁ = h₂ ( by throttling process and adiabatic isentholpic )
from saturated steam table at; ( h= 3615 kJ/kg, P= 5.5 MPa )
Temperature = 581.5 °C
Therefore the final temperature of the steam 581.5 °C
tìm phản lực gối tựa
Answers
Answer:
jwjehevrvbdbejd HB dbnwjsishrb t bxjwbkozkwnwn shxvbebhgvevhehjhr. jebn
Water flows around a 6-ft diameter bridge pier with a velocity of 12 ft/s. Estimate the force (per unit length) that the water exerts on the pier. Assume that the flow can be approximated as an potential fluid flow around the front half of the cylinder, but due to flow seperation, the average pressure on the rea half is constant and approximately equal to 1/2 the pressure at point A.
Answers
Answer: hello the diagram related to your question is missing please the third image is the missing part of the question
Fx = 977.76 Ib/ft
Explanation:
Estimate the force that water exerts on the pier
V = 12 ft/s
D( diameter ) = 6 ft
first express the force on the first half of the cylinder as
Fx1 = - \(-2\int\limits^\pi _\frac{\pi }{2} {Ps*cos\beta *a} \, d\beta\) ---------------- ( 1 )
where ; Fy = 0
Ps = Po + 1/2 Pv^2 ( 1 - 4 sin^2β ) ------------- ( 2 )
Input equation (2) into equation ( 1 ) (note : assuming Po = 0 )
attached below is the remaining part of the solution
the 2.8-kip load p is supported by two wooden members of uniform cross section that are joined by the simple glued scarf splice shown. determine the normal and shearing stresses in the glued splice.
Answers
The normal stress in the glued splice is 0.04 Ksi and the shearing stress is 0.07 Ksi.
The kip load p is supported by two wooden members of uniform cross section that are joined by the simple glued scarf splice. Normal stress and shearing stress are computed as follows:
sin60=5/x
x=5/sin60
A= 3 * x
= 3*5/sin60
=15/sin60
Normal stress will be computed as :
σ =P/A=1.4sin60/A
A= 15/sin60
σ=0.04 Ksi
Shearing stress will be computed as:
τ = Pcos60/A
A= 15/sin60
τ=0.04 Ksi
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An ac voltmeter is to be used to measure the rms voltage across the 15kOhm resistor in the circuit shown in Figure 7. If the voltmeter uses half-wave rectification and a 100µA of D'Arsonval meter movement, if it is set on its 10V range, and if Rm-1.5k, what reading will be obtained. Given V=20Vrms, R¹=25kOhm, R²= 15kOhm
Answers
Answer: the solution is in the photo below
Explanation:
three ways to advertise for AVID
Answers
Answer:
newspaper, radio, televison
Explanation:
had avid in 7th :)
Answer:
1. will help for colcollares.
2. gives you money for studies
3. helps you choose the perfect collage
A investor will invest in mutual fundwith a probability of 0.6, will invest in government fundwith a probability of 0.3, and will invest in both fundswith a probability of 0.15. Find the probability that the investor will invest in either mutual fundor government fund.
Answers
Answer:
0.75
Explanation:
From this question above we have the following information
A = probability of investment in mutual fund= 0.6
B = probability of investment in government fund = 0.3
C = probability of investing in both the mutual fund and the government= 0.15
Where to find the probability of this investor investing in either of these two
= Prob(a) + prob(b) - prob(c)
= 0.6 + 0.3 - 0.15
= 0.9 - 0.15
= 0.75
Dicu water retention in oil in relation to availability of oil water to crop growth
Answers
False correlation between the amount of oil water available for crop development and the dicu water retention in oil.
The main element of the hydrosphere on Earth is water, which is also the fluid used by all known living creatures. It is a clear, flavorless, odorless, and nearly colorless inorganic compound. Even though it doesn't offer food, energy, or organic micronutrients, it is necessary for all currently understood forms of life. Its molecules have the chemical formula H2O and are composed of two hydrogen atoms bound together by covalent bonds. The hydrogen atoms are linked to the oxygen atom at a 104.45° angle. Water is also the name for H2O in its liquid state at normal pressure and temperature. There is water everywhere in the natural world.
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a 406 mm shaft has a uniform taper of 0.05 mm in 101.5 mm. what is the taper in the entire length of the shaft?
Answers
The taper in the entire length of the shaft is **0.505 mm**.
A shaft is a mechanical component used to transmit rotational motion and power between different parts of a machine. It is a long, cylindrical rod typically made of metal, and it plays a crucial role in various applications such as engines, pumps, and industrial machinery.
To calculate the taper in the entire length of the shaft, we can use the formula:
Taper = (Taper per unit length) x (Total length).
In this case, the taper per unit length is 0.05 mm in 101.5 mm, which is equivalent to 0.00049 mm per mm.
The total length of the shaft is 406 mm. By substituting these values into the formula,
we get: Taper = 0.00049 mm/mm x 406 mm = 0.19954 mm
. Rounding this value to three decimal places, the taper in the entire length of the shaft is approximately 0.505 mm.
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Two stepped bar is supported at both ends.At the join point of two segments,the force F is applied(downwards).Calculate reactive forces R1 and R3 at the supports.What is value of absolute maximal stress?
Choose one answer nearest your result.
given= d1=10mm d2=20mm L1=20mm L2=10mm E=200GPa F=20kN
Answers
Answer:
F=200kN
Explanation: