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Write a class called FileOperations that accepts a string value in a variable called str which represents the name of a text file residing on an external storage device. Provide the following:
a) A constructor that accepts the string str, representing the file name, and creates a LineNumberReader object.
b) A mutator method that reads the file line by line until the file is empty.
c) An accessor method that determines if the actual file exists.
d) An accessor method that returns the number of bytes in the file.
e) An accessor method that returns the name of the file.
f) The declaration of appropriate variables and use of Exception where necessary.
Note :- a test class is NOT required
Exceptions identify errors that arise in your program. Name the two categories of exceptions that are derived directly from Throwable and differentiate between them.
Why Has Employment Declined? After examining the information and views found in the above activities, what factors are contributing to the current unemployment rate and the current labor participation rate?
The dating service's owner said that the difference in price compensated for inequities in pay scales between men and women. Which of the following statements below is an alternative explanation that an economist would look for.
Find a market price for hydrogen gas and normalize the energy content compared to the current local price of gasoline. Using octane as an approximation for gasoline energy content, compare the cost per kilojoule of energy of hydrogen to gasoline
Identify three methods for solving rational expectations models and using your chosen method, find the rational expectations solution for prices (p) and output (y).
Dot.com Products, offers storage containers for fine china on the Internet. The corporation is the low-cost retailer of these quilted boxes with fixed costs of $480,000 a year,
What is the Processing of data with a delay in data collection and actual data entry.
The Hull Petroleum Company and Inverted V are retail gasoline franchises that compete in a local market to sell gasoline to consumers.
Based on the analysis of the data, share your thoughts on what caused the financial crisis and whether the United States is going in the right or wrong direction with its current policies.
Given the elasticities in question 2. and assuming that higher gasoline taxes would not shift either the SUV supply curve or the hybrid supply curve, a. explain how higher gasoline taxes would affect the equilibrium price and quantity of SUVs. b. e..
GDP per capita in a nation like Switzerland can have a low GDP per capita also still have a high standard of living.
In this case there will be a cash outlay of $550,000 at the end of the first yr followed by a cash payment of $650,000 at the end of the second year.
Where children is the number of children, motherseduc and fatherseduc are the years of education of the mother and father respectively and familyincome is the income of the family. We expect β1
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