1. Describe the difference between instance methods and class methods in Java and give an example of each.
2. A class variable is visible to and shared by all instances of a class. How would such a variable be used in an application?
3. Describe the difference between abstract classes and concrete classes, giving an example of each.
4. Explain how data are encapsulated and information is hidden in Java?
5. Explain the difference between a class and an interface in Java, using at least one example.
In: Computer Science
Determine whether each of the following statements is True or False. If True, write a proof. If False, exhibit a counterexample.
1) If m, n are arbitrary positive integers, then any system of form
x ≡ a (mod m)
x ≡ b (mod n)
has a solution.
2) If m, n are arbitrary positive integers and the system
x ≡ a (mod m)
x ≡ b (mod n)
has a solution, then the solution is unique modulo mn.
Modern Abstract Algebra
In: Advanced Math
or this essay question compare and contrast the role of language as seen by the theorist’s: Jean Piaget and Lev Vygotsky. Be sure to: 1-explain how they both viewed language in similar ways, 2-how they differed in their views of language and lastly, being that one theorist felt stronger about the role of language leading to higher levels of abstract thinking, what would Piaget/Vygotsky say to one another if they were given the opportunity to critique each other on their differing views.
In: Psychology
Discuss how you might use the sharpe ratio to analyze an investment manager? Are there any flaws to this metric? Are there other measures of skill?
Do you have anything of interest in the markets this week? any particular investments? I mention General Mill (GIS) and Jabil (JBL) which report this week?
In: Finance
Choose one of the following ethical theories (utilitarianism, deontology/Kantianism, virtue ethics, and feminism) and give a succinct argument and explanation of its main ideas. Then mention and explain one criticism of that theory. Finally, say how you think the proponent of this theory would respond to that criticism. (1000 word minimum)
In: Economics
Write an explanation to a new staff member in a local health department, one who did not have PHE 502 in her curriculum, of how person-years were obtained for each of the smoking groups. Mention what might be the advantages of using an incidence density versus cumulative incidence in your explanation.
In: Statistics and Probability
Do you think the financial statements provides ALL the necessary information to external users to make better decision? Mention any information that should be known by external users and not included in the financial statements?
Q2: From a personal perspective, why do accountants have to divide the life of the entity into periods?
In: Accounting
. The subject is: Balance Sheet. You need to present the definition, sections, simple-and classified format, related ratios, orders, and other concerns. You can add sample tables to visualize your thoughts. You should clearly mention what the importance of this financial statement as far as creditors and investors are concerned.
In: Accounting
(1) Provide an overview of economic systems. Mention the names of some countries where specific economic systems have been adopted.
(2) Discuss the most essential characteristics of each economic system.
(3) For each of the economic systems, reflect on its advantages and disadvantages (with respect to other economic systems).
In: Economics
What kind of policies (under Fiscal policy) might you suggest to the government? Mention three. Consider the economic principle held by Classical economists: The economy always returns to its potential in the long run. What are Keynes’s criticisms of this economic principle?
300-400 word response please! thanks!
In: Economics