In Java, if the concrete type of p is Foo, p.getClass() and Foo.class will return the same
Question:
In Java, if the concrete type of p is Foo, p.getClass() and Foo.class will return the same thing. Explain why a similar equivalence could not be guaranteed to hold in Ruby, Python, or JavaScript.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 70% (10 reviews)
Ruby and Python allow members to be added or ch...View the full answer
Answered By
Mamba Dedan
I am a computer scientist specializing in database management, OS, networking, and software development. I have a knack for database work, Operating systems, networking, and programming, I can give you the best solution on this without any hesitation. I have a knack in software development with key skills in UML diagrams, storyboarding, code development, software testing and implementation on several platforms.
4.90+
63+ Reviews
152+ Question Solved
Related Book For
Question Posted:
Students also viewed these Computer science questions
-
Explain how EDM could be used in your AIS class to eliminate all paper flow between the students and professor. Include in your explanation what technologies would be necessary to facilitate your...
-
Is there a matrix equivalence class with only one matrix similarity class inside? One with infinitely many similarity classes?
-
A certain type of concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The strength of concrete is measured by pouring the mix into casting cylinders 6 inches in...
-
Compensation survey data collected in July 2018 shows the average annual salary for Accountant II is $62,300.00 (rounded). With an aging rate of +2.3%, calculate the market value for an Accountant II...
-
Reconsider Prob. 8-33. Using EES (or other) software, investigate the effect of the amount of electrical work supplied to the device on the minimum work and the exergy destroyed as the electrical...
-
In problem, x = 0 is a regular singular point of the given differential equation. Show that the indicial roots of the singularity do not differ by an integer. Use the method of Frobenius to obtain...
-
The efficiency of a self-locking machine is _____ 50 percent.
-
1. Evaluate the problem-definition process. Has the problem been defined adequately so that a relevant decision statement can be written? 2. What research questions might be tested? 3. What might a...
-
A figure skater begins spinning counterclockwise at an angular speed of 3.1 rad/s. During a 4.2 s interval, she slowly pulls her arms inward and finally spins at 7.2 rad/s. What is her average...
-
Jimmy owns a garden in which he has planted N trees in a row. After a few years, the trees have grown up and now they have different heights. Jimmy pays much attention to the aesthetics of his...
-
Design a test harness system based on Java annotations. The user should be able to attach to a method an annotation that specifies parameters to be passed to a test run of the method, and values...
-
Write an interactive tool that accepts keyboard commands to load specified class files, create instances of their classes, invoke their methods, and read and write their fields. Feel free to limit...
-
Ninety-eight percent of all babies survive delivery. However, 15 percent of all births involve Cesarean (C) sections, and when a C section is performed, the baby survives 96 percent of the time. If a...
-
Partnerships between acute care and community-based settings improve continuity of care. How do these partnerships influence reimbursement for health systems?
-
Identify each participant and its role in the process by which the money supply changes and monetary policy is implemented.
-
Why is it financially important for hospitals to institute effective discharge planning programs?
-
Each year, millions of American investors pour billions of dollars into investment companies, which use those dollars to buy the common stock of other companies. What do the investment companies...
-
a. Explain what is meant by the statement "the United States has a fractional reserve banking system." b. How are these items related: total reserves, required reserves, and excess reserves?
-
A 2.0-cm-high object is situated 15.0 cm in front of a concave mirror that has a radius of curvature of 10.0 cm. Using a ray diagram drawn to scale, measure (a) The location and (b) The height of the...
-
The first law of thermodynamics is sometimes whimsically stated as, You cant get something for nothing, and the second law as, You cant even break even. Explain how these statements could be...
-
How do guided media differ from unguided media?
-
Name the two major categories of transmission media.
-
Using Figure 7.6, tabulate the attenuation (in dB) of a 18-gauge UTP for the indicated frequencies and distances. Figure 7.6 26 gauge Gauge Diameter (inches) 0.0403 20 24 gauge 18 18 0.02320 22...
-
make a scenario for each of the following Gesture communication Facial expression communication Oral communication Written communication discuss briefly each scenario
-
Problem 7-30 Holding Period Yield (LO2) The YTM on a bond is the interest rate you earn on your investment if interest rates don't change. If you actually sell the bond before it matures, your...
-
According to theknot.com, online dating is the most common way people meet their spouses today. This claim was based on a survey of 1,400 randomly selected recently married couples, with 266...
Study smarter with the SolutionInn App