Given the following type and reference declarations, which assignment is legal? Select the one correct answer. (a)
Question:
Given the following type and reference declarations, which assignment is legal?
Select the one correct answer.
(a) obj2 = obj1;
(b) obj3 = obj1;
(c) obj3 = obj2;
(d) I1 a = obj2;
(e) I1 b = obj3;
(f) I2 c = obj1;
Transcribed Image Text:
// Type declarations: interface Il {} interface 12 {} class C1 implements I1 {} class C2 implements 12 {} class C3 extends C1 implements 12 {} // Reference declarations: C1 obj1 = null; C2 obj2 = null; C3 obj3 = null;
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 80% (5 reviews)
e Only the assignment I1 b obj3 is valid The assignment is allowed since C3 extends ...View the full answer
Answered By
Benard Ndini Mwendwa
I am a graduate from Kenya. I managed to score one of the highest levels in my BS. I have experience in academic writing since I have been working as a freelancer in most of my time. I am willing to help other students attain better grades in their academic portfolio. Thank you.
4.90+
107+ Reviews
240+ Question Solved
Related Book For
Programmers Guide To Java SE 8 Oracle Certified Associate OCA
ISBN: 9780132930215
1st Edition
Authors: Khalid Mughal, Rolf Rasmussen
Question Posted:
Students also viewed these Computer science questions
-
QUIZ... Let D be a poset and let f : D D be a monotone function. (i) Give the definition of the least pre-fixed point, fix (f), of f. Show that fix (f) is a fixed point of f. [5 marks] (ii) Show that...
-
For monotone functions f, f0: P Q between posets (P, vP ) and (Q, vQ), let f v f(i) Prove that the binary relation v is a partial order. [3 marks] (ii) For monotone functions between posets p : P 0...
-
Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...
-
Explain the Mechanism & routes of administration of SEDDS (Self emulsifying drug delivery system).
-
An interesting turbo machine [58] is the fluid coupling of Fig. C11.6, which delivers fluid from a primary pump rotor into a secondary turbine on a separate shaft Both rotors have radial blades....
-
1.What are the five steps in the planning process? 2.What is the difference between goal, domain, and hybrid planning? 3.How are planning, implementation, and controlling related?
-
The auditor of a bank is called to a meeting with a senior operations manager because of a customers report that an auto loan payment was not credited. According to the customer, the payment was made...
-
Rocky Mountain Interiors deposits all cash receipts each Wednesday and Friday in a night depository, after banking hours. The data required to reconcile the bank statement as of July 31 have been...
-
The desired distance for Flextronchip customers is 0.2 mm between two adjacent pins. Any deviation from this value causes interference. The process of handling complaints costs the firm at...
-
Given the following class and reference declarations, what can be said about the statement y = (Sub) x? Select the one correct answer. (a) It is illegal at compile time. (b) It is legal at compile...
-
Which statements will cause a compile-time error in the following code? Select the two correct answers. (a) (1) (b) (2) (c) (3) (d) (4) (e) (5) (f) (6) public class MyClass { public static void...
-
1. Round off the number 0.05651 to 3 decimal places. 2. Round off the number 0.05649 to 3 decimal places. 3. Round off the number 0.0035 to 2 decimal places. 4. Express 2/23 as a decimal number...
-
how do nuanced leadership styles manifest, and what catalytic elements differentiate transformational leadership from transactional leadership in fostering organizational resonance ?
-
An explanation for why women remain underrepresented in some areas of employment and are paid less than male counterparts doing the same work is known as what?
-
Use the following probability distribution to answer the following questions. P(x) 5 0.07 6 0.76 7 0.08 10 0.09 Calculate the mean, variance, and standard deviation of the distribution. You may round...
-
A single-price monopolist has the following equations representing its marginal cost and demand curves: Q-800-1/3 P MC-20 What are this monopolist's profit maximizing price and quantity?
-
Most experts expect the development of worldwide sporting leagues to continue as the cost of communication and transportation continues to fall. Traditional American sports may find themselves in...
-
Companies have a choice as to where in the financial statements to report comprehensive income. How does that choice differ between U.S. GAAP and IFRS?
-
a. What is the cost of borrowing if Amarjit borrows $28 500 and repays it over a four-year period? b. How many shares of each stock would he get if he used the $28 500 and invested equally in all...
-
Draw the AVL tree resulting from the insertion of an entry with key 52 into the AVL tree of Figure 11.13b. 4 62 44 78) 50 88 48 54 T4 T2 (b)
-
Consider the set of keys K = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}. a. Draw a (2,4) tree storing K as its keys using the fewest number of nodes. b. Draw a (2,4) tree storing K as its keys using the...
-
Consider the sequence of keys (5,16,22,45,2,10,18,30,50,12,1). Draw the result of inserting entries with these keys (in the given order) into a. An initially empty (2,4) tree. b. An initially empty...
-
Problem 1 0 - 1 Relevant Cash Flows [ LO 1 ] Parker & Stone, Incorporated, is looking at setting up a new manufacturing plant in South Park to produce garden tools. The company bought some land six...
-
Using the Hi-Tech data shown in Tables 4.5 and 4.6 below as well as information from the textbook, recalculate the NPV of Hi-Tech; but assume that the company is currently not at its target capital...
-
Quad Enterprises is considering a new 3 - year expansion project that requires an initial fixed asset investment of $ 2 . 8 million. The fixed asset falls into the 3 - year MACRS class ( MACRS Table...
Study smarter with the SolutionInn App