What is the output of the following application? A. CatHat CatHat B. aCataHat HatCat C. The code
Question:
What is the output of the following application?
A. CatHat CatHat
B. aCataHat HatCat
C. The code does not compile because the stream in concat1() returns an Optional.
D. The code does not compile for a different reason.
E. An exception is printed at runtime.
F. None of the above.
Transcribed Image Text:
package exercise; import java.util.*; public class Concat { public String concat1 (List values) { values.parallelStream() .reduce ("a", return (x,y)->x+y, String::concat); } public String concat2 (List values) { return values.parallelStream() .reduce ((w, z)->z+w).get(); } public static void main(String... questions) { Concat c = new Concat(); var list = List.of("Cat", "Hat"); String x = c.concatl (list); String y = c.concat2 (list); System.out.print(x+""+y); }}
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (1 review)
The code provided defines a Java class Concat with two methods concat1 and concat2 that perform string concatenations on elements of a list of strings ...View the full answer
Answered By
BETHUEL RUTTO
Hi! I am a Journalism and Mass Communication graduate; I have written many academic essays, including argumentative essays, research papers, and literary analysis. I have also proofread and written reviews, summaries and analyses on already finished works. I am eager to continue writing!
5.00+
1+ Reviews
10+ Question Solved
Related Book For
OCP Oracle Certified Professional Java SE 11 Developer Practice Tests Exam 1Z0 819 And Upgrade Exam 1Z0 817
ISBN: 9781119696131
1st Edition
Authors: Scott Selikoff, Jeanne Boyarsky
Question Posted:
Students also viewed these Computer science questions
-
Would it be : A= (2x)(2y) = 4xy f(x,y) = 4xy OR A= xy f(x,y) = xy By 2 different methods find the dimensions of a rectangle with maximum arca that can be inscribed in the ellipse Find ratios between...
-
William rented an apartment near to his work place recently. However, he has to frequently travel for work and go on multiple business trips every year. Therefore, he is worried about the risk of...
-
Which of the limitations that we discussed in class did I suggest could be a "6th force?" Group of answer choices Similar timing for strategy execution Assumes choice and companies can enact a...
-
A dipole of 6.6 nC point charges arranged 0.16 cm apart is centered at the origin and oriented along the x-axis. The positive charge is on the negative x axis. How m energy is required to place a...
-
The 4-lb cabinet is subjected to the force F =12(t + 1)^2 lb where t is in seconds. If the cabinet is initially moving up the plane with a velocity of 10 ft/s, determine how long it will take before...
-
Donaldson Corporation is a manufacturer of computer accessories. It uses absorption costing based on standard costs and reports the following data for 2017: There are no price, spending, or...
-
Two positively charged particles 1 and 2 are moving in the same plane, with the velocity of particle 1 perpendicular to the velocity of particle 2. At the instant shown in Figure P28.9, particle 2 is...
-
A credit card company has classified its customers into the following types for customer profitability analysis: 1. Applies for credit card in response to a low introductory interest rate; transfers...
-
The following trial balance was extracted from the books of accounts of KOWA partnership operated by Kori and Wangui partners for the period ended 31/12/2018 after preparing a trading account. KOWA...
-
Which of the following three functional interfaces is not equivalent to the other two? A. BiFunction B. BinaryOperator C. DoubleFunction D. None of the above. All three are equivalent.
-
Which of the following is not a valid lambda expression? A. (Integer j, k) -> 5 B. (p,q) -> p+q C. (Integer x, Integer y) -> x*y D. (left,right) -> {return "null";} E. All of these are valid.
-
Vector R has length 9.00 cm at 240.0. Find its x- and y-components.
-
In this exercise, identify the types of questions you'll need to be answered in order to help you plan a successful venture. Here's the situation: You have an idea for a new business. It's a high-end...
-
Over a period of 14 hours, 18 calls are made at random according to the Poisson model. What is the probability that in a 1-hour interval the number of calls is at least 2? [The answer should be a...
-
ABC Inc.'s directors have decided to declare a dividend and have announced that the record date is June 1 and the payment date will be July 1. Tim owned 1,000 shares of stock of ABC Inc. but sold...
-
why each financial ratio supports the decision to enter the cloud computing market?please explain it in detail.
-
The partners are considering adding a new partner to the entity. How many votes will each partner have in voting on this matter? Why?
-
Palo Verde Company was incorporated on January 1, 2011, with the following authorized capitalization: 25,000 shares of common stock , stated value $6 per share 8,000 shares of 8% cumulative preferred...
-
Why is a help desk and production support critical to system implementations? Discuss its interrelationship with the problem management and reporting system.
-
Repeat Problem 8-12 if we use 6 crossbars at the middle stage. Problem 8-12 We need a three-stage space-division switch with N = 100. We use 10 crossbars at the first and third stages and 4 crossbars...
-
Redesign the configuration of Problem 8-12 using the Clos criteria. Problem 8-12 We need a three-stage space-division switch with N = 100. We use 10 crossbars at the first and third stages and 4...
-
In Figure 9.5, show the process of frame change in routers R1 and R2. Figure 9.5 Figure 7.5 UTP connector 12345678 2343678 RJ-45 Female RJ-45 Male
-
Use the Quadratic Formula to solve the equation x +22 = 10x x = reduced fractions.) (Separate answers by a comma. Write answers as integers or If the answer contains a radical use sqrt(5) to denote 5...
-
Oct. 31. Declared semiannual dividends of $1.30 per share on the preferred stock and $0.07 per share on the common stock (before the stock dividend). In addition, a 1% common stock dividend was...
-
1 0 Presented here are selected transactions for Niska Inc. during August of the current year. Niska uses a perpetual inventory system. It estimates a return rate of 1 2 % , based on past...
Study smarter with the SolutionInn App