QUESTION 1What is the problem with the following interface declaration?public interface MenuItem {public double maxPrice = 12;public double getPrice () ;O maxPrice is declared as a double, but its value does not have a decimal pointO It's actually okay -- nothing is wrongO There should be a method implementation for getPrice ()O The getPrice () method has the wrong return typeQUESTION 2Assume that we have a very well balanced binary search tree, i.e., a tree that has roughly the same number of right and left child nodes. What is the run time associated with searching for a value in this tree?O O(log n)O o(n?)O O(n)O O(n * log n)QUESTION 3A Java Predicate LambdaO accepts one or more parameters and returns a boolean valueO accepts a single parameter and returns a boolean valueO accepts a single parameter, but does not return a valueO does not have a return type

Q1. Answer : it's actually okay -- nothing is wrong

Answered: QUESTION 1 What is the problem with the…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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I need help fix this Java code described below so that it can be followed in the image below package classPackage; import interfaces.RatInterface; public class Rat implements RatInterface { private int ratEnergy = 5; @Override public String move() { // TODO Auto-generated method stub returnnull; } @Override publicint getAliveState() { // TODO Auto-generated method stub return 0; } @Override publicvoid refresh() { ratEnergy = 5; } @Override publicvoid wearDown() { ratEnergy -= 1; } @Override public String getId() { // TODO Auto-generated method stub returnnull; } }
True or False? Interface can be used to store a common method implementation.
write the definition of a class Counter containing: an instance variable counter of type int, initialized to 0 a method called increment that adds one to the instance variable counter. It does not accept parameters or return a value a method called get_value that doesn't accept any parameters. It returns the value of the instance variable counter. using python
Which is true? Group of answer choices A class can implement multiple interfaces A class can inherit from multiple classes A class can implement only one interface An interface can implement multiple classes
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Which of the following cases is most like the strategy pattern? A. If you have an interface called Duck, and have many ducks that implement the duck interface. All of these ducks must have the behaviour “quack” but for some ducks, like a Mallard, this must result in a quack, where for a rubber duck it must result in a squeak. We decide to delegate the quack method to another interface, which can be implemented either in a concrete class that returns a quack or a concrete class that returns a squeak. B. If we have an interface called Duck. We need to give an object to a user that can quack like a duck. All we have is Turkeys. We create a special class that implements the duck interface, and to implement the quack method we simply call the turkey’s gobble method. C. None of these are like the strategy pattern. D. We have a large collection of Ducks. We want to look at them one by one and hear them quack. We write a piece of code that iterates through them all, and as we encounter…
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