22:
Answer : Instance Fields
object is known as class instance and attributes are known as Instance Fields
23:
Answer : The reference of the object
while invoking a method we should pass the reference of that object
java Selected Answer: f2.i is 1 2.s is 2 estion 22 When an object is created,...
Java / Generic Programming When an iterator is created, what element will be removed if the "remove" method is called right away? * The first one * None-remove is not allowed to be called right way * None-remove will throw a NoSuchElementException. * The last one. What is an advantages of using "enhanced for loops" rather than explicitly using iterators? * It generates faster code. * It can handle generic containers. * It doesn't misbehave if the collection changes during...
For Java, 1. What is an abstract method? How is an abstract method created? 2. What is an abstract class? 3. Can an object of an abstract class be instantiated? 4. Does a superclass have access to the members of subclass? Does a subclass have access to the members of the superclass? 5. How do you prevent a subclass from having access to a member of a superclass? 6. Given the following hierarchy: class Alpha{ … class Beta extends Alpha...
1. When a sub class object is created, when is the call to the super class constructor made? How does a programmer call the super class constructor from the sub class? What do all classes indirectly extend? What methods does every class inherit from the Object class? 2. When writing methods in a sub class, how can those methods call the methods from the parent class? 3. Which class is more specific, a super class or a sub class? 4. ...
Java object lifecycle: Describe the lifecycle of the objects created within the method listed below. Discuss whether this program (assume that this method is embedded in a class) will fail with an out of memory error. And Explain when a stack overflow error can occur in Java, using an example program. public static void main(String[] args) throwsException { java.util.Set set = new java.util.HashSet(); while(set.size()>-1) { set = new java.util.HashSet(); Thread.sleep(1000); // wait 1 s for (int i=0;i<1000000;i++) { set.add(newObject()); } ...
Good afternoon, I need assistance find the correct answer to the following multiple-choice questions to an entry-level Java assignment as I am confused about how to find it. Thank you! Q6 Method squareX is supposed to return the value of class attribute "x" squared, but I messed up :(. What did I overlook? 2 Points class Final private double x; public double squarex() { double x = Math.pow (X, 2); return x; } Variable occlusion O Variable shadowing Method overloading...
I Need Help with this using Java Programming : Class name fname lname Class variable total Number Constructor (no arguments) Constructor (takes two arguments, fname and lname) One getter method to return the fname and lname One setter method for fname and lname Inside Main: Create three objects with the following names Jill Doe John James Jack Smith When creating the first object (Should not be an anonymous object) use the argument-less constructor Then use the setter method to assign...
JAVA I. Using the Event Class created previously, create an array of objects; II. Demonstrate passing array reference to a method; III. Demonstrate creating array of objects that prints out only x 0.0 for all objects. PROJECT 5C - ARRAYS Create a new file called " EventArray5C". There are some "challenging" directions in this project. . 1.Prepare a document box (tell me that task(s) the application is to accomplish, how it will accomplish the tasks, the author of...
Create a simple Java class for a Month object with the following requirements: This program will have a header block comment with your name, the course and section, as well as a brief description of what the class does. All methods will have comments concerning their purpose, their inputs, and their outputs One integer property: monthNumber (protected to only allow values 1-12). This is a numeric representation of the month (e.g. 1 represents January, 2 represents February,...
This is a Java programming assignment and I want help with the Time class. See below for assignment details: For this question you must write a java class called Time and a client class called TimeClient. The partial Time class is given below. (For this assignment, you will have to submit 2 .java files: one for the Time class and the other one for the TimeClient class and 2 .class files associated with these .java files. So in total you...
JAVA program. I have created a game called GuessFive that generates a 5-digit random number, with individual digits from 0 to 9 inclusive. (i.e. 12345, 09382, 33044, etc.) The player then tries to guess the number. With each guess the program displays two numbers, the first is the number of correct digits that are in the proper position and the second number is the sum of the correct digits. When the user enters the correct five-digit number the program returns...