Create an Generic type array list with the following methods
public void addFirst(T item)
public void addLast(T item)
public String toString()
public T removeFirst()
public T removeLast()
public T get(int index)
Answers
To create a generic type array list with the given methods, we need to follow these steps:
Step 1: Create a class named GenericArrayList and define a generic array list inside it. We will be using the ArrayList class provided by Java.
Step 2: Define the methods addFirst, addLast, removeFirst, removeLast, and get inside the GenericArrayList class.
Step 3: Define the toString method to return a string representation of the array list.
Step 4: Implement the methods according to their functionality. Here's the complete implementation of the GenericArrayList class:
public class GenericArrayList { private ArrayList arrayList; public GenericArrayList() { arrayList = new ArrayList(); } public void addFirst(T item) { arrayList.add(0, item); } public void addLast(T item) { arrayList.add(item); } public T removeFirst() { return arrayList.remove(0); } public T removeLast() { return arrayList.remove(arrayList.size() - 1); } public T get(int index) { return arrayList.get(index); } public String toString() { return arrayList.toString(); }}
Here's how you can use the methods of the GenericArrayList class:
GenericArrayList arrayList = new GenericArrayList();
arrayList.addFirst("Hello");
arrayList.addLast("World");
System.out.println(arrayList.toString());
// [Hello, World]arrayList.removeFirst();System.out.println(arrayList.toString());
// [World]arrayList.removeLast();System.out.println(arrayList.toString());
// []System.out.println(arrayList.get(0));
// Throws an exception: IndexOutOfBoundsException
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Related Questions
Will give brainleist if right
Answers
Explanation:
8. false
9. red
10. false
hope it helps!
chelsea is a hacker who befriends adele mccain over lunch at the cafeteria. adele is the senior associate of spandangle ltd., a private law firm based in alabama. chelsea manages to successfully guess adele's password to a sensitive database in the law firm. what kind of password attack did she use?
Answers
In this scenario, Chelsea is a hacker who has managed to guess Adele McCain's password to a sensitive database in the private law firm Spandangle Ltd.
It is important to note that there are various types of password attacks that hackers can use to gain unauthorized access to accounts and databases. In this case, it is not explicitly mentioned which type of password attack Chelsea used to guess Adele's password. However, it is possible that she may have used a brute force attack, a dictionary attack, or a social engineering attack, among others. Without more information, it is difficult to determine the exact type of password attack that Chelsea used to guess Adele's password. However, it is clear that she was successful in her attempt to gain unauthorized access to the sensitive database. It is important for individuals and organizations to be vigilant and take appropriate measures to protect their passwords and sensitive information from such attacks.
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Which of the following is true regarding computer science?
O Jobs in this field are limited.
OIt only involves writing code.
OIt involves more than just writing code.
O Only a programmer can work in this field.
Answers
The true statement regarding computer science is - "It involves more than just writing code." (Option c)
How is this so?Computer science is a multidisciplinary field that encompasses various areas such as algorithms, data structures,software development, artificial intelligence, cybersecurity, computer networks, and more.
While coding is a fundamental aspect,computer science involves problem-solving, analysis, design, theoretical understanding, and application of computing principles.
It offers a wide range of career opportunities beyond programming, including research,system analysis, data science, and technology management.
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Plz help meeeeee QUICKLY!!! WORTH 15 POINTS!
Answers
Answer:
Im pretty sure Domain name system but dont trust me
Explanation:
OPERATION SHEET 6.2.2 Given the Neccesary tools materials and equipment identify the common faults and errors of computer when you detached the following Keyboard-PS/2 Mouse-PS/2 Hard disk- IDE cable Floppy disk drive-IDE cable Room disk-IDE CABLE
Answers
Answer: NO MORE TYPING! NO MORE CLICKING! NO MORE MEMORY! NO MORE OPERATING!
What are the name of these tools?
Answers
saw.
hammer.
cultivator.
ladder.
file.
mallet
Which is true regarding a problem statement? It provides a vision of the unsolved problem. It is not usually necessary for a successful software development effort. It describes how to increase profits and decrease expenses. It clearly describes the issues that contribute to a problem.
Answers
Answer:
It provides a vision of the unsolved problem
Explanation:
Answer:
It clearly describes the issues that contribute to a problem.
Explanation:
A problem statement clearly describes the issues associated with a problem and the method for solving the problem.
to see how some of the hosts on your network react, winston sends out syn packets to an ip range. a number of ips respond with a syn/ack response. before the connection is established he sends rst packets to those hosts to stop the session. winston has done this to see how his intrusion detection system will log the traffic. what type of scan is winston attempting here?
Answers
Winston is attempting a SYN scan, which is a type of network reconnaissance technique used to identify open ports on a target network.
What type of scan is Winston attempting by sending syn?Winston is attempting a SYN scan, which is a type of network reconnaissance technique used to identify open ports on a target network.
In a SYN scan, the attacker sends SYN packets to a range of IP addresses and waits for SYN/ACK responses from hosts that have open ports.
Once a response is received, the attacker sends a RST packet to close the session before the connection is established.
This technique allows the attacker to determine which ports are open without completing the three-way handshake required to establish a connection, which makes it difficult to detect.
Winston is using this technique to test his intrusion detection system's ability to log such traffic.
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How do i fix this? ((My computer is on))
Answers
Answer:
the picture is not clear. there could be many reasons of why this is happening. has your computer had any physical damage recently?
Answer:your computer had a Damage by u get it 101 Battery
and if u want to fix it go to laptop shop and tells him to fix this laptop
Explanation:
A time-saving strategy that helps define unfamiliar words involves using
familiar words for clues.
the dictionary for clues.
online resources.
reference books.
Answers
The correct answer is A. Familiar words for clues
Explanation:
Finding unfamiliar words is common while reading, especially in texts that belong to a specific field such as medicine, technology, etc. This can be handled through multiple strategies such as using a dictionary, guessing the meaning of the word based on its parts, and using context clues.
In this context, one of the easiest and most time-saving strategy is the use of context clues that implies using the familiar words as clues to guess the meaning of an unfamiliar word. This is effective because in most cases the meaning of an unknown word can be determined using the context of the word or words around the unknown word. Also, this strategy takes little time because you only need to analyze the sentence or paragraph where the unknown word is. Thus, the time-saving strategy to define unfamiliar words involves using familiar words for clues.
Answer:
A is correcto mundo
Explanation:
Juliana works for a furniture company. She is in charge of moving raw materials, packaging and information from suppliers to her company's production facilities. Her duties focus on supply side logistics. inbound logistics. freight management. materials management.
Answers
Juliana works for a furniture company where she handles the movement of raw materials, packaging, and information from suppliers to the production facilities. Her primary focus is on the supply side logistics and inbound logistics of the company.
Juliana's job responsibilities revolve around managing the transportation of raw materials and packaging materials from suppliers to the company's production facilities. She ensures that all the necessary materials and information are available at the production facilities, enabling the smooth functioning of the production process. Juliana is responsible for managing freight, ensuring timely delivery of raw materials, and optimizing the supply chain to reduce costs and improve efficiency. Her duties also involve managing the inventory levels and ensuring that the company has adequate supplies of raw materials to meet production demands. In conclusion, Juliana's job role as a supply side logistics and inbound logistics manager is crucial to the smooth functioning of the furniture company. She manages the movement of raw materials and packaging from suppliers to the production facilities and ensures that all necessary information is available. Juliana's expertise in freight management and materials management is vital to the company's success, as she helps to optimize the supply chain and reduce costs. Overall, Juliana's contribution is instrumental in ensuring that the production process runs efficiently and the company meets its production targets.
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A hacker is viewing information that passes along a network line for the purpose of gathering information. This is called?
Answers
In order to obtain information, a hacker is seeing data as it travels through a network line. This is called sniffing. The correct option is a.
What is sniffing?In terms of network security, a sniffing attack entails the theft or interception of data through the use of a packet sniffer to record network traffic.
A hacker is a person who attacks or stole pieces of information illegally. They catch the line system of the computer, and they hack software, money, or data.
Thus, the correct option is a. Sniffing.
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The question is incomplete. Your most probably complete question is given below:
a. Sniffing
b. Spoofing
c. Hijacking
d. Impersonation
Do all careers or professions need computer science? Why or why not?
Answers
Answer:
Most careers or professions need computer science
Explanation:
As humanity is improving technological wise most jobs will be replaced and other jobs would come into play and in order for individuals to become employed in jobs that will be available in the future to come they will have to have a degree in computer science or know how to operate computers.
Answer:
No not all careers and professions require computer science
Explanation:
There are so many careers, many in which you may not sit in front of a computer. If you become a farmer, janitor, teacher or more you may not need computer science skills.
computing systems need cache because a) accessing main memory is slow and cache speeds it up. b) register access is slow and cache speeds it up. c) main memory is expensive and cache offsets the cost. d) all of the about.
Answers
Cache is necessary in computing systems because main memory access is slow and is sped up by cache. Out of the available options, this is the one you should have chosen.
What does a CPU cache do?Copies of the data from frequently accessed main memory regions are kept in the cache, a more compact and quick memory. A CPU contains a number of independent caches that store data and instructions. It is a kind of memory where information is accepted and saved that is immediately stored in the CPU.
What distinguishes cache memory from main memory?Cache reduces the cost of main memory, which is costly. Cache speeds up main memory access, which is slow.
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pdf effect of treatment with methylprednisolone on the serum levels of il-12, il-10 and ccl2 chemokine in patients with multiple sclerosis in relapse
Answers
The study examines the effect of treatment with methylprednisolone on the serum levels of IL-12, IL-10, and CCL2 chemokine in patients with multiple sclerosis experiencing relapse. The aim is to investigate the impact of methylprednisolone therapy on the levels of these immune-related molecules in the context of relapsing multiple sclerosis.
This study focuses on evaluating the effect of methylprednisolone treatment on specific immune markers in patients with relapsing multiple sclerosis. The three immune markers of interest are IL-12, IL-10, and CCL2 chemokine. IL-12 is a pro-inflammatory cytokine involved in the activation of immune responses, while IL-10 is an anti-inflammatory cytokine known for its immunosuppressive effects. CCL2 is a chemokine that plays a role in immune cell recruitment and inflammation.
The objective of the study is to assess how treatment with methylprednisolone influences the serum levels of IL-12, IL-10, and CCL2 chemokine in patients experiencing relapse of multiple sclerosis. The researchers may conduct experiments involving a group of patients receiving methylprednisolone therapy while monitoring changes in the levels of these immune markers. Serum samples collected from patients at different time points (before and after treatment) are likely to be analyzed using laboratory techniques such as enzyme-linked immunosorbent assay (ELISA) or other quantitative methods to measure the concentrations of IL-12, IL-10, and CCL2.
The findings of the study will provide insights into the impact of methylprednisolone treatment on the immune profile of patients with relapsing multiple sclerosis. Understanding the effects of this therapy on immune markers such as IL-12, IL-10, and CCL2 may contribute to a better understanding of the underlying immunological processes associated with relapses and guide treatment approaches for multiple sclerosis.
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In two to three sentences, describe some techniques you could use to save time when working with a spreadsheet.
Answers
Answer: Everything is neatly organized on a spreadsheet so that you can access information faster. You can use features like shortcuts and auto-fill for you to save time.
Explanation:
Imagine that you were hired to create the label for a new brand of soup. The client wants to emphasize that the soup has homemade flavor. Describe the tools and specific elements that you would use to create this image.
plz help
Answers
Answer:
Explanation:
For tools, I would simply use Adobe Photoshop to create the label/poster for the brand of soup. In order to make the poster or representation of the soup look homemade, I would place a picture of a kid drinking the soup at a kitchen table with a picture of the mom in the background kitchen. Then I would create a light yellowish tint in the image and steam coming from the soup bowl. This would help the brand represent a form of memory to a delicious homemade meal by a parent.
1-5 Safety measures in the use of kitchen tools and equipment.
Answers
Answer:
Safety measures are as follows;
Explanation:
Hold the delicate instruments cautiously to use them.Require appropriate use of the equipment in the kitchen.Users should remove these defective instruments or discard of them.During and before use, check that perhaps the resources that will be used are indeed safe.In a cold and dry spot, all equipment must be kept.The __________ holds the data in the HDFS and the application connects with the __________ to send and retrieve data from the cluster.
Answers
The DataNode holds the data in the HDFS, and the application connects with the NameNode to send and retrieve data from the cluster.
The Hadoop Distributed File System (HDFS) is a distributed file system that stores data across multiple machines in a Hadoop cluster. In HDFS, data is divided into blocks and replicated across several nodes in the cluster for fault tolerance. The component that holds the data in the HDFS is called the DataNode. Each DataNode is responsible for storing data in its local file system and serving read and write requests from clients. When a client wants to read or write data, it communicates with the DataNode that has a copy of the data. The component that the application connects to send and retrieve data from the HDFS is called the NameNode. The NameNode is the master node in the HDFS that manages the file system namespace and the metadata about the data stored in the cluster. The NameNode keeps track of which blocks of data are stored on which DataNodes and coordinates data access requests from clients.
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You have begun a new project and want to keep all of the work you're doing on the project in its own directory. You will create a new directory within the my documents folder. How do you create the new directory?.
Answers
The new directory is created Click on the New Folder icon in the File menu.
This is because creating a new folder using the New Folder icon from the File menu, is the most efficient and organized way to create a new directory. It ensures that the new folder is placed in the correct location, and it is also the easiest way to create a new directory.
The Benefits of Creating a New Directory with the New Folder Icon
This method ensures that the new folder is placed in the correct location, which can help avoid confusion and clutter. Additionally, this method is the easiest way to create a new directory, as it only requires a few clicks and no manual data entry.
Using the New Folder icon also allows users to quickly create multiple new folders. This can be especially useful when organizing data, as users can easily create multiple directories with different titles to store different types of data.
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how is advertisement integrated with web search? group of answer choices the user's query goes both to the search engine and the ad engine; the search engine retrieves the most relevant results, the ad engine uses an auction system on the query words. the user's query goes both to the search engine and the ad engine, and both retrieve the most relevant results/ads regardless of any auction system. the user's query goes both to the search engine and the ad engine; the search engine retrieves the most relevant results, the ad engine retrieves the ads on a round-robin basis.
Answers
In the present world, digital marketing has become an integral part of almost all businesses and organizations. Advertising is one of the most effective digital marketing techniques used by companies to promote their products and services. It helps businesses reach out to their target audience, create brand awareness, and increase sales.
Advertising has now become integrated with web search. When a user searches for a query on the internet, the user's query goes to both the search engine and the ad engine. The search engine retrieves the most relevant results based on the user's search query, while the ad engine retrieves the ads that match the search query.
The ad engine uses an auction system to select the most appropriate ad to display to the user based on the query words. This auction system determines the placement of ads on the search engine result page.The ad engine's auction system is based on a few factors like the relevance of the ad to the search query, the ad's quality, and the bid amount placed by the advertiser.
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Which of the following takes place during the research phase? (choose all that apply)
software requirements are gathered
software requirements are implemented in code
software requirements are analyzed
software requirements are detailed in a specification document
Answers
Answer:
a
c
d
Explanation:
Answer:
A and D
Explanation:
Edge 22
Write a Java program that has CSET as the super class.The CSET super class has the following attributes:course name (e.g OOP), course code (e.g. CSETXXX), course grade (e.g. A). The CSET super class has two subclasses: CSET 1200and CSET 3600. The subclasses inherit attributes fromthe superclass but also have an attribute for name ofstudent. They also implement their own methodsof calculating the GPA based on the grade(s). Of course, you need to have a client class to test thetwo classes. Here is a sample output:Name: Jane DoeCourse Names: OOP, Software EngineeringCourse Codes: CSET1200, CSET3600Course Grades: A, A.GPA:4.0
Answers
The given Java program demonstrates class hierarchy with superclass `CSET` and subclasses `CSET1200` and `CSET3600`. It outputs student name, course names, course codes, course grades, and the GPA for `CSET1200`.
Here is a Java program that demonstrates the class hierarchy and provides the desired output:
```java
class CSET {
protected String courseName;
protected String courseCode;
protected String courseGrade;
public CSET(String courseName, String courseCode, String courseGrade) {
this.courseName = courseName;
this.courseCode = courseCode;
this.courseGrade = courseGrade;
}
public String getCourseName() {
return courseName;
}
public String getCourseCode() {
return courseCode;
}
public String getCourseGrade() {
return courseGrade;
}
}
class CSET1200 extends CSET {
private String studentName;
public CSET1200(String courseName, String courseCode, String courseGrade, String studentName) {
super(courseName, courseCode, courseGrade);
this.studentName = studentName;
}
public double calculateGPA() {
// Custom calculation for CSET1200 GPA based on course grades
// Implement your own logic here
return 4.0; // Sample calculation
}
public String getStudentName() {
return studentName;
}
}
class CSET3600 extends CSET {
private String studentName;
public CSET3600(String courseName, String courseCode, String courseGrade, String studentName) {
super(courseName, courseCode, courseGrade);
this.studentName = studentName;
}
public double calculateGPA() {
// Custom calculation for CSET3600 GPA based on course grades
// Implement your own logic here
return 4.0; // Sample calculation
}
public String getStudentName() {
return studentName;
}
}
public class Main {
public static void main(String[] args) {
CSET1200 cset1200 = new CSET1200("OOP", "CSET1200", "A", "Jane Doe");
CSET3600 cset3600 = new CSET3600("Software Engineering", "CSET3600", "A", "Jane Doe");
System.out.println("Name: " + cset1200.getStudentName());
System.out.println("Course Names: " + cset1200.getCourseName() + ", " + cset3600.getCourseName());
System.out.println("Course Codes: " + cset1200.getCourseCode() + ", " + cset3600.getCourseCode());
System.out.println("Course Grades: " + cset1200.getCourseGrade() + ", " + cset3600.getCourseGrade());
System.out.println("GPA: " + cset1200.calculateGPA());
}
}
```
This program defines a superclass `CSET` with attributes for course name, course code, and course grade. It also defines two subclasses `CSET1200` and `CSET3600` that inherit from the superclass and add an attribute for the name of the student. The subclasses override the `calculateGPA` method to provide their own GPA calculation logic.
In the `Main` class, we create instances of `CSET1200` and `CSET3600`, set their attributes, and then print the desired output based on the provided sample.
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1. Keisha is in her first semester of college and is taking 10 credit hours: ACA 122, CIS 110, PSY 150, and developmental math. She never tried very hard in high school but still managed to graduate with a 3.0 GPA. She's doing well in her classes, except for CIS 110 and PSY 150. Both regularly have multiple-chapter reading assignments. In PSY 150, she's failed her first test and all three of her quizzes. In CIS 110, she hasn't had a test yet, but she feels completely lost. She's frustrated with the classes. She blames her instructors for not teaching well and is thinking about dropping the classes. Based on this chapter, what advice would you give to Keisha to help her with her problems?
Answers
The advice is that she should not give up and that she should relax, and think of the time she comprehend more and then start to read. Another is to hire a private tutor to help or put her through.
What does a private tutor do?A private tutor is known to be a person who is a specialist that has been trained in helping students known more and take in the concepts and details of any given course work.
Therefore, The advice is that she should not give up and that she should relax, and think of the time she comprehend more and then start to read. Another is to hire a private tutor to help or put her through and she will pass her exams in flying colors.
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Which of these would make text on a slide difficult to read?
Ohigh contrast between text and background
Olow contrast between text and background
O a sans serif font
O a large font when the presentation is in a large room
Answers
Help again. :,(
My 2nd semester is harder than last, either it’s hard for me to remember stuff or I’m just non-smart. :^
Answers
Answer: C
Explanation: that just seems like the write one
individual mental blocks may cause option
A pache option
B negative attitude option
C visual preposition
Answers
B. negative attitude option
After a programmer plans the logic of a program, the next step is to __________
Answers
Following the planning of a program's logic by a programmer, the program is coded. Programming enables users to create computer code, apps, and websites. Programming is defined as the process of writing instructions for computers using computer languages.
Computer code is used to code the websites, apps, and other technologies with which we interact daily.Many of the finest tech jobs necessitate the ability to code.Therefore, the final answer is "Coding the Program ".
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escribe un texto argumentativo donde expreses tu opinión acerca del acoso cibernético
Answers
El acoso cibernético es uno de los problemas menos tratados por la sociedad y a la vez uno muy recurrente. Este tipo de acoso rastrea a la persona a través de redes sociales y la investiga con fines degradantes para el afectado, sin embargo, para prevenir este se deben tomar medidas de seguridad como no compartir toda tu vida en el internet y así evitar estos casos que generalmente terminan con abuso sexual o secuestro.
Similarities between master file and reference file
Answers
Explanation:
What is a master file?
A collection of records pertaining to one of the main subjects of an information system, such as customers, employees, products and vendors.
What is a reference file?
A reference file is a type of overlay