In C/C++, pointers are employed. Why don't pointers exist in Java?

Q: Write a C++ program to calculate a rectangle's area. The program consists of the following function:…

A: It ask user to enter length and width  Then it return the area of rectangle along with length and…

Q: Explain how to check for an invalid input number and prevent it being used in a program. You may…

A: Inputs the numbers from the user's and check if the numbers is a digits or not using isdigit() . If…

Q: Provide two benefits of implementing virtualization on a network as a networking technology.

A: The answer is provided below.

Q: Write a Python program that reads a word and prints all substrings, sorted by length, or an empty…

A: Python Substring: A substring is a part of a string. Python offers a variety of techniques for…

Q: with regards to working systems, what are the important thing roles that they carry out?

A: Work device has been used loosely in lots of areas. This article issues its use in knowledge…

Q: Suppose a user employs one-time passwords as above (or, for that matter, reusable passwords), but…

A: Password authentication may be prone to many attacks, such as replay attacks. One of the strategies…

Q: Which command is used to list the contents of the current working directory including the hidden…

A: option a  Ls-a

Q: What are the four main components of any general-purpose computer?

A: Introduction: The CPU, or Central Processing Unit, is the "brain" of the computer. Using numerous…

Q: s it possible to not use peek()? Please help me with method that doesn't have peek()

A: In this question we will continue the previous question solution where, we have to replace peek()…

Q: Imagine a CDN configured as a caching hierarchy, with end users accessing content from edge caches,…

A:

Q: Depicted below are sample outputs when the program is execut characters are input from the user,…

A: I have code it in JAVA: The program is written in Java. Please find the program and output in the…

Q: Which two types of file access are available worldwide? Exactly how do these two vary from one…

A: In the given question A file access can control access to data in specified tables and columns, or…

Q: f Which of the following expressions represent to Language L= {xe {0,1}|x is of length 3 or less} O…

A:

Q: Character P is encoded as 1010000 in a computer. Usually, a parity bit will be sent together with a…

A: Given: A character P is encoded with 101000. In this question, we are asked to find the odd parity…

Q: What are the four main components of any general-purpose computer?

A: The general purpose computer is the one that ,given the appropriate application and the required…

Q: One feature of the existing DNS.com hierarchy is that it is extremely wide. (a) Propose a more…

A: Domain Name System (DNS) : The Domain Name System (DNS) is a hierarchical organisation of computers…

Q: Describe the hardware, software, and communications technologies that comprise the basis of…

A: Start: Information Technology (IT) is the foundation of the computer, which allows it to store,…

Q: In main.py define the Product class that will manage product inventory. Product class has three…

A: Introduction In main.py define the Product class that will manage product inventory. Product class…

Q: #What is the output when the following is executed? 2 for x in range (1, 6): for y in range (x):…

A: Given python program is: for x in range(1, 6):    for y in range(x):        print(x, end='')…

Q: What is meant by the term ‘client-server architecture’ and what are the advantages of this approach?…

A: Client-server architecture: It is a computational model in which several elements cooperate.

Q: eed help Draw an ER diagram for the following scenario: A designer has a store of designer dresses…

A: ER diagram:

Q: text-based setting, like the command line?

A: 1) The user or the programmer The commands determines the order in which things to happen. But these…

Q: Will AI replace software engineers in the next 30 years?  References in harvard style and in text…

A: According to recent reports on AI and its breakthroughs, this technology's advancements and its…

Q: The ENIAC was a decimal machine, where a register was represented by a ring of 10 vacuum tubes. At…

A:

Q: What is Onion network?

A: In the given question onion is a special-use top level domain name designating an anonymous onion…

Q: Home Page Checker Bonus Question: Compound Random experiment: Flip a penny, draw a marble from a bag…

A: The above question is solved in step 2 :-

Q: i. total (X,Y,Z) where z is the total of the first two arguments. Use predicate total/3. Sample…

A: The above question is solved in step 2 and step 3 :-

Q: which of the following is true? W O L(0*1* )=L( (0*1* )* ) OL((011)* )=L( (0*1*)) OL((01110)*…

A: Find the correct statement from given options.

Q: How crucial is software development? Four more characteristics, in your opinion, should be…

A: Introduction:  Software development's ability to create and provide value to its users cannot be…

Q: how virtual machine provide disaster recovery in large scale computing?

A: Disaster recovery is a concept that asks, "How can an organisation survive and respond to a wide…

Q: What is information. Explain types of information.

A: The answer is provided below.

Q: There are 5 shirts all of different colors, 4 pairs of pants all of different colors, and 2 pairs of…

A: Here in this question we have given that we have 5 shirts , 4 paints , 2 pairs of shoes and we have…

Q: Describe the hosting methods for network services and applications based on the cloud.

A: Describe the hosting methods for network services and applications based on the cloud. Answer:…

Q: Solve step by step in digital format XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Prove…

A: Solution - As we know rational number are writen in form of p/q whereas q!= 0. First we will check…

Q: What Is A Symbol Table?

A: Solution - In the given question, we have to tell what is a symbol table.

Q: 5. a) Assume that you want to set up simple Local Area Network (LAN) to connect 5 workstations to 2…

A: As per the guidelines we have given answer for the first question. Here we have given the possible…

Q: Suppose host A reaches host B via routers R1 and R2: A-R1-R2-B. Fast retransmit is not used, and A…

A:

Q: What are the four main components of any general-purpose computer?

A: The ''control unit'', ''arithmetic logic unit'', ''memory'', and the ''input and output'' components…

Q: What, in general terms, is the distinction between computer organization and puter architecture?

A: According to the information given:- We have to differentiate between computer organization and…

Q: In hashmap methods are synchronized or not?

A: Hashmap is used in programming language.

Q: What is Onion network?

A: ANSWER:

Q: If a periodic process in the on-board train protection system is used to collect data from the…

A: The correct answer for the above question is given in the following steps for your reference.

Q: A control's property governs whether or not it is shown on the form during runtime, much like with…

A: Attribute Control : Attribute Control Charts are a gathering of control diagrams expressly made for…

Q: What is information. Explain types of information.

A:

Q: What, in general terms, is the distinction between computer organization and puter architecture?

A:

Q: (In java please) ( NO TOY CLASS PLEASE READ INSTRUCTION OR DOWN VOTE PLEASE LOOK AT TWO IMAGES BELOW…

A: LinkNode.java public class LinkNode {      private Toy data=null;      private LinkNode next;…

Q: Describe the development of a programming language.

A: The primary building block of today's technological environment is the programming language. The…

Q: Suppose we have a very short secret s (e.g., a single bit or even a Social Security number), and we…

A: Suppose we have a very short secret and we wish to send someone else a message m now that will not…

Q: One of the central problems faced by a protocol such as MIME is the vast number of data formats…

A: MIM RFC   Multipurpose Internet Mail Extension (MIME) is a protocol that is developed to enhance the…

Q: Give a succinct explanation of the differences between short-, medium-, and long-term scheduling…

A: Following are the differences between short term , medium term and long term scheduling alternative…

Stack operations

A stack is a linear data structure that follows certain order to perform the operation; the order will be LIFO (Last In First Out) data structure. In the stack data structure elements/items are removed and added only from the top. The topmost stack item/element is pointed by the top pointer and the element which is added to the stack first will get deleted at the last.