Program to find prime number from linked list, JAVA Programming

For this assignment you are provided with a class called LNode which can be used as a list node for a linked list of ints. You are also provided with an abstract class called LList which uses the LNode class. The LList class describes a linked list implementation and contains two implemented methods and five abstract methods.

1. Create a subclass of LList called MyLList

2. Implement all of the abstract methods from LList in your MyLList class

3. Write a class called Sieve which contains two MyLList data variables called seedList and primeList and which implements the simplified Sieve algorithm given below:

Consider the task of finding all prime numbers up to a given maximum number.

Prime numbers are integers that have no factors other than 1 and themselves. The number 2 is the smallest prime number. The sieve of Eratosthenes (named for the Ancient Greek mathematician who devised it) is a classic algorithm for finding prime numbers. The sieve algorithm starts by creating two lists of numbers: one list of numbers (the seed list) to process (some of which may be prime) and another list of numbers (the primes list) which is the list of numbers known to be prime. Initially the seed list of numbers to process contains every number from 2 up to a defined maximum while the primes list is empty, e.g. if the defined maximum is 15 the starting state for the two lists is:

seedList : (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)

primeList : ( )

The sieve algorithm begins by removing the first element from the seed list and adding it the primes list (this number is guaranteed to be prime due to the nature of the algorithm). Next, the algorithm filters out all of the elements in the seed list which are multiples of the prime number which has just been removed.

On the first pass of the algorithm, for example, the number 2 is selected from the seed list and added to the primes list, then all multiples of 2 are removed from the seed list. The lists now look as follows:

seedList : (3, 5, 7, 9, 11, 13, 15)

primeList : (2)

Now the number 3 is at the head of the seed list. On the next pass of the algorithm 3 will be moved to the primes list and all multiples of 3 will be removed from the seed list so that the lists look like:

seedList : (5, 7, 11, 13)

primeList : (2, 3)

The process continues until the seed list is empty at which point the primes list will contain all known primes up to the given maximum as follows:

seedList : ( )

primeList : (2, 3, 5, 11, 13)

4. When your sieve program is run it should prompt the user to enter a maximum value (which must be smaller than 500). It should then run the sieve algorithm (as described above) with the given number as the defined maximum. Finally it should output the contents of the prime list.

A sample run of your program should look as follows:

Enter a maximum value:

Primes list up to 25 is: 2, 3, 5, 7, 11, 13, 17, 19, 23 where 25 is the value entered by the user.

Please use the given naming conventions for your classes and do not make any changes to LNode.java and LList.java

This assignment is worth 10% of your final grade, marks will be allocated as follows:

  • Correctly implementing the MyLList class
  • Correctly handling input and output for the sieve class
  • Correctly implementing the sieve algorithm
  • Structure of code and comments

If you are unclear about any of this information, please ask.

Posted Date: 2/28/2013 4:16:28 AM | Location : United States







Related Discussions:- Program to find prime number from linked list, Assignment Help, Ask Question on Program to find prime number from linked list, Get Answer, Expert's Help, Program to find prime number from linked list Discussions

Write discussion on Program to find prime number from linked list
Your posts are moderated
Related Questions
What is the difference between Internet and Intranet ? Intranet and internet are 2 domains which are extremely a like but frequent segregated in order to manage security. Inter

How many ways are there to call a function in a program? Explain with example? Two Ways of Calling Functions: Functions do not run automatically. While the page loads, every

Want an expert with knowledge of UML diagrams and writing experience for pages writing including diagrams. This project needs 3-4 pages of technical writing about tickets reserv

Want an Android App to be Build What i want is a Taxi App for Android and if good price for iOS too. The App want to have a Website where to add Cars whit all information and

Question 1: a) What is an "Operating System"? b) Describe the four main computer system components. c) Describe and compare "Parallel Systems" and "Distributed Systems

Project Description: I need a new payment gateway of my own. I mean new payment gateway not any integration. So please bid only if you had made a payment gateway former like

Aggregation Composition Aggregation :  An   association   in  which  one  class refers to collection or a another class. This is a part of  a  who

What is Externalizable interface? Externalizable is an interface which have two methods readExternal and writeExternal. These methods give you a control over the serialization

send me the java code for minimum shelf program

Create an application for an animal-fur trimming service. The business is open 15 weeks of the year, from April through July. The fee for a small animal (under 6 pounds) is $100, a