padovan string, Computer Engineering

Assignment Help:

how to write this program,what are the declaration and function are needed in java

program in java

// aakash , suraj , prem sasi kumar kamaraj college
program 1 :

package test.padovanstring;

public class PadovanString {
    public int stringOccurrences(int n, String str){
   
    if(n >= 40)
    return -1;
    if(str.replaceAll("X|Y|Z","").length()>0)
    return -1;
    String res=pad(n);
    return(res.length() - res.replaceAll(str,"").length())/(str.length());
    }
public String pad(int n){
    if(n == 0) return "X";
    if(n == 1) return "Y";
    if(n == 2) return "Z";
    else return pad(n-2) + pad(n-3);
   
}
    public static void main(String []args)
    {
        PadovanString p = new PadovanString();
        System.out.println(p.stringOccurrences(21,"YZ"));
    }
}

 

 

 

Program set 2 :

import java.util.Scanner;

import java.util.ArrayList;

 

public class PadovanSeries

{

    public static void main(String[] arg)

    {

        Scanner read = new Scanner(System.in);

        System.out.println("Enter starting no. : ");

        int start = read.nextInt();

        System.out.println("Enter ending no. : ");

        int end = read.nextInt();

        int[] ans = getSeries(start, end);

        System.out.println("Padovan series : ");

        for (int a : ans)

            System.out.print(a + " ");

    }

 

    public static int[] getSeries(int s, int e)

    {

        ArrayList list = new ArrayList();

        int i, j = 0;

        for (i = s; i <= e; i++, j++)

            list.add(getPadovan(i));

        int[] ans = new int[j];

        for (i = 0; i < j; i++)

            ans[i] = list.get(i);

        return ans;

    }

 

    public static int getPadovan(int p)

    {

        if (p == 0 || p == 1 || p == 2)

            return 1;

        return (getPadovan(p - 2) + getPadovan(p - 3));

    }

}

 

Padova


Related Discussions:- padovan string

What is a system call, What is a system call? A  system  call  is  a  r...

What is a system call? A  system  call  is  a  request  made  through  any  program  to  the  operating  system  for performing tasks, picked by a predefined set, that the said

Eight-stage process - conjunctive normal forms, Eight-stage process - Conju...

Eight-stage process - Conjunctive normal forms: Hence we notice the following eight-stage process converts any sentence with CNF as:  1.  Eliminate all arrow connectives by

How to create a rollover image, Q. How to Create a Rollover Image? A ro...

Q. How to Create a Rollover Image? A rollover image is an image whose display changes when pointer passes ('rolls') over it. You will use Dreamweaver's Insert Rollover Image co

What is a switchboard, What is a switchboard A switchboard is only a f...

What is a switchboard A switchboard is only a form with command button that open other switchboard or perform tasks like opening forms and printing reports. Switchboard is a t

Define the example client-server implementations, Define the Example Client...

Define the Example Client-server Implementations Once you accept the client-server mindset, the process of architecting and developing applications becomes rather easy. Clearly

Sort Wars, If quicksort is so quick, why bother with anything else? If bubb...

If quicksort is so quick, why bother with anything else? If bubble sort is so bad, why even mention it? For that matter, why are there so many sorting algorithms?

Explain vector processing with pipelining, Vector Processing with Pipelinin...

Vector Processing with Pipelining Because in vector processing vector instructions execute the similar computation on various data operands repeatedly, vector processing is the

Execution of a full instruction - computer architecture, Execution of a ful...

Execution of a full Instruction: Regard as the instruction: Add (R3), R1 Executing this particular instruction needed the below described actions: a) Fetch the

When should the method invokelater() be used, This method is used to make s...

This method is used to make sure that Swing components are updated by the event-dispatching thread.

Introduction to the sorted arraylist, Consider  a  collection  class  that ...

Consider  a  collection  class  that  is  similar  to  the ArrayList  class,  except  that  elements  are sorted in a certain order. We will call this class SortedArrayList. This c

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd