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

Digital Design, Design a serial 2’s complementer with a shift register and ...

Design a serial 2’s complementer with a shift register and a flip-flop

Show the major benefits of microprocessor, Q. Show the Major benefits of mi...

Q. Show the Major benefits of microprocessor? Microprocessor is a complete CPU on a single chip. The major benefits of microprocessor are:  Powerful butCompact; can

What are multidimensional arrays, What are Multidimensional Arrays? Mul...

What are Multidimensional Arrays? Multidimensional array: Multidimensional arrays can be defined as "arrays of arrays". For example, a bidimensional array can be fictional as a

#MyLife, where should I work?

where should I work?

Autonomous rational an agents, Autonomous Rational an Agents: In many ...

Autonomous Rational an Agents: In many cases, it is inaccurate to talk about a single program or a single robot, as the multi-purpose and multi-tasking system of hardware and

What is block scope, What is Block scope Block scope: The variables w...

What is Block scope Block scope: The variables with block scope appear in a block or within the list of formal parameter declarations in a function definition. It is visible

Describe the structure of a neuron - artificial intelligence, 1. Figure 1 b...

1. Figure 1 below shows the truth table for five different functions. Each truth table shows the inputs x1, x2 and the desired output d. (a) Write down which of these functions

What are the facilities of a debug monitor, What are the facilities of a de...

What are the facilities of a debug monitor? The facilities of a debug monitor are given below: a. Setting breakpoints into the program b. Initiating a debug conversation

Calculate print speed of printers, Q. Calculate Print Speed of printers? ...

Q. Calculate Print Speed of printers? Speed at which a printer prints is generally an important issue. Though the printer has to take a certain time to print. Printing time ris

A digital signature, A digital signature is   encrypting information

A digital signature is   encrypting information

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