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Program to Create Number Sequence in Java Assignment Solution.

July 08, 2024
Alex Thompson
Alex Thompson
🇺🇸 United States
Java
Alex Thompson is a skilled Java Assignment Expert with 8 years of experience. He completed his Master's degree at Stanford University, USA.
Key Topics
  • Instructions
  • Requirements and Specifications
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Instructions

Objective

Write a program to create number sequence in java language

Requirements and Specifications

program to create number sequence in java
program to create number sequence in java 1

Source Code

PAIR

import java.util.Objects; /** * Generic pair that hold two pieces of data */ public class Pair { private final T fst; private final V snd; public Pair(T fst, V snd) { this.fst = fst; this.snd = snd; } public T getFst() { return fst; } public V getSnd() { return snd; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Pair pair = (Pair) o; return fst.equals(pair.fst) && snd.equals(pair.snd); } @Override public int hashCode() { return Objects.hash(fst, snd); } }

SEQUENCE

import java.util.ArrayList; import java.util.Iterator; import java.util.List; /** * Represents a sequence of Integers. * Backed by a list of integers. * Defines two iterables, one that iterates over the * backing list normally, elementwise. * The other iterates over the list pairwise. */ public class Sequence { private final List sequence; public Sequence(List sequence) { this.sequence = sequence; } public void add(Integer i) { sequence.add(i); } public Integer get(int index) { return sequence.get(index); } public int size() { return sequence.size(); } public Iterable elementWiseIterator() { return new Iterable<>() { @Override public Iterator iterator() { return sequence.iterator(); } }; } /** * Defines a pairwise iterator for the sequence. * Pairwise iteration iterates over the list in pairs. * For example with the following sequence: [1,2,3] * Pairwise iteration would first return (1,2) then (2,3) * then stops. */ public Iterable> pairWiseIterator() { // TODO: Replace return null with your code // Create list of Pairs List> pairs = new ArrayList>(); for(int i = 0; i < sequence.size()-1; i++) { int x = sequence.get(i); int y = sequence.get(i+1); Pair pair = new Pair(x,y); pairs.add(pair); } Iterable> iterable = (Iterable>)pairs; return iterable; } @Override public String toString() { return sequence.toString(); } }

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