Create a Program to Implement Package Explorer in Java Assignment Solution

Instructions

Objective

Write a program to implement package explorer in java language.

Requirements and Specifications

Source Code

package model; // A bedroom, office, etc. public class Unit { private String function; private double width; private double length; private String unit; // Create a unit in square feet public Unit(String function, int width, int length) { this.function = function; this.width = width; this.length = length; unit = "feet"; } // Convert from feet to meters or vice-versa public void toogleMeasurement() { if (unit.equals("feet")) { // Convert feet to meters width *= 0.3048; length *= 0.3048; unit = "meters"; } else { // Convert meters to feet width *= 3.28084; length *= 3.28084; unit = "feet"; } } // Return the current unit being used public String getUnit() { return unit; } // Return the total area of this unit public double getArea() { return width * length; } // Return the function public String getFunction() { return function; } // Return the width public double getWidth() { return width; } // Return the length public double getLength() { return length; } // Return a string representation @Override public String toString() { if (unit.equals("feet")) return "A unit of " + (int) getArea() + " square " + unit + " (" + (int) width + "' wide and " + (int) length + "' long) functioning as " + function; return "A unit of " + String.format("%.2f", getArea()) + " square " + unit + " (" + String.format("%.2f", width) + " m wide and " + String.format("%.2f", length) + " m long) functioning as " + function; } // Check if two units are of equal area and of the same function @Override public boolean equals(Object other) { if (this == other) return true; if (!(other instanceof Unit)) return false; Unit otherUnit = (Unit) other; return function.equals(otherUnit.function) && getArea() == otherUnit.getArea(); } } one(self, item): """ Delete the first occurrence of the item """ if item in self.__items: self.__items.remove(item) def erase_all(self, item): """ Delete all occurrence of the item in the list """ while item in self.__items: self.__items.remove(item) def count(self, item): """ Count the occurrence of item in the list """ occurrence = 0 for some_item in self.__items: if some_item == item: occurrence += 1 return occurrence def items(self): """ Return distinct items in the list """ distinct_items = list() for item in self.__items: if item not in distinct_items: distinct_items.append(item) return distinct_items def __str__(self): """ Return a string representation of the container """ return str(self.__items)[1:-1] def __repr__(self): """ Returns a printable representation of the container """ return str(self.__items)[1:-1] def __getitem__(self, idx): """ Access an item from the list given the index """ return self.__items[idx] def __add__(self, other_container): """ Return a new container that contains all the items that is here and the other container """ new_container = Container() new_container.__items = self.__items + other_container.__items return new_container def __sub__(self, other_container): """ Return a new container where items here does not exist on the other container """ paired_indices = list() for i in range(len(other_container.__items)): paired_indices.append(False) new_container = Container() for i in range(len(self.__items)): pair_found = False for j in range(len(other_container.__items)): if self.__items[i] == other_container.__items[j] and not paired_indices[j]: pair_found = True paired_indices[j] = True break if not pair_found: new_container.__items.append(self.__items[i]) return new_container def __mul__(self, other_container): """ Find the intersection of two containers """ paired_indices = list() for i in range(len(other_container.__items)): paired_indices.append(False) new_container = Container() for i in range(len(self.__items)): pair_found = False for j in range(len(other_container.__items)): if self.__items[i] == other_container[j] and not paired_indices[j]: pair_found = True paired_indices[j] = True break if pair_found: new_container.__items.append(self.__items[i]) return new_container