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27 changes: 27 additions & 0 deletions classes-part-2/exercises/src/main/java/org/launchcode/Course.java
Original file line number Diff line number Diff line change
@@ -1,8 +1,10 @@
package org.launchcode;

import java.util.ArrayList;
import java.util.Objects;

public class Course {
private String name;
private String topic;
private Teacher instructor;
private ArrayList<Student> enrolledStudents;
Expand All @@ -11,7 +13,32 @@ public class Course {
// just the class fields.


@Override
public String toString() {
return "Course{" +
"name='" + name + '\'' +
", topic='" + topic + '\'' +
", instructor=" + instructor +
", enrolledStudents=" + enrolledStudents +
'}';
}

@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Course course = (Course) o;
return Objects.equals(name, course.name) && Objects.equals(instructor, course.instructor);
}

@Override
public int hashCode() {
return Objects.hash(name, instructor);
}


// TODO: Add your custom 'equals' method here. Consider which fields should match in order to call two
// Course objects equal.


}
39 changes: 35 additions & 4 deletions classes-part-2/exercises/src/main/java/org/launchcode/Student.java
Original file line number Diff line number Diff line change
Expand Up @@ -30,21 +30,52 @@ public String studentInfo() {


//TODO: Uncomment and complete the getGradeLevel method here:
// public String getGradeLevel() {
// // Determine the grade level of the student based on numberOfCredits
// }
public String getGradeLevel(int credits) {
if (credits <= 29) {
return "Freshman";
} else if (credits <= 59) {
return "Sophomore";
} else if (credits <= 89) {
return "Junior";
} else {
return "Senior";
}
}

// TODO: Complete the addGrade method.
public void addGrade(int courseCredits, double grade) {
double totalQualityScore = this.gpa * this.numberOfCredits;
totalQualityScore += courseCredits * grade;
this.numberOfCredits += courseCredits;
this.gpa = totalQualityScore / this.numberOfCredits;

// Update the appropriate fields: numberOfCredits, gpa
}

// TODO: Add your custom 'toString' method here. Make sure it returns a well-formatted String rather
// than just the class fields.

public String toString() {
String studentReport = String.format("%s is a %s with a gpa of %d.",
this.name, this.getGradeLevel(this.numberOfCredits), this.getGpa());
return studentReport;
}

// TODO: Add your custom 'equals' method here. Consider which fields should match in order to call two
// Student objects equal.

public boolean equals(Object toBeCompared) {
if (toBeCompared == this) {
return true;
}
if (toBeCompared == null) {
return false;
}
if (toBeCompared.getClass() != getClass()) {
return false;
}
Student theStudent = (Student) toBeCompared;
return theStudent.getStudentId() == getStudentId();
}
public String getName() {
return name;
}
Expand Down
32 changes: 25 additions & 7 deletions classes-part-2/studio/src/main/java/org/launchcode/Menu.java
Original file line number Diff line number Diff line change
@@ -1,32 +1,50 @@
package org.launchcode;

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.Date;

public class Menu {
private Date lastUpdated;
private LocalDate lastUpdated;
private ArrayList<MenuItem> items;

public Menu(Date d, ArrayList<MenuItem> i) {
this.lastUpdated = d;
this.items = i;
public Menu(LocalDate date, ArrayList<MenuItem> items) {
this.lastUpdated = date;
this.items = items;
}

public void setLastUpdated(Date lastUpdated) {
public void setLastUpdated(LocalDate lastUpdated) {
this.lastUpdated = lastUpdated;
}

public void setItems(ArrayList<MenuItem> items) {
this.items = items;
}

public Date getLastUpdated() {
public LocalDate getLastUpdated() {
return lastUpdated;
}

public ArrayList<MenuItem> getItems() {
return items;
}

@Override
public String toString() {
return "Menu: " + "\n" +
"lastUpdated=" + lastUpdated + "\n" +
items ;
}

public void addMenuItem (MenuItem newItem) {
this.items.add(newItem);
this.setLastUpdated(LocalDate.now());
}

public void removeMenuItem(MenuItem item) {
this.items.remove(item);
this.setLastUpdated(LocalDate.now());
}
}



60 changes: 54 additions & 6 deletions classes-part-2/studio/src/main/java/org/launchcode/MenuItem.java
Original file line number Diff line number Diff line change
@@ -1,16 +1,28 @@
package org.launchcode;

import java.time.LocalDate;
import java.util.Objects;
import java.time.temporal.ChronoUnit;



public class MenuItem {
private String name;
private double price;
private String description;
private String category;
private LocalDate dateAdded;

private boolean isNew;

public MenuItem(double p, String d, String c, boolean iN) {
this.price = p;
this.description = d;
this.category = c;
this.isNew = iN;
public MenuItem(String name, double price, String description, String category, LocalDate dateAdded, boolean isNew) {
this.name = name;
this.price = price;
this.description = description;
this.category = category;
this.dateAdded = dateAdded;
this.isNew = isNew;

}

public void setPrice(double price) {
Expand All @@ -26,7 +38,43 @@ public void setCategory(String category) {
}

public void setNew(boolean aNew) {
isNew = aNew;
this.isNew = aNew;
}
public boolean getNew() {
return isNew;
}

public void setDateAdded(LocalDate dateAdded) {this.dateAdded = dateAdded;}

public void calculateIsNew() {
LocalDate now = LocalDate.now();
long difference = ChronoUnit.DAYS.between(this.dateAdded, now);
if (difference < 31) {
this.setNew(true);
} else {
this.setNew(false);
}
}

@Override
public String toString() {
return name + "\n" +
" price= $" + price + "\n" +
" description= " + description + "\n" +
" category= " + category + "\n" + "\n";
}

@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MenuItem menuItem = (MenuItem) o;
return Objects.equals(name, menuItem.name);
}

@Override
public int hashCode() {
return Objects.hash(name);
}
}

24 changes: 24 additions & 0 deletions classes-part-2/studio/src/main/java/org/launchcode/Restaurant.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
package org.launchcode;
import java.time.LocalDate;
import java.util.ArrayList;

public class Restaurant {
public static void main(String[] args) {


MenuItem greenEggsAndHam = new MenuItem("Green Eggs and Ham", 10.00, "delicious green eggs and ham!", "breakfast", LocalDate.now().minusDays(40), true);
System.out.println(greenEggsAndHam);
MenuItem porridge = new MenuItem("Goldilocks' Porridge", 6.00, "Oatmeal at just the right temp!", "breakfast", LocalDate.now(), true);
ArrayList<MenuItem> menuItems = new ArrayList<>();
menuItems.add(greenEggsAndHam);
menuItems.add(porridge);
Menu menu = new Menu(LocalDate.now(),menuItems);
MenuItem blueberryPancakes = new MenuItem("Blueberry Pancakes", 13.00, "a delicious stack of pancakes", "breakfast", LocalDate.now(), true);
menu.addMenuItem(blueberryPancakes);
menu.removeMenuItem(blueberryPancakes);
System.out.println(menu);
greenEggsAndHam.calculateIsNew();
System.out.println(greenEggsAndHam.getNew());
}
}

8 changes: 8 additions & 0 deletions classes-part-one/exercises/src/main/java/Course.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
package main.java;
import java.util.ArrayList;

public class Course {
private String name;
private int numberOfCredits= 0;
private ArrayList<Student> enrolledStudents;
}
35 changes: 35 additions & 0 deletions classes-part-one/exercises/src/main/java/Student.java
Original file line number Diff line number Diff line change
@@ -1,10 +1,45 @@
package main.java;

public class Student {
private String name;
private int studentId;
private int numberOfCredits = 0;
private double gpa = 0.0;


public Student(String name, int studentId, int numberOfCredits, double gpa) {
this.name = name;
this.studentId = studentId;
this.numberOfCredits = numberOfCredits;
this.gpa = gpa;
}
// Drop your getters and setters below for the Student class.
public String getName() {
return name;
}
public void setName(String aName){
this.name = aName;
}
public int getStudentId() {
return studentId;
}
public void setStudentId(int aStudentId){
this.studentId = aStudentId;
}
public int getNumberOfCredits(){
return numberOfCredits;
}
public void setNumberOfCredits(int aNumberOfCredits){
this.numberOfCredits = aNumberOfCredits;
}
public double getGpa() {
return gpa;
}
public void setGpa(double aGpa){
this.gpa = aGpa;
}


// To instantiate the Student class, add your code to the main in the file, SchoolPractice.

}
6 changes: 4 additions & 2 deletions classes-part-one/exercises/src/main/java/StudentPractice.java
Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
package main.java;

public class StudentPractice {
public static void main(String[] args){
//insantiate your Student class below
public static void main(String[] args) {
Student sloane = new Student("Sloane", 52, 1, 4.0);
}
}
38 changes: 38 additions & 0 deletions classes-part-one/exercises/src/main/java/Teacher.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
package main.java;

public class Teacher {
private String firstName;
private String lastName;
private String subject;
private int yearsTeaching;

public String getFirstName() {
return firstName;
}
public String getLastName() {
return lastName;
}
public String getSubject() {
return subject;
}

public int getYearsTeaching() {
return yearsTeaching;
}

public void setFirstName(String aFirstName) {
this.firstName = aFirstName;
}

public void setLastName(String aLastName) {
this.lastName = aLastName;
}

public void setSubject(String aSubject) {
this.subject = aSubject;
}

public void setYearsTeaching(int aYearsTeaching) {
this.yearsTeaching = aYearsTeaching;
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,10 @@
public class Main {

public static void main(String[] args) {
// write your code here
MenuItem bananaPancake = new MenuItem(10.00, "pancakes made with bananas and walnuts", "entree", true);
System.out.println(bananaPancake.getprice());
MenuItem oatmeal = new MenuItem(6.00, "steel cut oatmeal", "entree", true);
Menu breakfastMenu = new Menu(082323, bananaPancake, oatmeal);
System.out.println(breakfastMenu.getItems());
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -28,4 +28,6 @@ public void setCategory(String category) {
public void setNew(boolean aNew) {
isNew = aNew;
}

public double getprice() {return price;}
}
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