Hello, i am getting a error of "No enclosing instance of type Birthday is accessible. Must qualify the allocation with an enclosing instance of type Birthday (e.g. x.new A() where x is an instance of Birthday). "

I commented it out down below

import java.io.FileReader; import java.util.ArrayList; import java.util.Comparator; import java.util.LinkedHashMap; import java.util.Scanner;

public class Birthday implements Comparator{ String fullName; int month; int day; int year; Student student; static LinkedHashMap bdays = new LinkedHashMap<>(); // Constructors Birthday() {} Birthday(String n, int m, int d, int y) { this.fullName = n; this.month = m; this.day = d; this.year = y; } // Setter & Getter void setMonth(int m) { this.month = m; } void setDay(int d) { this.day = d; } void setStudent(Student s) { this.student = s; } int getMonth() { return this.month; } int getDate() { return this.day; } String getName() { return this.fullName; } Student getStudent() { return this.student; } @Override public int compare(Birthday x, Birthday y) { int temp = ((((x.month*306 + 5) / 10) + (x.day - 1)) - (((y.month*306 + 5) / 10) + (y.day - 1))); if (temp > 0) { return 1; } else if (temp < 0) { return -1; } else { int result = (x.student.lastName).compareToIgnoreCase(y.student.lastName); if (result > 0) { return 1; } else if (result < 0) { return -1; } else { result = (x.student.firstName).compareToIgnoreCase(y.student.firstName); if (result > 0) { return 1; } else if (result < 0) { return -1; } else { return 0; } } } }

public static void main(String...strings) { collectInfo(); // Collect all info from file } private static void collectInfo() { try { Scanner input = new Scanner(new FileReader("birthday.txt")); int totalClass = input.nextInt(); for (int x = 0; x < totalClass; ++x) { ArrayList arrClass = new ArrayList<>(); ArrayList arrQuery = new ArrayList<>(); System.out.println("Class #" + (x+1) + ": "); if(input.hasNextInt()) { int classPop = input.nextInt(); input.nextLine(); for (int i = 0; i < classPop; i++) { String fn = input.next(); String ln = input.next(); String month = input.next(); int day = input.nextInt(); int year = input.nextInt(); int numMonth = 0; switch (month) { case "JANUARY": numMonth = 1; break; case "FEBRUARY": numMonth = 2; break; case "MARCH": numMonth = 3; break; case "APRIL": numMonth = 4; break; case "MAY": numMonth = 5; break; case "JUNE": numMonth = 6; break; case "JULY": numMonth = 7; break; case "AUGUST": numMonth = 8; break; case "SEPTEMBER": numMonth = 9; break; case "OCTOBER": numMonth = 10; break; case "NOVEMBER": numMonth = 11; break; case "DECEMBER": numMonth = 12; break; default: break; } String name = fn + " " + ln; Birthday bday = new Birthday(name, numMonth, day, year);

//This is where i get the error message below this comment the Student stu1 = new Student(fn,ln,bday)

//I get the error message No enclosing instance of type Birthday is accessible. "

Student stu1 = new Student(fn, ln, bday); bday.setStudent(stu1); bdays.put(stu1, bday); arrClass.add(stu1); } } if(input.hasNextInt()) { int queryPop = input.nextInt(); input.nextLine(); for (int i = 0; i < queryPop; i++) { arrQuery.add(input.nextLine()); } printCheckQuery(arrQuery, arrClass); } System.out.println(); } input.close(); } catch (Exception ex) { ex.printStackTrace(); } } private static void printCheckQuery(ArrayList query, ArrayList aClass) { ArrayList sortedClass = new ArrayList<>(sortClass(aClass)); Student student = sortedClass.get(0); for (int i = 0; i < query.size(); i++) { String name = query.get(i); for(int j = 0; j < sortedClass.size(); j++) { if(name.equals(sortedClass.get(j).fullName)) { student = sortedClass.get(j); } } Birthday bday = bdays.get(student); if (sortedClass.contains(student)) { int nameIn = sortedClass.indexOf(student); if (sortedClass.size() > 2 && nameIn > 0 && nameIn < sortedClass.size()-1) { Student student2 = sortedClass.get(nameIn + 1); Birthday bday2 = bdays.get(student2); Student student3 = sortedClass.get(nameIn - 1); Birthday bday3 = bdays.get(student3); int result2 = compareBD(bday2, bday); int result3 = compareBD(bday3, bday); if (result2 < result3) { System.out.println(student2.fullName + " has the closest birthday to " + student.fullName); } else if (result3 < result2) { System.out.println(student3.fullName + " has the closest birthday to " + student.fullName); } else { System.out.println(student2.fullName + " has the closest birthday to " + student.fullName); } } else if (sortedClass.size() > 2 && (nameIn == 0 || nameIn == sortedClass.size()-1)) { if(nameIn == 0) { Student student2 = sortedClass.get(nameIn + 1); Birthday bday2 = bdays.get(student2); Student student3 = sortedClass.get(sortedClass.size()-1); Birthday bday3 = bdays.get(student3); int result2 = compareBD(bday2, bday); int result3 = compareBD(bday3, bday); if (result2 < result3) { System.out.println(student2.fullName + " has the closest birthday to " + student.fullName); } else if (result3 < result2) { System.out.println(student3.fullName + " has the closest birthday to " + student.fullName); } else { System.out.println(student2.fullName + " has the closest birthday to " + student.fullName); } } else { Student student2 = sortedClass.get(nameIn - 1); Birthday bday2 = bdays.get(student2); Student student3 = sortedClass.get(0); Birthday bday3 = bdays.get(student3); int result2 = compareBD(bday2, bday); int result3 = compareBD(bday3, bday); if (result2 < result3) { System.out.println(student2.fullName + " has the closest birthday to " + student.fullName); } else if (result3 < result2) { System.out.println(student3.fullName + " has the closest birthday to " + student.fullName); } else { System.out.println(student3.fullName + " has the closest birthday to " + student.fullName); } } } else if (sortedClass.size() == 2) { if (nameIn == 0) { Student student2 = sortedClass.get(nameIn + 1); System.out.println(student2.fullName + " has the closest birthday to " + student.fullName); } else { Student student2 = sortedClass.get(nameIn - 1); System.out.println(student2 + " has the closest birthday to " + student.fullName); } } else { System.out.println("Error! " + name + " is the only person in the class!"); } } } } private static int compareBD(Birthday x, Birthday y) { int temp1 = Math.abs((((x.month*306 + 5) / 10) + (x.day - 1)) - (((y.month*306 + 5) / 10) + (y.day - 1))); int temp2 = Math.abs((365*2000 + 2000/4 - 2000/100 + 2000/400 + (((x.month*306 + 5) / 10) + (x.day - 1))) - (365*2001 + 2001/4 - 2001/100 + 2001/400 + (((y.month*306 + 5) / 10) + (y.day - 1)))); int temp3 = Math.abs((365*2001 + 2001/4 - 2001/100 + 2001/400 + (((x.month*306 + 5) / 10) + (x.day - 1))) - (365*2000 + 2000/4 - 2000/100 + 2000/400 + (((y.month*306 + 5) / 10) + (y.day - 1)))); int[] temp = {temp1, temp2, temp3}; int min = temp1; for (int i = 0; i < 3; i++) { if (temp[i] < min) { min = temp[i]; } } if(x.month != 2 && y.month == 2) { // This will account for February switch(y.day) { case 28: min = min - 3; break; case 29: min = min - 2; break; default: break; } } else if(x.month == 2 && y.month != 2) { switch(x.day) { case 28: min = min - 3; break; case 29: min = min - 2; break; default: break; } } return Math.abs(min); } private static ArrayList sortClass(ArrayList c) { ArrayList sc = new ArrayList<>(); int size = c.size(); Student minC = c.get(0); int minIndex = 0; for (int x = 0; x < size; x++) { for (int i = 0; i < c.size(); i++) { Birthday minBD = bdays.get(minC); Student student1 = c.get(i); Birthday bday1 = bdays.get(student1); if(student1.fullName != minC.fullName) { if (bday1.month < minBD.month) { minC = student1; minIndex = i; } else if (bday1.month == minBD.month) { int result = minBD.compare(minBD, bday1); if (result > 0) { minC = student1; minIndex = i; } else if (result == 0 && i > minIndex){ minC = student1; minIndex = i; } } } } sc.add(c.remove(minIndex)); if(c.size() > 0) { minC = c.get(0); minIndex = 0; } } return sc; }

//filename Student.java public class Student { String firstName; String lastName; String fullName; Birthday bday; Student() {} Student(String f, String l, Birthday b) { this.firstName = f; this.lastName = l; this.fullName = f + " " + l; this.bday = b; } void setName(String f, String l) { this.firstName = f; this.lastName = l; this.fullName = f + " " + l; } void setBday(Birthday b) { this.bday = b; } String getName() { return this.fullName; } String getFirstName() { return this.firstName; } String getLastName() { return this.lastName; } Birthday getBday() { return this.bday; } } }