package practice;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

public class StudentManagerTest {

public static void main(String[] args) {

// 학생 데이터 초기화

StudentManager studentManager = new StudentManager();

initializeStudentList(studentManager);

initializeStudentGrade(studentManager);

Student student = null;

// 학생이름으로 학생 찾기

System.out.println("getStudent() Test --------------");

String name = "하대치";

student = studentManager.getStudent(name);

if (student != null) {

System.out.println(student.getName() + ", " + student.getGrade());

} else {

System.out.println("Sorry, we have nothing for you");

}

// 등급으로 학생 목록 검색하기

System.out.println("search() Test --------------");

String grade = "B"; // 'B' 등급으로 조회

ArrayList studentList = studentManager.search(grade);

Iterator iter = studentList.iterator();

while (iter.hasNext()) {

student = (Student) iter.next();

System.out.println(student.getName() + ", " + student.getGrade());

}

}

// 임시 데이터 구성

private static void initializeStudentList(StudentManager studentManager) {

studentManager.addStudent(new Student("김범우", 65, 80, 84));

studentManager.addStudent(new Student("염상진", 84, 69, 94));

studentManager.addStudent(new Student("염상구", 96, 43, 90));

studentManager.addStudent(new Student("하대치", 84, 60, 96));

studentManager.addStudent(new Student("소화", 83, 73, 90));

studentManager.addStudent(new Student("이지숙", 56, 85, 66));

studentManager.addStudent(new Student("조한규", 75, 80, 64));

studentManager.addStudent(new Student("심재모", 89, 75, 95));

studentManager.addStudent(new Student("강동기", 86, 70, 85));

studentManager.addStudent(new Student("안창민", 56, 74, 70));

}

private static void initializeStudentGrade(StudentManager studentManager) {

List studentList = studentManager.getStudentList();

Iterator iterator = studentList.iterator();

while (iterator.hasNext()) {

Student student = (Student) iterator.next();

student.calcGrade(); //학생들의 점수 등급을 계산한다.

}

}

}