휴 너무 초보라 이게 뭐가 뭔지 모르겠네요

하나하나 주석 설명좀 해주시면 정말 감사하겠습니다 ㅠ_ㅠ

import java.util.Scanner;

public class ScoreManager
{
  private Scanner sc;
  private boolean bContinue = true;
  private Student[] classRoom;
  private int no = 0;

  public static void main(String[] paramArrayOfString) {
    new ScoreManager().go();
  }

  private void go()
  {
    this.sc = new Scanner(System.in);
    this.classRoom = new Student[10];

    showTitle();
    while (this.bContinue) {
      int i = showMenu();

      switch (i) {
      case 0:
        System.out.println("프로그램을 종료합니다....");
        this.bContinue = false;
        break;
      case 1:
        inputStudent();
        break;
      case 2:
        showScoreTable();
        break;
      default:
        System.out.println("메뉴는 (0-2) 사이의 값만 선택가능합니다.");
      }
    }
  }

  private void showScoreTable()
  {
    System.out.println();
    System.out.println("=================성적 처리 결과========================");
    System.out.println("번호\\t이름\\t국어\\t영어\\t수학\\t총점\\t평균");
    System.out.println("=======================================================");
    for (int i = 0; (i < 10) &&
      (this.classRoom[i] != null); i++)
    {
      Student localStudent = this.classRoom[i];
      System.out.println(localStudent.no + "\\t" + localStudent.name + "\\t" + localStudent.kor + "\\t" + localStudent.eng + "\\t" + localStudent.mat + "\\t" + localStudent.tot + "\\t" + localStudent.avg);
    }
    System.out.println("=======================================================");
  }

  private void inputStudent()
  {
    Student localStudent = new Student();
    localStudent.no = (this.no + 1);

    System.out.println("======성적 입력=====");
    try {
      System.out.print(localStudent.no + "번 학생 이름 = ");
      this.sc.reset();
      localStudent.name = this.sc.next();
      this.sc.reset();
      System.out.print("국어 = ");
      localStudent.kor = this.sc.nextInt();
      System.out.print("영어 = ");
      localStudent.eng = this.sc.nextInt();
      System.out.print("수학 = ");
      localStudent.mat = this.sc.nextInt();
    } catch (Exception localException) {
      System.out.println("잘못된 정보 입력으로 메뉴로 돌아갑니다.");
      this.sc.nextLine();
      return;
    }

    localStudent.calcTot();
    localStudent.calcAvg();

    this.classRoom[(this.no++)] = localStudent;
  }

  private void showTitle() {
    System.out.println();
    System.out.println("==========================================");
    System.out.println("=            성적 관리 프로그램\\t         =");
System.out.println("= ver 0.1 =");
System.out.println("= created by SH =");
    System.out.println("==========================================");
  }

  private int showMenu()
  {
    int i = -1;
    System.out.println();
    System.out.println("===================메 뉴===================");
    System.out.println("0 : 프로그램 종료");
    System.out.println("1 : 성적 입력");
    System.out.println("2 : 성적 출력");
    System.out.println("===========================================");
    System.out.print("선택 >> ");
    try {
      i = this.sc.nextInt();
    } catch (Exception localException) {
      System.out.println("숫자만 입력 가능합니다.");
      this.sc.nextLine();
    }
    return i;