//import java.util.Arrays;
public class IntroArray {
  public static void main(String[] args) {
/*
    double scores[] = {15,20,25,18,22};
    for (int i=0;i<scores.length;i++)
      System.out.println(scores[i]);      
    
    int num[] = {15,22,33,10,7,27,16};
    System.out.print("total member of num = "
          + num.length);      
    System.out.print("\n");

    int[][][] room;
    room = new int[2][4][6];
    room[0][0][0] = 4;
    room[0][0][1] = 3;
    room[0][0][2] = 4;
    room[0][0][3] = 3;
    room[0][0][4] = 4;
    room[0][0][5] = 2;
    room[1][2][5] = 3;
    room[1][3][3] = 1;
 

    int num[] = {15,22,33,10,7,27,16};
    for( int i = 0; i < num.length; i++)
      System.out.print(num[i]+" ");
    System.out.print("\n");
    Arrays.fill(num, 0);
    for( int i = 0; i < num.length; i++)
      System.out.print(num[i]+" ");

    int[][]   totalstd;
    totalstd = new int[2][4];

    System.out.print(totalstd.length);
    int[]  vaccine_count;
    vaccine_count = new int[20];
    char[] std_grade;
    std_grade = new char[50];
    String[] prov_name;
    prov_name = new String[14];
    int[] score = {30, 50, 85};
    char[] grade;
    grade = new char[3];
    grade[0] = 'F';
    grade[1] = 'D';
    grade[2] = 'A';
    System.out.print(vaccine_count.length);
    System.out.print(std_grade.length);
    System.out.print(prov_name.length);
    System.out.print(score.length);
    double[] scores = {15, 20, 25, 18, 22};
    */
  }
}