dd

//PROBLEM 3 ... OPTION 2
 public class Numbers {

    int num;

    public void showFibonacci() {
        int t1 = 0, t2 = 1, nextTerm = 0;
            for (int i = 1; i <= num; ++i) {

            if (i == 1) {
             continue;
            }

            if (i == 2) {
                System.out.printf("  %d  ", t2);
                continue;

            }
            nextTerm = t1 + t2;
            t1 = t2;
            t2 = nextTerm;
            System.out.printf("  %d  ", nextTerm);

        }
    }

    public void showPyramid(){
         int rowCount = 1;

        System.out.println("Here Is the Pyramid");

            if (num <=9 ) {

    for (int i = num; i > 0; i--) {

        for (int j = 1; j <= i * 2; j++) {
            System.out.print(" ");
        }

        for (int j = 1; j <= rowCount; j++) {
            System.out.print(j + " ");
        }

        for (int j = rowCount - 1; j >= 1; j--) {
            System.out.print(j + " ");
        }

        System.out.println();

        rowCount++;
    }

    }
   }
}

    public boolean checkNumber(){

        boolean even = true;
        if (num%2!=0){
            even = false;
        }
        return true;
    }

    void setNum(int num){


    }
}

 ////////////////////////////////////////////
import java.util.Scanner;

public class NumberTest {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        Numbers test = new Numbers();
        int select = sc.nextInt();

        test.num = 5;

    switch (select) {

             case 1:test.showFibonacci();
             break;

             case 2:test.showPyramid();
             break;

             case 3: test.checkNumber();
             break;

             case 4:test.setNum(0);
        }

    }
}


///////////////////////////////////////////////////////////////////////////////////////////////////

public class ArrayCheck{

 public static void main(String[] args) {


        int sum =0;
        int max=0;
        int min=0;

       int[] grades=new int[]{
           2,3,9,8,13,1,5,19,-8,0,4
       };
       for(int i=0;i<grades.length;i++){
           sum+=grades[i];

           if (max<grades[i]){
               max=grades[i];
           }
           if (min>grades[i]){
               min=grades[i];}
           }
        double average = (double) sum / grades.length;
       System.out.println("  min:" + min);
        System.out.println("  max:" + max);
        System.out.println("  average:" + average);
       }
       }