package com.batch5.day1.q1;

import java.util.Scanner;



public class Fibonacci
{
	public static void main(String st[])
	{
		float sum=0;
		int number1=1;
		int number2=1;
		int number3;
		sum=number1+number2;
		Scanner sc=new Scanner(System.in);
		System.out.println("Enter size of fibonacci");
		int size=sc.nextInt();
		System.out.print(number1+" "+number2);

		for(int i=2;i<size;i++)
		{
			number3=number1+number2;
			sum=sum+number3;
			System.out.print(" "+number3);
			number1=number2;
			number2=number3;
		}
		sc.close();
		System.out.println();

		System.out.println("The average is: "+(sum/20));
	}
}








1-2




package com.batch5.day1.q2;

public class TimeTable
{

	void multiply()
	{
		System.out.println("*|1 2 3 4 5 6 7 8 9");
		System.out.println("--------------------------");
		for(int i=1;i<=9;i++)
		{
			System.out.print(i+"|");
			for(int j=1;j<=9;j++)

			{
				System.out.print(i*j+" ");
			}
			System.out.println();

		}
	}

}
















1-3



package com.batch5.day1.q3;

import java.util.Scanner;

public class GradeAverage {
	public static void main(String st[])
	{

		Scanner sc=new Scanner(System.in);
		int noOfStudents;
		float sumOfGrade=0;
		System.out.print("Enter the number of students: ");
		noOfStudents=sc.nextInt();
		System.out.println();

		int grades[]=new int[noOfStudents+1];

		for(int i=1;i<=noOfStudents;i++)
		{
			System.out.print("Enter the grade of student "+i+": ");
			grades[i]=sc.nextInt();
			System.out.println();

			if(grades[i]<0||grades[i]>100)
			{
				System.out.println("Enter valid input");
				System.out.println("Enter the grade of student "+i+": ");
				grades[i]=sc.nextInt();
				sumOfGrade+=grades[i];
			}

			else
			{
				sumOfGrade+=grades[i];
			}

		}
		sc.close();
		System.out.println("The average is: "+(sumOfGrade/noOfStudents));


	}

}













1-4









package com.batch5.day1.q4;

import java.util.Scanner;

public class ArrayCopy {

	public static int[] copyOf(int[] array)
	{
		return array;
	}

	public static void main(String st[])
	{

		int arr[]=new int[10];
		Scanner sc=new Scanner(System.in);
		System.out.println("Enter size of array(max 10)");
		int size=sc.nextInt();
		System.out.println("Enter the elements)");
		for(int i=0;i<size;i++)
		{
			arr[i]=sc.nextInt();
		}
		int copy[]=copyOf(arr);

		System.out.println("Copied Array: ");

		for(int i=0;i<size;i++)
		{
			System.out.println(copy[i]);
		}
		sc.close();
	}

}












1-5





package com.batch5.day1.q5;

public class Pattern {
	public static void main(String st[])
	{
		for(int i=1;i<=8;i++)
		{
			for(int j=1;j<=i;j++)
			{
				System.out.print(j);
			}
			System.out.println();
		}
	}

}