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prac_set7.java
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prac_set7.java
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import java.util.Scanner;
public class prac_set7 {
/* multiplication table static void multi(int n)
{
for(int i=1;i<=10;i++)
System.out.format("%d X %d = %d\n",n,i,(n*i));
}*/
/*static void pattern(int n)
{
for(int i=01;i<=n;i++)
{
for(int j=0;j<i;j++)
{
System.out.print("* ");
}
System.out.println("\n");
}
}*/
/*static int nsum(int n)
{
if(n==1)
return 1;
return n+nsum(n-1);
}*/
static int fibo(int n)
{
if(n==1 || n==2)
return n-1;
else
return fibo(n-1)+fibo(n-2);
}
static int fibbo(int n)
{
if(n<=1)
return n;
else
return fibbo(n-1)+fibbo(n-2);
}
static void average(float[] arr,int n)
{
float sum=0;
for(int i=0;i<n;i++)
sum+=arr[i];
System.out.println("Average of these "+n+" marks is "+(sum/n));
}
static void pattern_rec(int n)
{
if(n>0)
{
pattern_rec(n-1);
for(int i=0;i<n;i++)
System.out.print("* ");
System.out.println();
}
}
public static void main(String[] args)
{
//multi(7);
Scanner sc=new Scanner(System.in);
/*System.out.println("Enter the no of rows: ");
int n=sc.nextInt();
pattern(n);*/
//System.out.println("Enter the value of n: ");
/*int n=sc.nextInt();
System.out.println("Sum of first "+n+" natural numbers is "+nsum(n));*/
/*System.out.println("Enter the value of n: ");
int n=sc.nextInt();
System.out.println("The "+n+" th term of the fibonacci is "+fibo(n));*/
/*System.out.println("Enter the value of n: ");
int n=sc.nextInt();
for(int i=0;i<n;i++)
System.out.print(fibbo(i)+ " ");*/
System.out.println("Enter the no of subjects: ");
int n=sc.nextInt();
float[] arr=new float[n];
System.out.println("Enter the marks: ");
for(int i=0;i<n;i++)
arr[i]=sc.nextFloat();
average(arr,n);
}
}