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Showing posts with label Program to reverse the given array elements. Show all posts
Showing posts with label Program to reverse the given array elements. Show all posts

Wednesday, 11 December 2019

Program to reverse the given array elements


import java.util.Scanner;

class rkrev
 {
  public static void main(String x[])
  {
   int n,i,temp;
   Scanner s=new Scanner(System.in);
   System.out.println("Enter Size Of Array :");
   n=s.nextInt();
   int[] a;//declaration of array
   a=new int[n]; // Creation of array with given size
   for(i=0;i<n;i++)
    {
     System.out.printf("\n Element a[%d]  :",i);
     a[i]=s.nextInt();
    }
   System.out.print("\n Array elements before reverse :");
   for(i=0;i<n;i++)
    {
     System.out.print(a[i]+" ");
    }
   for(i=0;i<n;i++)
    {
     System.out.printf("\n\n ADDRESS=%h ---- ARRAY=a[%d]------ DATA=%d",i*4,i,a[i]);
    }
   for(i=0;i<n/2;i++)
    {
     temp=a[i];
     a[i]=a[n-1-i];
     a[n-1-i]=temp;
    }
   System.out.print("\n Array elements after reverse :");
   for(i=0;i<n;i++)
    {
     System.out.print(a[i]+" ");
    }
   for(i=0;i<n;i++)
    {
     System.out.printf("\n\n ADDRESS=%h ---- ARRAY=a[%d]------ DATA=%d",i*4,i,a[i]);
    }
  }
}

output:



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