2.java

package labtest;
import java.util.Arrays;
import java.util.Scanner;

public class labtest {
	
	public static void  reverse(double[] array){
		//reading array from reverse
		for (int i = array.length-1; i >= 0; i--) {  
            System.out.print(array[i] + " "); 
        }  
	}
	
	public static int indexOfLargestElement(double[] array){
		//we create varrible and put first element to it		
		double maximum_value = array[0];
		int place_of_the_maximum_value = 0;
		
		//go through the array and record the largest value
		for (int i = 0; i < array.length; i++) {
	           if (maximum_value < array[i]) {
	               maximum_value = array[i];
	              // place_of_the_maximum_value=i++;
	           }
	             
		}
	        //recording the place of maximum value
	       for (int i = 0; i < array.length; i++) {
	           if (maximum_value == array[i]) {
		place_of_the_maximum_value=i;
	           }
	       }
	       place_of_the_maximum_value=place_of_the_maximum_value++;
		//still doesn't work properly 
	       return place_of_the_maximum_value;
	   }
	   
	   public static void main(String args[]) {
		   Scanner s = new Scanner(System.in);
		       // input length of array , it can be hardcoded as 10
		   System.out.println("Enter the length of the input array:");
		   int length = s.nextInt();
		   double [] array = new double[length];
		       // entering the values
		   System.out.println("Enter the elements:");
		   for(int i=0; i<length; i++ ) {
		   array[i] = s.nextDouble();
		   }
		       // printing output
		       System.out.println("place of largest element is :");
		   System.out.println(indexOfLargestElement(array));
		   
		   reverse(array);
		}
		}