import java.util.Scanner;

public class UpdateArrayElement {

//METHOD TO UPDATE VALUE OF AN ELEMENT IN AN ARRAY

static int[] updateElement(int a[]){

Scanner sc= new Scanner(System.in);

System.out.print("Enter index to update value: ");

int index= sc.nextInt();

if(index<a.length-1){

System.out.print("Enter new value for index " + index + ": ");

a[index]= sc.nextInt();

}

//IF USER TRIES TO UPDATE VALUE OF AN INDEX THAT DOESN'T EXIST

else{

System.out.println("INDEX TO UPDATE SHOULD BE LESS THAN " + a.length);

}

return a;

}

//METHOD TO PRINT ARRAY

static void display(int a[]){

for(int i=0; i<a.length; i++){

System.out.print(a[i] + " ");

}

}

public static void main(String[] args) {

Scanner sc= new Scanner(System.in);

//INPUT ARRAY SIZE AND ELEMENTS

System.out.print("Enter array size: ");

int size= sc.nextInt();

//ORIGINAL ARRAY DECLARATION AND DEFINITION (through user input)

int arr[]= new int[size];

System.out.print("Enter array elements: ");

for(int i=0; i<arr.length; i++){

arr[i]= sc.nextInt();

}

System.out.print("Original array: ");

display(arr);

System.out.println();

int a[]= updateElement(arr); //STORING UPDATED ELEMENT IN A NEW VARIABLE

updateElement(a);

System.out.print("Updated array: ");

display(a);

}

}