CODE EXAMPLE FOR JAVA

Java List Replace at Index using set() function

// Java Program to Add Elements to a List

// Importing all utility classes
import java.util.*;

// Main class
class Main {

	// Main driver method
	public static void main(String args[])
	{
		// Creating an object of List interface,
		// implemented by ArrayList class
		List<String> list = new ArrayList<>();

		// Adding elements to object of List interface
		// Custom elements
		list.add(0, "Apple");
		list.add(1, "Banana");
	    list.add(2, "Mango");

		// Print all the elements inside the
		// List interface object
		System.out.println("ArrayList: " + list+"
");
		
        // change the element of the array list
        list.set(1, "Orange");
        System.out.println("Modified ArrayList: " + list);
	}
}