Add linkedlist set method example

Author: gauravkukade

collections/linkedlist/set-element-at-an-index-in-linkedlist/LinkedListSet.java

@@ -0,0 +1,36 @@
+package com.gaurav.ExProject.LinkedList;
+
+import java.util.LinkedList;
+
+/**
+ * A java program to set an element at specified index
+ * using the set(int index, E element) method.
+ * 
+ * @author coderolls.com
+ */
+public class LinkedListSet {
+
+	public static void main(String[] args) {
+		LinkedList<String> linkedList = new LinkedList<String>();
+		
+		linkedList.add("IN");
+		linkedList.add("US");
+		linkedList.add("FR");
+		linkedList.add("JP");
+		linkedList.add("CN");
+		linkedList.add("RU");
+		
+		System.out.println("LinkedList before setting an element at index 4:");
+		System.out.println(linkedList);
+		
+		// replaces CN with BR 
+		// returns the previously present element at index 4 i.e CN
+		String previousElement = linkedList.set(4, "BR");
+		
+		System.out.println("\nLinkedList after setting an element BR at index 4:");
+		System.out.println(linkedList);
+		
+		System.out.println("\nPreviously present element at index 4:");
+		System.out.println(previousElement);
+	}
+}