- Java.util Package Classes
- Java.util - Home
- Java.util - ArrayDeque
- Java.util - ArrayList
- Java.util - Arrays
- Java.util - BitSet
- Java.util - Calendar
- Java.util - Collections
- Java.util - Currency
- Java.util - Date
- Java.util - Dictionary
- Java.util - EnumMap
- Java.util - EnumSet
- Java.util - Formatter
- Java.util - GregorianCalendar
- Java.util - HashMap
- Java.util - HashSet
- Java.util - Hashtable
- Java.util - IdentityHashMap
- Java.util - LinkedHashMap
- Java.util - LinkedHashSet
- Java.util - LinkedList
- Java.util - ListResourceBundle
- Java.util - Locale
- Java.util - Observable
- Java.util - PriorityQueue
- Java.util - Properties
- Java.util - PropertyPermission
- Java.util - PropertyResourceBundle
- Java.util - Random
- Java.util - ResourceBundle
- Java.util - ResourceBundle.Control
- Java.util - Scanner
- Java.util - ServiceLoader
- Java.util - SimpleTimeZone
- Java.util - Stack
- Java.util - StringTokenizer
- Java.util - Timer
- Java.util - TimerTask
- Java.util - TimeZone
- Java.util - TreeMap
- Java.util - TreeSet
- Java.util - UUID
- Java.util - Vector
- Java.util - WeakHashMap
- Java.util Package Extras
- Java.util - Interfaces
- Java.util - Exceptions
- Java.util - Enumerations
- Java.util Useful Resources
- Java.util - Useful Resources
- Java.util - Discussion
Java LinkedList set() Method
Description
The Java LinkedList set(int index, E element) replaces the element at the specified position in this list with the specified element. The size of the linkedlist remains same after this operation on the linkedlist.
Declaration
Following is the declaration for java.util.LinkedList.set() method
public E set(int index, E element)
Parameters
index − This is the index of the element to replace.
element − This is the element to be stored at the specified position.
Return Value
This method returns the element previously at the specified position.
Exception
IndexOutOfBoundsException − If the index is out of range
Example
The following example shows the usage of java.util.LinkedList.set() method.
Adding the Element to a Particular Location in the LinkedList of Integers Example
The following example shows the usage of Java LinkedList set(index, element) method. We're adding couple of Integers to the LinkedList object using add() method calls per element and using set(index, element) method, we're insert one of the element by index in between and printing it.
package com.tutorialspoint; import java.util.LinkedList; public class LinkedListDemo { public static void main(String[] args) { // create an empty linked list LinkedList<Integer> linkedList = new LinkedList<>(); // use add() method to add elements in the linkedList linkedList.add(20); linkedList.add(30); linkedList.add(20); linkedList.add(30); linkedList.add(15); linkedList.add(22); linkedList.add(11); // insert an element at index 2 linkedList.set(2, 50); // let us print the 3rd element System.out.println("3rd Element = " + linkedList.get(2)); } }
Output
Let us compile and run the above program, this will produce the following result −
3rd Element = 50
Adding the Element to a Particular Location in the LinkedList of Strings Example
The following example shows the usage of Java LinkedList set(index, element) method. We're adding couple of Strings to the LinkedList object using add() method calls per element and using set(index, element) method, we're insert one of the element by index in between and printing it.
package com.tutorialspoint; import java.util.LinkedList; public class LinkedListDemo { public static void main(String[] args) { // create an empty linked list LinkedList<String> linkedList = new LinkedList<>(); // use add() method to add elements in the linkedList linkedList.add("Welcome"); linkedList.add("To"); linkedList.add("Tutorialspoint"); // insert an element at index 2 linkedList.set(2, "World Of"); // let us print the 3rd element System.out.println("3rd Element = " + linkedList.get(2)); } }
Output
Let us compile and run the above program, this will produce the following result −
3rd Element = World Of
Adding the Element to a Particular Location in the LinkedList of Objects Example
The following example shows the usage of Java LinkedList set(index, element) method. We're adding couple of Student objects to the LinkedList object using add() method calls per element and using set(index, element) method, we're insert one of the element by index in between and printing it.
package com.tutorialspoint; import java.util.LinkedList; public class LinkedListDemo { public static void main(String[] args) { // create an empty linkedList LinkedList<Student> linkedList = new LinkedList<>(); // use add() method to add elements in the linkedList linkedList.add(new Student(1, "Julie")); linkedList.add(new Student(2, "Robert")); linkedList.add(new Student(3, "Adam")); // insert an element at index 2 linkedList.set(2, new Student(4, "Jene")); // let us print the 3rd element System.out.println("3rd Element = " + linkedList.get(2)); } } class Student { int rollNo; String name; Student(int rollNo, String name){ this.rollNo = rollNo; this.name = name; } @Override public String toString() { return "[ " + this.rollNo + ", " + this.name + " ]"; } }
Output
Let us compile and run the above program, this will produce the following result −
3rd Element = [ 4, Jene ]