This method is used to generate the hashCode for the given list.
Syntax:
int hashCode()
Parameters: This function has no parameter.
Returns: This function returns the hashCode value for the given list.
Below programs show the implementation of this method.
Program 1:
// Java code to show the implementation of// hashCode method in list interfaceimport java.util.*;public class GfG { // Driver code public static void main(String[] args) { // Initializing a list of type Linkedlist List<Integer> l = new LinkedList<>(); l.add(10); l.add(15); l.add(20); System.out.println(l); int hash = l.hashCode(); System.out.println(hash); }} |
Output:
[10, 15, 20] 39886
Program 2: Below is the code to show implementation of list.hashCode() using Linkedlist.
// Java code to show the implementation of// hashCode method in list interfaceimport java.util.*;public class GfG { // Driver code public static void main(String[] args) { // Initializing a list of type Linkedlist List<String> l = new LinkedList<>(); l.add("10"); l.add("15"); l.add("20"); System.out.println(l); int hash = l.hashCode(); System.out.println(hash); }} |
Output:
[10, 15, 20] 1586008
Reference:
Oracle Docs
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