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The hashCode() method of CopyOnWriteArrayList method in Java
To get the hash code value of the list, you need to use the hashCode() method of the CopyOnWriteArrayList class.
The syntax is as follows
public int hashCode()
To work with CopyOnWriteArrayList class, you need to import the following package
import java.util.concurrent.CopyOnWriteArrayList;
The following is an example to implement CopyOnWriteArrayList class hashCode() method in Java
Example
import java.util.concurrent.CopyOnWriteArrayList;
public class Demo {
public static void main(String[] args) {
CopyOnWriteArrayList<Integer> arrList = new CopyOnWriteArrayList<Integer>();
arrList.add(30);
arrList.add(40);
arrList.add(60);
arrList.add(70);
arrList.add(90);
arrList.add(100);
arrList.add(120);
System.out.println("CopyOnWriteArrayList = " + arrList);
System.out.println("HashCode of the CopyOnWriteArrayList class = " + arrList.hashCode());
}
}Output
CopyOnWriteArrayList = [30, 40, 60, 70, 90, 100, 120] HashCode of the CopyOnWriteArrayList class = -494097927
Updated on: 30-Jul-2019
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