AtomicReferenceArray length() method in Java with Examples

Last Updated : 03 Jan, 2020
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The length() method of a AtomicReferenceArray class is used to return the length of this AtomicReferenceArray. Syntax: 
public final int length()
Parameters: This method accepts nothing. Return value: This method returns the integer representing length of this AtomicReferenceArray. Below programs illustrate the length() method: Program 1: Java 
// Java program to demonstrate
// AtomicReferenceArray.length() method

import java.util.concurrent.atomic.*;

public class GFG {

    public static void main(String[] args)
    {

        // create an atomic reference object.
        AtomicReferenceArray<Integer> ref
            = new AtomicReferenceArray<Integer>(5);

        // print the length
        int length = ref.length();
        System.out.println(
            "length of AtomicReferenceArray = "
            + length);
    }
}
Output: 
length of AtomicReferenceArray = 5
Program 2: Java 
// Java program to demonstrate
// AtomicReferenceArray.length() method

import java.util.concurrent.atomic.*;

public class GFG {

    public static void main(String[] args)
    {

        // create a array of Strings
        String[] names
            = { "AMAN", "AMAR", "SURAJ" };

        // create an atomic reference object.
        AtomicReferenceArray<String> ref
            = new AtomicReferenceArray<String>(names);

        // print the length
        int length = ref.length();
        System.out.println(
            "length of AtomicReferenceArray = "
            + length);
    }
}
Output: 
length of AtomicReferenceArray = 3
References: https://docs.oracle.com/javase/10/docs/api/java/util/concurrent/atomic/AtomicReferenceArray.html#length()

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