AbstractCollection.toString() in Java

AbstractCollection.toString(): This method is available in java.util.ArrayList class of Java.

Syntax:

String java.util.AbstractCollection.toString()

This method returns a string representation of this collection.

Parameters: NA

Returns: a string representation of this collection.

Exceptions: NA

Approach

Java

import java.util.ArrayList;

public class ArrayListtoString {
    public static void main(String[] args) {
        ArrayList<Integer> arr = new ArrayList<>();
        arr.add(1);
        arr.add(2);
        arr.add(3);
        System.out.println(arr.toString());

    }
}

Output:

[1, 2, 3]