ArrayList with fixed size

Java.util.ArrayList.size() Method


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Description

The java.util.ArrayList.size() method returns the number of elements in this list i.e the size of the list.

Declaration

Following is the declaration for java.util.ArrayList.size() method

public int size()

Parameters

NA

Return Value

This method returns the number of elements in this list.

Exception

NA

Example

The following example shows the usage of java.util.Arraylist.size() method.

Live Demo
package com.tutorialspoint; import java.util.ArrayList; public class ArrayListDemo { public static void main(String[] args) { // create an empty arraylist with an initial capacity ArrayList arrlist = new ArrayList(5); // use add() method to add elements in the list arrlist.add(15); arrlist.add(20); arrlist.add(25); arrlist.add(22); // let us print all the elements available in list for (Integer number : arrlist) { System.out.println("Number = " + number); } // this will print the size of this list int retval = arrlist.size(); System.out.println("Size of list = " + retval); } }

Let us compile and run the above program, this will produce the following result

Number = 15 Number = 20 Number = 25 Number = 22 Size of list = 4
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ArrayList with fixed size
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ArrayList with fixed size
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