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ArrayList.set Method

Visual Studio 2005

Sets an element in a ArrayList object at the specified index.

Package: java.util

Assembly: vjslib (in vjslib.dll)


public java.lang.Object set(
    int ix,
    java.lang.Object e);

Parameters

ix

The index of the element to be set.

e

The element to be set at the specified index.

The element that previously existed at the specified index.

The following example changes an existing element in an ArrayList.

// arraylist_set.jsl

import java.util.*;

public class Program
{
    public static void main(String[] args)
    {
        // Create an ArrayList containing a simple sentence.
        ArrayList arrList = new ArrayList();
        arrList.add(new String("Today"));
        arrList.add(new String("is"));
        arrList.add(new String("Thursday"));

        // Change the day to Friday.
        arrList.set(2, new String("Friday"));

        Iterator iter = arrList.iterator();
        while (iter.hasNext())
        {
            System.out.print(iter.next() + " ");
        }
    }
}

/*
Output:
Today is Friday
*/
Show: