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how to convert arraylist to array in java

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Repulsive Rhinoceros answered on March 9, 2020 Popularity 8/10 Helpfulness 1/10

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how to convert arraylist to array in java

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// Java program to demonstrate working of
// Objectp[] toArray()
import java.io.*;
import java.util.List;
import java.util.ArrayList;
 
class GFG {
    public static void main(String[] args)
    {
        List<Integer> al = new ArrayList<Integer>();
        al.add(10);
        al.add(20);
        al.add(30);
        al.add(40);
 
        Object[] objects = al.toArray();
 
        // Printing array of objects
        for (Object obj : objects)
            System.out.print(obj + " ");
    }
}

Popularity 8/10 Helpfulness 1/10 Language java

Source: www.geeksforgeeks.org

Tags: arraylist java

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Contributed on Oct 08 2023

Repulsive Rhinoceros

0 Answers Avg Quality 2/10

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java array to arraylist

Comment

List<Element> list = Arrays.asList(array);

Popularity 10/10 Helpfulness 5/10 Language java

Source: dzone.com

Tags: arraylist arra

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Contributed on May 22 2020

Glamorous Gharial

0 Answers Avg Quality 2/10

converting arraylist to array java

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List<String> list = new ArrayList<>();
list.add("pizza");
list.add("dosa");
list.add("biryani");

//returns an array of String, hence better!!
String[] array1 = list.toArray(new String[0]);

//returns an array of Object
Object[] array2 = list.toArray();

Popularity 9/10 Helpfulness 5/10 Language java

Source: Grepper

Tags: arraylist arra

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Contributed on Jan 21 2023

Jolly Jaguar

0 Answers Avg Quality 2/10

java arraylist to array

Comments(1)

List<String> list = new ArrayList<>();
list.add("a");
list.add("ab");
list.add("abc");
list.add("abcd");
// convert
String[] array = list.toArray();

Popularity 10/10 Helpfulness 5/10 Language java

Source: Grepper

Tags: arraylist arra

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Contributed on Mar 09 2020

Dark Dove

0 Answers Avg Quality 2/10

how to convert arraylist to array in java

Comment

List<String> list=new ArrayList<String>();
list.add("sravan");
list.add("vasu");
list.add("raki");

// Conversion part
String names[]=list.toArray(new String[list.size()])

Popularity 10/10 Helpfulness 5/10 Language java

Source: Grepper

Tags: arraylist arra

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Contributed on Apr 14 2022

Vishal

0 Answers Avg Quality 2/10

convert array to array list java

Comment

String[] arr = { 1, 2, 3, 4 }
ArrayList<Integer> list = new ArrayList<Integer>();
Collections.addAll(list, arr);
// 'list' now contains [1, 2, 3, 4]

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: java

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Contributed on Nov 10 2022

Pixel Freak

0 Answers Avg Quality 2/10

convert arraylist to array in java

Comment

Integer[] arr = new Integer[al.size()]; 
  
        // ArrayList to Array Conversion 
        for (int i = 0; i < al.size(); i++) 
            arr[i] = al.get(i);

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: java

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Contributed on Nov 13 2020

0 Answers Avg Quality 2/10

how to convert a arraylist to array in java

Comment

Integer[] arr = new Integer[al.size()];
        arr = al.toArray(arr);

Popularity 9/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: arraylist arra

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Contributed on Aug 21 2022

Harsh Yadav

0 Answers Avg Quality 2/10

convert arraylist to array in java

Comment

Integer[] arr = new Integer[al.size()]; 
for (int i = 0; i < al.size(); i++) 
     arr[i] = al.get(i);

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: arraylist arra

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Contributed on Nov 13 2020

Encouraging Elephant

0 Answers Avg Quality 2/10

java arrayList of array to array of array

Comment

String[][] w = allProducts.toArray(new String[][] {});

Popularity 9/10 Helpfulness 3/10 Language java

Source: stackoverflow.com

Tags: arraylist arra

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Contributed on Apr 17 2022

Aryqs Ipsum

0 Answers Avg Quality 2/10

how to convert array to arraylist in java

Comment

// Java program to demonstrate conversion of
// Array to ArrayList of fixed-size.
import java.util.*;
 
class GFG
{
    public static void main (String[] args)
    {
        String[] geeks = {"Rahul", "Utkarsh",
                          "Shubham", "Neelam"};
 
        // Conversion of array to ArrayList
        // using Arrays.asList
        List al = Arrays.asList(geeks);
 
        System.out.println(al);
    }
}

Popularity 8/10 Helpfulness 3/10 Language java

Source: www.geeksforgeeks.org

Tags: arraylist java

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Contributed on Oct 08 2023

Repulsive Rhinoceros

0 Answers Avg Quality 2/10

how to convert arraylist to array in java

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