/Java/Convert list of integer to array in java

Convert list of integer to array in java

List to int array in java 8

int[] array = list.stream().mapToInt(i->i).toArray();

3

Source: stackoverflow.com

Convert list of integer to array in java

List<Integer> al = new ArrayList<Integer>(); 
Integer[] arr = new Integer[al.size()]; 
arr = al.toArray(arr);

2

Convert int[] to list java

int arr[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
List lst = Arrays.asList(arr);
System.out.println(lst.size());

0

Source: stackoverflow.com

Convert Integer arraylist to array java

Your_ArrayList_Name.stream().mapToInt(k->k).toArray();

-1

Similar codes

0 vote189 views1 answer
Void add method using collections
Java
0 vote225 views1 answer
How to right align in java
Java
1 vote207 views1 answer
How to find the largest number in a 2d array java
Java
1 vote214 views1 answer
Do you have to implement all methods of an interface java
Java
0 vote224 views1 answer
Printwriter java append to file
Java
0 vote227 views2 answers
Find power of number in method java
Java
0 vote261 views1 answer
Component spring
Java Spring
0 vote245 views1 answer
Java what is at
Java
0 vote201 views1 answer
Java 14 switch
Java
6 votes238 views2 answers
Java heap example
Java

Share