/Java/Convert Integer arraylist to array java

Convert Integer arraylist to array java

Integer arraylist to int array

//only works in java 8 or later
list.stream().mapToInt(i -> i).toArray();

7

Arraylist to array java

ArrayList<String> ArrayLister=new ArrayList<>(){ArrayLister.add("Hi")};
String[] array=ArrayLister.toArray(String[]);

1

Convert Integer arraylist to array java

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

-1

Similar codes

1 vote315 views1 answer
List java versions mac
Java
0 vote352 views1 answer
Codepointat java
Java
1 vote343 views1 answer
Fast Lookup of Java
Java
0 vote313 views1 answer
1 elemenet array java
Java
2 votes325 views1 answer
Java convert string to int array
Java
3 votes321 views1 answer
Android array list length
Java
4 votes358 views6 answers
Java while loop
Java
1 vote418 views2 answers
Spring boot docker
Java Spring
0 vote264 views1 answer
Android list index
Java
5 votes355 views3 answers
How to install java 8 on ubuntu 20.04
Java

Share