/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

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