Answers for "java convert list of integer to int array"

6

integer arraylist to int array

//only works in java 8 or later
list.stream().mapToInt(i -> i).toArray();
Posted by: Guest on July-12-2020
1

list to int array in java 8

int[] array = list.stream().mapToInt(i->i).toArray();
Posted by: Guest on July-30-2020
2

convert list of integer to array in java

List<Integer> al = new ArrayList<Integer>(); 
Integer[] arr = new Integer[al.size()]; 
arr = al.toArray(arr);
Posted by: Guest on May-22-2020

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