to arraylist java code example

Example 1: Create ArrayList from array java

new ArrayList<>(Arrays.asList(array));

Example 2: java list to array

String[] arr = list.toArray(new String[list.size()]);

Example 3: java array to arraylist

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

Example 4: Create ArrayList from array java

new ArrayList<>(Arrays.asList(array))

Example 5: java list to array

List<String> stockList = new ArrayList<String>();
stockList.add("stock1");
stockList.add("stock2");

String[] stockArr = new String[stockList.size()];
stockArr = stockList.toArray(stockArr);

for(String s : stockArr)
    System.out.println(s);

Example 6: convert arraylist to array in java

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