convert list to array in java code example

Example 1: java array to list

Integer[] spam = new Integer[] { 1, 2, 3 };
List<Integer> list = Arrays.asList(spam);

Example 2: java list to array

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

Example 3: convert array to list java

Arrays.asList(array);

Example 4: java convert array to list

Integer[] array = new Integer[] {
  23, 54, 12
};

java.util.List<Integer> list = java.util.Arrays.asList(array);
System.out.println(list);

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 list to array in java

Integer[] arr = new Integer[al.size()]; 
arr = al.toArray(arr);