Working with arraylist in java

How to convert ‘ArrayList to String array in Java

August 26, 2017November 27, 2017 - by Tirex - Leave a Comment

Using Collection.toArray method First way to convert arraylist is to use built-in for every java collection method toArray(T[] ts) For example:

List<String> animals = new ArrayList<String>();
//add some elements
animals.add("cat");
animals.add("dog");
String[] stringArray = animals.toArray(new String[0]);
System.out.println(Arrays.toString(stringArray));

List<String> animals = new ArrayList<String>();

//add some elements

animals.add("cat");

animals.add("dog");

String[] stringArray = animals.toArray(new String[0]);

System.out.println(Arrays.toString(stringArray));

The toArray() method without any argument returns Object[]. So you have …