Java ArrayList.toArray(T[] a)
Syntax
ArrayList.toArray(T[] a) has the following syntax.
public <T> T[] toArray(T[] a)
Example
In the following code shows how to use ArrayList.toArray(T[] a) method.
/*from w ww .ja v a 2s. c o m*/
import java.util.ArrayList;
import java.util.Arrays;
public class Main {
public static void main(String[] args) {
ArrayList<Integer> arrlist = new ArrayList<Integer> ();
arrlist.add(10);
arrlist.add(12);
arrlist.add(31);
arrlist.add(49);
// toArray copies content into other array
Integer myArray[] = new Integer[arrlist.size()];
myArray = arrlist.toArray(myArray);
System.out.println(Arrays.toString(myArray));
}
}
The code above generates the following result.
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