Java índice de matriz
java.util.Arrays.asList(theArray).indexOf(o)
Crazy Curlew
java.util.Arrays.asList(theArray).indexOf(o)import java.util.ArrayList;
class Main {
public static void main(String[] args) {
// create an ArrayList
ArrayList<Integer> numbers = new ArrayList<>();
// insert element to the arraylist
numbers.add(22);
numbers.add(13);
numbers.add(35);
System.out.println("Number ArrayList: " + numbers);
// find the position of 13
int position1 = numbers.indexOf(13);
System.out.println("Index of 13: " + position1);
// find the position of 50
int position2 = numbers.indexOf(50);
System.out.println("Index of 50: " + position2);
}
}