collection coding interview questions
import java.util.*;
public class ArrayListContainsExample {
public static void main(String args[]) {
// initialize ArrayList
ArrayList<Integer> al = new ArrayList<Integer>();
// add elements to ArrayList object
al.add(3);
al.add(17);
al.add(6);
al.add(9);
al.add(7);
// check if ArrayList contains element
if (al.contains(7)) {
System.out.println("7 was found in the list");
} else {
System.out.println("7 was not found in the list");
}
}
}