The java.util.Stack class is a Collection that behaves in a last-in-first-out (LIFO) manner.
import java.util.Stack;
public class MainClass {
public static void main (String args[]) {
Stack s = new Stack();
s.push("A");
s.push("B");
s.push("C");
System.out.println(s);
}
}
[A, B, C]