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//: containers/Stacks.java

package containers; /* Added by Eclipse.py */

// Demonstration of Stack Class.

import java.util.*;

import static net.mindview.util.Print.*;

enum Month { JANUARY, FEBRUARY, MARCH, APRIL, MAY, JUNE,

JULY, AUGUST, SEPTEMBER, OCTOBER, NOVEMBER }

public class Stacks {

public static void main(String[] args) {

Stack<String> stack = new Stack<String>();

for(Month m : Month.values())

stack.push(m.toString());

print("stack = " + stack);

// Treating a stack as a Vector:

stack.addElement("The last line");

print("element 5 = " + stack.elementAt(5));

print("popping elements:");

while(!stack.empty())

printnb(stack.pop() + " ");

// Using a LinkedList as a Stack:

LinkedList<String> lstack = new LinkedList<String>();

for(Month m : Month.values())

lstack.addFirst(m.toString());

print("lstack = " + lstack);

while(!lstack.isEmpty())

printnb(lstack.removeFirst() + " ");

// Using the Stack class from

// the Holding Your Objects Chapter:

net.mindview.util.Stack<String> stack2 =

new net.mindview.util.Stack<String>();

for(Month m : Month.values())

stack2.push(m.toString());

print("stack2 = " + stack2);

while(!stack2.empty())

printnb(stack2.pop() + " ");

}

} /* Output:

stack = [JANUARY, FEBRUARY, MARCH, APRIL, MAY, JUNE, JULY, AUGUST, SEPTEMBER, OCTOBER, NOVEMBER]

element 5 = JUNE

popping elements:

The last line NOVEMBER OCTOBER SEPTEMBER AUGUST JULY JUNE MAY APRIL MARCH FEBRUARY JANUARY lstack = [NOVEMBER, OCTOBER, SEPTEMBER, AUGUST, JULY, JUNE, MAY, APRIL, MARCH, FEBRUARY, JANUARY]

NOVEMBER OCTOBER SEPTEMBER AUGUST JULY JUNE MAY APRIL MARCH FEBRUARY JANUARY stack2 = [NOVEMBER, OCTOBER, SEPTEMBER, AUGUST, JULY, JUNE, MAY, APRIL, MARCH, FEBRUARY, JANUARY]

NOVEMBER OCTOBER SEPTEMBER AUGUST JULY JUNE MAY APRIL MARCH FEBRUARY JANUARY

*///:~