StackNode.java

package datastructs;public class StackNode<T> {    private T value;    private StackNode<T> next;    public StackNode(T value, StackNode<T> next) {        this.value = value;        this.next = next;    }    public StackNode<T> getNext() {        return next;    }    public void setNext(StackNode<T> next) {        this.next = next;    }    public T getValue() {        return value;    }    public void setValue(T value) {        this.value = value;    }}