CSE 143
 Miniquiz 13                                                        Name:
 12/03/2002                                                           Section:
 Time : 6 minutes
 
Consider the following implementation of a stack using a linked
list.

class MyLink{
 public Object obj;
 public MyLink next;
 public MyLink()
 {}
}

class Stack{

 //pointer to the top element of the the stack
 MyLink top;

//constructor
public Stack(){
top=null;
}

//function for checking if the stack is empty
 public boolean isEmpty()
 {
  //here goes the code...

 }

 // function for pushing an element onto the stack
 public void push(Object o)
 {
 
   //here goes the code...

 }

}


Write down an implementation for the functions
isEmpty() and push() as defined above.