• • It is the child class of Vector.
• • It is a specially designed class for LIFO(Last in First Out) order. That means what ever the last object will be inserted that object will be deleted first.

Constructor :

Creates an empty Stack Object.

Methods :

• • For inserting an object to the stack.

  Object push(Object o);

• • To remove and returns top of the stack.

  Object pop();

• • To return the top of the stack without removal of object.

  Object peek();

• • if the specified object is available, then it return its offset from top of the stack and if the object is not available then it returns -1.

  int search(Object o);

Example: StackDemo.java:

Output:

[silan,tilan,tapu]
3
-1