Stack:-
- It is the child class of vector contains only one constructor
Stack s = new Stack();
Methods of Stack:
- Object push(object o)
To insert an object into the stack
- Object pop();
To remove and returns top of stack
- Object peek();
To return top of the stack
- Boolean empty();
Return true when stack is empty
- Int search (object o)
return the offset from top of the stack if the object is available, otherwise return – 1
Example:-
Class StackDemo
{
public static void main(String[] args)
{
Stack s =new stack();
S.push(“A”);
S.push(“B”);
S.push(“C”);
System.out.println(s);
System.out.println(s.search(“A”));
System.out.println(s.search(“Z”));
}
}