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Which of these operations is typically O(1) for stacks?

What does the "Pop" operation in a stack do?

Stack Java

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Answers

1
What does the "Pop" operation in a stack do?
Checks if the stack is empty
Removes the top element from the stack
Views the top element without removing it
Adds an element to the stack
2
Which of these operations is typically O(1) for stacks?
IsEmpty
All of the above
Push,Pop,Peek
Size
3
In Java, which class is used to model a stack?
Stack
ArrayList
Vector
All of this
4
How does a stack assist in recursion?
By storing the result of mathematical expressions
By storing function calls and returning control to previous calls
By storing data and allowing random access
By calculating factorials
5
What is the time complexity of the "Push" operation in a stack?
O(n)
O(n^2)
O(1)
O(log n)
6
What is the main principle that a stack operates on?
First In, First Out (FIFO)
First In, Last Out (FILO)
Last In, First Out (LIFO)
I don't know :(
7
Which of the following is a type of stack that cannot grow beyond a certain size?
Simple Stack
Dynamic Stack
Recursive Stack
Bounded Stack
8
What happens if you try to pop an element from an empty stack?
The operation does nothing
An error occurs
It returns the first element of the stack
It returns null
9
Which of these is not a typical application area of stacks?
Memory management
Queue management
Mathematical expressions
Undo and Redo operations
10
Which operation is used to check the current top element of a stack without removing it?
Peek
Push
IsEmpty
Pop