![]() Please leave comments below if you have a question or even just a comment. Integer pos = arch(element) if(pos = -1) ("Element not found") Return 1-based position where object o is on this stack. Pushes an item onto the top of this stack. peek(): Get the top data element of the stack, without removing it. Removes the object at the top of this stack and returns it. pop(): Removing an element from the stack. Looks at the object at the top of stack without removing it. If you’re interested in a barebones implementation of the stack data structure, here’s a good implementation using linked list.For example, you can use ArrayDeque class. In practice, if you need support for LIFO operations, an implementation of the Deque interface should be preferred over the Stack class.When a function exits, it is removed from the stack. When a function is called, it is added to the top of the stack along with its data. Each process (or thread) gets a reserved region of memory that acts like a stack. Stacks are also used in computing architectures for memory layout of processes. ![]()
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