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https://github.com/sharkdp/bat
synced 2024-12-29 13:43:05 +00:00
64 lines
1.4 KiB
C#
64 lines
1.4 KiB
C#
namespace StackImplementation
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{
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internal class Stack<T>
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{
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private int _top;
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private const int Capacity = 4;
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private readonly T[] _stack = new T[Capacity];
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public Stack()
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{
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_top = -1;
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}
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private bool IsEmpty()
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{
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return _top < 0;
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}
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private bool IsFull()
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{
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return _top == Capacity - 1;
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}
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public void Peek()
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{
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System.Console.WriteLine(!IsEmpty() ? $"The topmost element is: {_stack[_top]}" : "The stack is empty.");
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}
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public T Pop()
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{
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return !IsEmpty() ? _stack[_top--] : default;
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}
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public void Push(T element)
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{
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if (!IsFull())
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{
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_stack[++_top] = element;
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}
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else
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{
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System.Console.WriteLine("Cannot push - the stack is full.");
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}
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}
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public override string ToString()
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{
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if (IsEmpty())
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{
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return "The stack is empty.";
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}
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var depiction = "";
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for (var index = 0; index < _top; index++)
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{
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depiction += _stack[index].ToString() + ' ';
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}
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depiction += _stack[_top].ToString();
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return $"Stack: [{depiction}]";
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}
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}
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}
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