Stack Codez

Lab Stack

public class MyStack
{
   private int maxSize;
   private Object[] stackArray;
   private int top;
   public MyStack(int s)
   {
      maxSize = s;
      stackArray = new Object[maxSize];
      top = -1;
   }

   public void push(Object j)
   {
      stackArray[++top] = j;
   }

   public Object pop()
   {
      return stackArray[top--];
   }

   public Object peek()
   {
      return stackArray[top];
   }

   public boolean empty()
   {
      return (top == -1);
   }

   public boolean isFull()
   {
      return (top == maxSize - 1);
   }

   public Object search(int i)
   {
       return stackArray[i];
    }

   public static void main(String[] args)
   {
      MyStack theStack = new MyStack(10);
      theStack.push(10);
      theStack.push(20);
      theStack.push(30);
      theStack.push(40);
      theStack.push(50);
      while (!theStack.empty())
      {
         Object value = theStack.pop();
         System.out.print(value);
         System.out.print(" ");
      }
      System.out.println("");
      System.out.println("Find obj on index 2:" +theStack.search(2));
   }
}