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  1.  
  2. class Practicestack {
  3.  
  4.         public static void main(String[] args) {
  5.             Stackx newStack = new Stackx(5);
  6.             newStack.push("redShirt");
  7.             newStack.push("greenShirt");
  8.             newStack.push("yellowPants");
  9.             newStack.push("purpleSocks");
  10.             newStack.push("pinkSocks");
  11.             newStack.peek();
  12.  
  13. //Display the Full Stack
  14.             newStack.display();
  15. //Test removing a value using pop method
  16.             newStack.pop();
  17.  
  18.             newStack.display();
  19.           }
  20. }
  21. class Stackx {
  22.         private int maxSize; //number of items in stack
  23.         private String[] stackArray;
  24.         private int top; // top of stack
  25.  
  26.     public Stackx(int arraySize) {
  27.         maxSize = arraySize;
  28.         stackArray = new String[maxSize];
  29.         top = -1;
  30.     }
  31.  
  32.     public void push(String a) {    //put value on top of stack
  33.         if (top == maxSize - 1) 
  34.         {
  35.             System.out.println("Stack is full");
  36.         } else {
  37.  
  38.             top = top + 1;
  39.             stackArray[top] = a;
  40.         }
  41.     }
  42.  
  43.     public String pop() {              //take item from top of stack
  44.         if (!isEmpty())
  45.             return stackArray[top--]; // access item, decrement top
  46.         else {
  47.             System.out.println("Stack is Empty");
  48.             throw null;
  49.         }
  50.     }
  51.  
  52.     public String peek()               //peek at the top of the stack
  53.     {
  54.         return stackArray[top];
  55.     }
  56.  
  57.     public boolean isEmpty() {      //true if stack is empty
  58.         return top == -1;
  59.     }
  60.  
  61.     public void display() {
  62.  
  63.         for (int i = 0; i <= top; i++) {
  64.             System.out.print(stackArray[i] + " ");
  65.         }
  66.         System.out.println();
  67.     }
  68. } // End class stackx
Success #stdin #stdout 0.05s 4386816KB
comments (?)
stdin 
Standard input is empty
stdout 
redShirt greenShirt yellowPants purpleSocks pinkSocks 
redShirt greenShirt yellowPants purpleSocks
https://ideone.com/IdG1og
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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