stack class

class Stack {
    private int size;
    private int top;
    private String[] stack;

    public Stack(int size) {
        this.size = size;
        stack = new String[size];
        top = -1;
    }
    public int getSize()  {
        return size;
    }
    public boolean isEmpty(){
        return (top==-1);
    }
    public boolean isFull(){
        return (top==size-1);
    }
    public void push(String item)  {
        if(isFull()) {
            Util.print("Stack is full");
        }
        stack[++top] = item;

    }
    public String pop() {
        if(isEmpty()) {
            Util.print("The stack is empty");
            return "";
        }
        return stack[top--];

    }
    public void reset() {
        for(int i=0; i<getSize(); i++) {
            stack[i] = "";
        }
        top = -1;
    }
    public void print(){

        for(int i=0; i<getSize(); i++) {
            Util.print(stack[i]);
        }
    }
}