Code example for Stack

Methods: isEmptysizepeekpop

    // pop command from stack and put it to one of collections 
    public void endElement(String namespaceURI, String localeName, 
            String tagName) throws SAXException { 
        Command cmd = stack.pop(); 
        // cmd.setTabCount(tabCount); 
        // find if command works in context 
        if (!stack.isEmpty()) { 
            Command ctx = stack.peek(); 
        // upper level commands 
        if (stack.size() == 1 && cmd.isExecutable()) { 
        // store reference to command 
        if (cmd.hasAttr("id")) { //$NON-NLS-1$ 
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