Examples of java.util.Stack.push()

java.util.Stack.push()
Pushes an item onto the top of this stack. This has exactly the same effect as:
```
 addElement(item)
```
@param item the item to be pushed onto this stack. @return the item argument. @see java.util.Vector#addElement

  _namespaces.put(EMPTYSTRING, stack = new Stack());
  stack.push(EMPTYSTRING);
  _prefixStack.push(EMPTYSTRING);


  _namespaces.put(XML_PREFIX, stack = new Stack());
  stack.push("http://www.w3.org/XML/1998/namespace");
  _prefixStack.push(XML_PREFIX);


  _nodeStack.push(new Integer(-1));
  _depth = 0;
    }

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  if (!stack.empty() && uri.equals(stack.peek())) {
      return false;
  }


  stack.push(uri);
  _prefixStack.push(prefix);
  _nodeStack.push(new Integer(_depth));
  return true;
    }

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  {
      // Get the stack associated with this namespace prefix
      Stack stack = (Stack)_nsPrefixes.get(prefix);
      if (stack == null) {
    stack = new Stack();
    stack.push(new Integer(_prefixCount++));
    _nsPrefixes.put(prefix, stack);
      }


      // Check if the URI already exists before pushing on stack
      Integer idx;

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      // Check if the URI already exists before pushing on stack
      Integer idx;
      if ((idx = (Integer)_nsIndex.get(uri)) == null) {
    _nsIndex.put(uri, idx = new Integer(_uriCount++));
      }
      stack.push(uri);


      return stack;
  }


  /**

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    private void addVariableOrParam(VariableBase var) {
  Object existing = _variableScope.get(var.getName());
  if (existing != null) {
      if (existing instanceof Stack) {
    Stack stack = (Stack)existing;
    stack.push(var);
      }
      else if (existing instanceof VariableBase) {
    Stack stack = new Stack();
    stack.push(existing);
    stack.push(var);

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    Stack stack = (Stack)existing;
    stack.push(var);
      }
      else if (existing instanceof VariableBase) {
    Stack stack = new Stack();
    stack.push(existing);
    stack.push(var);
    _variableScope.put(var.getName(), stack);
      }
  }
  else {

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    stack.push(var);
      }
      else if (existing instanceof VariableBase) {
    Stack stack = new Stack();
    stack.push(existing);
    stack.push(var);
    _variableScope.put(var.getName(), stack);
      }
  }
  else {
      _variableScope.put(var.getName(), var);

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    // - Compatibility space of waiter A
    // - Stack of compatibility spaces with granted lock for waiter A


    Stack chain = new Stack();


    chain.push(startingLock.getCompatabilitySpace());
    chain.push(control.getGrants());
outer:  for (;;) {


      if (chain.isEmpty()) {
        // all done

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    // - Stack of compatibility spaces with granted lock for waiter A


    Stack chain = new Stack();


    chain.push(startingLock.getCompatabilitySpace());
    chain.push(control.getGrants());
outer:  for (;;) {


      if (chain.isEmpty()) {
        // all done
        break outer;

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      // this stack of granted locks can contain multiple entries
      // for a single space. We don't want to do deadlock detection
      // twice so check to see if we have seen this space already.
      for (int gs = 0; gs < endStack; gs++) {
        if (space.equals(((Lock) grants.get(gs)).getCompatabilitySpace())) {
          chain.push(space); // set up as rollback() expects.
          rollback(chain);
          continue outer;
        }
      }

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