java.util.Stack.elementAt()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中java.util.Stack.elementAt()方法的一些代码示例，展示了Stack.elementAt()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Stack.elementAt()方法的具体详情如下：
包路径：java.util.Stack
类名称：Stack
方法名：elementAt

Stack.elementAt介绍

暂无

代码示例

代码示例来源：origin: javax.el/javax.el-api

  1. /**
  2.  * Inquires if the name is a LambdaArgument
  3.  * @param arg A possible Lambda formal parameter name
  4.  * @return true if arg is a LambdaArgument, false otherwise.
  5.  */
  6. public boolean isLambdaArgument(String arg) {
  7.   if (lambdaArgs == null) {
  8.     return false;
  9.   }
  10.   for (int i = lambdaArgs.size() - 1; i >= 0; i--) {
  11.     Map<String, Object> lmap = lambdaArgs.elementAt(i);
  12.     if (lmap.containsKey(arg)) {
  13.       return true;
  14.     }
  15.   }
  16.   return false;
  17. }

代码示例来源：origin: alibaba/mdrill

  1. /** Transfer an element from the real to the virtual stack.  This assumes 
  2.   *  that the virtual stack is currently empty.  
  3.   */
  4.  @SuppressWarnings("unchecked")
  5. protected void get_from_real()
  6.   {
  7.    Symbol stack_sym;
  9.    /* don't transfer if the real stack is empty */
  10.    if (real_next >= real_stack.size()) return;
  12.    /* get a copy of the first Symbol we have not transfered */
  13.    stack_sym = (Symbol)real_stack.elementAt(real_stack.size()-1-real_next);
  15.    /* record the transfer */
  16.    real_next++;
  18.    /* put the state number from the Symbol onto the virtual stack */
  19.    vstack.push(new Integer(stack_sym.parse_state));
  20.   }

代码示例来源：origin: robovm/robovm

  1. /**
  2.  * Utility function to see if the stack contains the given URL.
  3.  *
  4.  * @param stack non-null reference to a Stack.
  5.  * @param url URL string on which an equality test will be performed.
  6.  *
  7.  * @return true if the stack contains the url argument.
  8.  */
  9. private boolean stackContains(Stack stack, String url)
  10. {
  11.  int n = stack.size();
  12.  boolean contains = false;
  13.  for (int i = 0; i < n; i++)
  14.  {
  15.   String url2 = (String) stack.elementAt(i);
  16.   if (url2.equals(url))
  17.   {
  18.    contains = true;
  19.    break;
  20.   }
  21.  }
  22.  return contains;
  23. }

代码示例来源：origin: xalan/xalan

  1. /**
  2.  * Utility function to see if the stack contains the given URL.
  3.  *
  4.  * @param stack non-null reference to a Stack.
  5.  * @param url URL string on which an equality test will be performed.
  6.  *
  7.  * @return true if the stack contains the url argument.
  8.  */
  9. private boolean stackContains(Stack stack, String url)
  10. {
  11.  int n = stack.size();
  12.  boolean contains = false;
  13.  for (int i = 0; i < n; i++)
  14.  {
  15.   String url2 = (String) stack.elementAt(i);
  16.   if (url2.equals(url))
  17.   {
  18.    contains = true;
  19.    break;
  20.   }
  21.  }
  22.  return contains;
  23. }

代码示例来源：origin: alibaba/mdrill

  1. /** Do debug output for stack state. [CSA]
  2.  */
  3. public void debug_stack() {
  4.   StringBuffer sb=new StringBuffer("## STACK:");
  5.   for (int i=0; i<stack.size(); i++) {
  6.   Symbol s = (Symbol) stack.elementAt(i);
  7.   sb.append(" <state "+s.parse_state+", sym "+s.sym+">");
  8.   if ((i%3)==2 || (i==(stack.size()-1))) {
  9.     debug_message(sb.toString());
  10.     sb = new StringBuffer("         ");
  11.   }
  12.   }
  13. }

代码示例来源：origin: javax.el/javax.el-api

  1. /**
  2.  * Retrieves the Lambda argument associated with a formal parameter.
  3.  * If the Lambda expression is nested within other Lambda expressions, the
  4.  * arguments for the current Lambda expression is first searched, and if
  5.  * not found, the arguments for the immediate nesting Lambda expression
  6.  * then searched, and so on.
  7.  *
  8.  * @param arg The formal parameter for the Lambda argument
  9.  * @return The object associated with formal parameter.  Null if 
  10.  *      no object has been associated with the parameter.
  11.  * @since EL 3.0
  12.  */
  13. public Object getLambdaArgument(String arg) {
  14.   if (lambdaArgs == null) {
  15.     return null;
  16.   }
  17.   for (int i = lambdaArgs.size() - 1; i >= 0; i--) {
  18.     Map<String, Object> lmap = lambdaArgs.elementAt(i);
  19.     Object v = lmap.get(arg);
  20.     if (v != null) {
  21.       return v;
  22.     }
  23.   }
  24.   return null;
  25. }

代码示例来源：origin: gocd/gocd

  1. if (s.size() < 2) {
  2. for (int i = 0; i < s.size(); i++) {
  3.   if (i > 1) {
  4.   sb.append(s.elementAt(i));

代码示例来源：origin: alibaba/mdrill

  1. /** Dump the parse stack for debugging purposes. */
  2. public void dump_stack()
  3.  {
  4.   if (stack == null)
  5.  {
  6.   debug_message("# Stack dump requested, but stack is null");
  7.   return;
  8.  }
  9.   debug_message("============ Parse Stack Dump ============");
  10.   /* dump the stack */
  11.   for (int i=0; i<stack.size(); i++)
  12.  {
  13.   debug_message("Symbol: " + ((Symbol)stack.elementAt(i)).sym +
  14.      " State: " + ((Symbol)stack.elementAt(i)).parse_state);
  15.  }
  16.   debug_message("==========================================");
  17.  }

代码示例来源：origin: org.apache.ant/ant

  1. if (s.size() < 2) {
  2. final int size = s.size();
  3. for (int i = 0; i < size; i++) {
  4.   if (i > 1) {
  5.   sb.append(s.elementAt(i));

代码示例来源：origin: robovm/robovm

  1. int depth = namespaces.size();
  2.  NameSpace ns = (NameSpace) namespaces.elementAt(i);

代码示例来源：origin: xalan/xalan

  1. int depth = namespaces.size();
  2.  NameSpace ns = (NameSpace) namespaces.elementAt(i);

代码示例来源：origin: oubowu/OuNews

  1. public Activity getPreActivity() {
  2.   if (mActivityStack == null) {
  3.     return null;
  4.   }
  5.   int size = mActivityStack.size();
  6.   if (size < 2) {
  7.     return null;
  8.   }
  9.   return mActivityStack.elementAt(size - 2);
  10. }

代码示例来源：origin: bcel/bcel

  1. /**
  2.  * @param level nesting level, i.e., 0 returns the direct predecessor
  3.  * @return container of current entitity, i.e., predecessor during traversal
  4.  */
  5. public Object predecessor(int level) {
  6.  int size = stack.size();
  7.  if((size < 2) || (level < 0))
  8.   return null;
  9.  else
  10.   return stack.elementAt(size - (level + 2)); // size - 1 == current
  11. }

代码示例来源：origin: com.sun.xml.parsers/jaxp-ri

  1. /**
  2.  * @param level nesting level, i.e., 0 returns the direct predecessor
  3.  * @return container of current entitity, i.e., predecessor during traversal
  4.  */
  5. public Object predecessor(int level) {
  6.  int size = stack.size();
  7.  if((size < 2) || (level < 0))
  8.   return null;
  9.  else
  10.   return stack.elementAt(size - (level + 2)); // size - 1 == current
  11. }

代码示例来源：origin: org.eclipse.epsilon/epsilon-core

  1. /**
  2.  * @return the executable template specification
  3.  *         that is one below the top() of the stack.
  4.  */
  5. public ExecutableTemplateSpecification second() {
  6.   return specs.elementAt(specs.size()-2);
  7. }

代码示例来源：origin: com.thaiopensource/jing

  1. public String getNamespaceUri(String prefix) {
  2.  for (int i = prefixes.size(); i > 0; i -= 2) {
  3.   if (prefixes.elementAt(i - 2).equals(prefix))
  4.    return (String)prefixes.elementAt(i - 1);
  5.  }
  6.  return null;
  7. }

代码示例来源：origin: org.daisy.libs/jing

  1. public String getNamespaceUri(String prefix) {
  2.  for (int i = prefixes.size(); i > 0; i -= 2) {
  3.   if (prefixes.elementAt(i - 2).equals(prefix))
  4.    return (String)prefixes.elementAt(i - 1);
  5.  }
  6.  return null;
  7. }

代码示例来源：origin: httpunit/httpunit

  1. /**
  2.  * Returns the most recently pushed context which implements the specified class.
  3.  * Will return null if no matching context is found.
  4.  */
  5. public Object getClosestContext( Class matchingClass ) {
  6.   for (int i = _traversalContext.size()-1; i >= 0; i-- ) {
  7.     Object o = _traversalContext.elementAt( i );
  8.     if (matchingClass.isInstance(o)) return o;
  9.   }
  10.   return null;
  11. }

代码示例来源：origin: org.jboss.jbossts.xts/jbossxts

  1. public String toString ()
  2. {
  3. String toReturn = "Activity context:";
  5. if ((_hierarchy == null) || (_hierarchy.size() == 0))
  6.   toReturn += " null";
  7. else
  8. {
  9.   for (int i = 0; i < _hierarchy.size(); i++)
  10.   toReturn += " "+_hierarchy.elementAt(i);
  11. }
  12. return toReturn;
  13. }

代码示例来源：origin: org.jboss.jbossts/jbossxts

  1. public String toString ()
  2. {
  3. String toReturn = "Activity context:";
  5. if ((_hierarchy == null) || (_hierarchy.size() == 0))
  6.   toReturn += " null";
  7. else
  8. {
  9.   for (int i = 0; i < _hierarchy.size(); i++)
  10.   toReturn += " "+_hierarchy.elementAt(i);
  11. }
  12. return toReturn;
  13. }

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