How to Use the Stack class in the [closed]

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I have a Parameter class which just has parameters

Parameter
{

 String inputfilename;
 int numA;
 double numbB;
  etc...
}

and ProcessParameter class that has methods defined

ProcessParameter
{
  openParameters
  {

     //Open file and read the parameters into the Parameter object
     BufferedReader openFile = new Buf开发者_开发百科feredReader(new FileReader(parameterFileName));
     String[] tokens = openFile.readLine().trim().split(DELIMITER); 
     Parameter openparameter = new Parameter();     
     openParameter.setInputFileName(tokens[0]);

     openFile.readLine();
     openParameter.setNumA = Integer.parseInt(tokens[0]);

}

My Question is : How do I use stack directly on the Parameter Class? *( i have about 15 parameters in the parameter class and will be using Update, save and open methods in the ProcessParameter class)*

I was trying:

     Stack<Parameter> stack = new Stack<Parameter>();
     stack.push(tokens[0]);

     openFile.readLine();
     **stack.push(Integer.parseInt(tokens[0]));**

I get this warning: The method push(Parameter) in the type Stack is not applicable for the arguments (int) Would really appreciate any pointers and thanks for the help.

---

You're trying to push an int when you said the Stack should contain Parameter instances.

You'll either need to change the generic type of stack or change how you store your tokens.