import java.io.*;
import java.util.*;

public class Identify
{
    private boolean isFound = false;
    private String question = "";
    private String idType   = "";
    
    public Identify(String s)
    {
        question = s;
    }
    
    /*
    public String defineType()
    {
        char[] array = question.toCharArray();
        String temp  = array[0] + "";
        //check for operator
        //check for number
        //check for ID
     
    }
     */
    public boolean isOperator()
    {
        if(
        question.equalsIgnoreCase("+")||question.equalsIgnoreCase("-")||question.equalsIgnoreCase("*")||
        question.equalsIgnoreCase("=")||question.equalsIgnoreCase(":")||question.equalsIgnoreCase("/")||
        question.equalsIgnoreCase("<")||question.equalsIgnoreCase(">")
        )
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    
    public boolean isBrace(String s)
    {
        if(
        question.equalsIgnoreCase("[")||question.equalsIgnoreCase("]")||question.equalsIgnoreCase("{")||
        question.equalsIgnoreCase("}")||question.equalsIgnoreCase("(")||question.equalsIgnoreCase(")")
        )
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    
    public boolean isPuntuation(String s)
    {
        if(
        question.equalsIgnoreCase(".")||question.equalsIgnoreCase(".")||question.equalsIgnoreCase(",")||
        question.equalsIgnoreCase(";")||question.equalsIgnoreCase("'")
        )
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    
    public boolean isNumber()
    {
        Integer istr = new Integer(question);
        String flag  = "";
        int i = 0;
        try
        {
            i = istr.parseInt(question);
            return true;
        }
        catch(Exception e)
        {
            return false;
        }
    }
    
    public static void main(String[] args)
    {
        Identify what = new Identify("005");
        System.out.println("what>>> " + what.isNumber());
    }
}