CLASE LEER

import java.io.*;

public class Leer 
{

 public String getString()
 {
  InputStreamReader isr = new InputStreamReader(System.in); 
  BufferedReader br = new BufferedReader (isr);
  String s="";
  try
  {
   s = br.readLine();
  }
  catch(Exception ex)
  {
   System.out.println(ex.getMessage());
  }
  return s;
 }

 public int getInt()  
 {
  String s;
  int valInt=0;
  s=this.getString();
  try
  {
   valInt = Integer.parseInt(s);
  }
  catch(Exception ex)
  {
   System.out.println(ex.getMessage());
   
  }
  return valInt;
 }
 public double getDouble()
 {
   String s;
  double aDub=0.0;
  s=this.getString();
   try
   {
    aDub = Double.parseDouble(s);
   }
   catch(Exception ex)
  {
   System.out.println(ex.getMessage());
  }
   return aDub;
    }
 public char getChar()
 {
  String s;
  s="";
    try
    {
     s = this.getString();
    }
    catch(Exception ex)
  {
   System.out.println(ex.getMessage());
  }
   return s.charAt(0);
    }
    public char getCharMay()  
 {
    String s;
    s="";
    try
    {
     s = this.getString();
    }
    catch(Exception ex)
    {
     System.out.println(ex.getMessage());
     
    }
    s = s.toUpperCase();
    return s.charAt(0);
    }
   
    public String getTextMay()  
 {
    String s;
    s="";
    try
    {
     s = this.getString();
    }
    catch(Exception ex)
    {
     System.out.println(ex.getMessage());
     
    }
    s = s.toUpperCase();
    return s;
    }
}