import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;


class Main 
{
    public static void main(String[] args) {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader buff = new BufferedReader(isr);

        String inputUser;

        try {
            // Buffer
            System.out.printf("%n");
            System.out.printf("Ingrese un numero Int: ");
            inputUser = buff.readLine();
            int inputUserInt = Integer.parseInt(inputUser);

            System.out.printf("Ingrese un numero Float: ");
            inputUser = buff.readLine();
            float inputUserFloat = Float.parseFloat(inputUser);



            System.out.printf("Ingrese un numero Double: ");
            inputUser = buff.readLine();
            double inputUserDouble = Double.parseDouble(inputUser);

            System.out.printf("Ingrese un numero String: ");
            inputUser = buff.readLine();
            String inputUserString = inputUser;

            System.out.printf("| Int: %d | Float: %.02f | Double: %.02f | String: %s |%n", 
                inputUserInt, inputUserFloat, inputUserDouble, inputUserString);

            System.out.printf("%n"); 
            // Loop
            for (int x = 1; x <= 11; x = x + 1) { 
                // Loop 11
                System.out.printf("Loop: %d%n", x); 
            }

            // Other parsers
            System.out.printf("%n"); 
            switch ((int)12.23D) {
                case 11:
                    System.out.printf("Case: 11%n");
                    break;
                case 12:
                    System.out.printf("Case: 12%n");
                    break;
                case 13:
                    System.out.printf("Case: 13%n");
                    break;
                default:
                    System.out.printf("Case: Default%n");
                    break;
            }
            System.out.printf("%n"); 

            // Print parser
            System.out.printf("Integer 0: %d%n", (int) 1.2); 

            System.out.printf("Float 0: %.2f%n", 1f); 
            System.out.printf("Float 1: %.2f%n", (float)1); 

            System.out.printf("Double 0: %.2f%n", 1d); 
            System.out.printf("Double 1: %.2f%n", (double)1); 

            System.out.printf("Long 0: %d%n", 1l); 
            System.out.printf("Long 1: %d%n", (long) 1); 

            System.out.printf("String 0: %s%n", String.valueOf(1));
            System.out.printf("String 1: %s%n", String.valueOf(2f));
            System.out.printf("String 2: %s%n", String.valueOf(3l));

            System.out.printf("String 3: %s%n", String.valueOf((int) 4.23));
            System.out.printf("String 4: %s%n", String.valueOf((long) 5.23));
            System.out.printf("String 5: %s%n", String.valueOf((float) 6.25));
            System.out.printf("String 6: %s%n", String.valueOf((double) 7.71));

            System.out.printf("String 7: %s%n", String.format("%.2f", 8.18));


            // Impotant letters
            System.out.printf("%n");
            System.out.printf("return;%n");
            System.out.printf("java.io.BufferedReader;%n");
            System.out.printf("java.io.InputStreamReader;%n");
            System.out.printf("java.io.IOException;%n");
            System.out.printf("%n");

            System.out.printf("InputStreamReader isr = new InputStreamReader(System.in);%n");
            System.out.printf("BufferedReader buff = new BufferedReader(isr);%n");
            System.out.printf("%n");
            System.out.printf("buff.readLine();%n");
            System.out.printf("Float.parseFloat();%n");
            System.out.printf("Integer.parseInt();%n");
            System.out.printf("Double.parseDouble();%n");
            System.out.printf("Long.parseLong();%n");
            System.out.printf("%n");
        
            System.out.printf("try{}%n");
            System.out.printf("catch{IOException e}%n");
            System.out.printf("catch{NumberFormatException e}%n");
            System.out.printf("%n");
            
        } catch (IOException e) {
            System.out.println("Ocurrio un error de entrada/salida:" + e.getMessage());
        } catch (NumberFormatException e) {
            System.out.println("Por favor, ingresa solo numeros validos.");
        }
    }
}