Java Input dan Output

import java.io.*;
class in_out {
    public static void main (String args []){
        DataInputStream in = new DataInputStream (System.in);
        char c;
        int angka = 0;
        char huruf =' ';
        String kalimat ="";
        try {
            System.out.println ("Enter a number :");
            kalimat = in.readLine();
            angka = Integer.parseInt(kalimat);               
    }
    catch(IOException e){System.out.println(e);
    }
try {
    System.out.println ("Enter a charakter:");
    kalimat = in.readLine();
    huruf=kalimat.charAt(0);
    }
    catch(IOException e)
    {System.out.println(e);
    }
try {   
    System.out.println("Enter some word :");
    kalimat = in.readLine();
    }
    catch (IOException e){
        System.out.println(e);
   
    }
    System.out.println("here are what you type in l:");
    System.out.println (angka);
    System.out.println (huruf);
    System.out.println (kalimat);
   
}
}