Encrypting-Decrypting a file using Java Cryptography Extension

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.SecretKeySpec;

public class JCEEncryptDecrypt {

    public static void encrypt(String PlaintextFile, String Key, String CiphertextFile) {
        try {
            byte[] KeyData = Key.getBytes();
            SecretKeySpec KS = new SecretKeySpec(KeyData, "Blowfish");
            Cipher cipher = Cipher.getInstance("Blowfish");
            cipher.init(Cipher.ENCRYPT_MODE, KS);
            FileInputStream fis = new FileInputStream(PlaintextFile);
            CipherInputStream cis = new CipherInputStream(fis, cipher);
            FileOutputStream fos = new FileOutputStream(CiphertextFile);
            byte[] b = new byte[1024];
            int i = cis.read(b);
            while (i != -1) {
                fos.write(b, 0, i);
                i = cis.read(b);
            }
            fos.flush();
            fos.close();
            fis.close();
            cis.close();
            System.out.println("Encryption Successfull !!!");
        } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | IOException ex) {
            System.out.println(ex);
        }
    }

    public static void decrypt(String CiphertextFile, String Key, String DecipheredFile) {
        try {
            byte[] KeyData = Key.getBytes();
            SecretKeySpec KS = new SecretKeySpec(KeyData, "Blowfish");
            Cipher cipher = Cipher.getInstance("Blowfish");
            cipher.init(Cipher.DECRYPT_MODE, KS);
            FileInputStream fis = new FileInputStream(CiphertextFile);
            FileOutputStream fos = new FileOutputStream(DecipheredFile);
            CipherOutputStream cos = new CipherOutputStream(fos, cipher);
            byte[] b = new byte[1024];
            int i = fis.read(b);
            while (i != -1) {
                cos.write(b, 0, i);
                i = fis.read(b);
            }
            fos.flush();
            fos.close();
            fis.close();
            cos.flush();
            cos.close();
            System.out.println("Decryption Successfull !!!");
        } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | IOException ex) {
            System.out.println(ex);
        }
    }

    public static void main(String[] args) {
        encrypt("D:\\plaintext.txt", "testkey", "D:\\ciphertext.txt");
        decrypt("D:\\ciphertext.txt", "testkey", "D:\\originaltext.txt");
    }
}