Program to convert Byte Array to Writer in Java

// Java Program Convert
// Byte Array to Writer

import java.io.StringWriter;
import java.io.Writer;

public class GFG {

    // Method which convert
    // byte array into Writer Class
    static String writeByte(byte[] byteString,
                            byte[] byteInt,
                            byte[] byteChar,
                            byte[] byteDouble)
    {

        // Declare the writer class
        Writer writer = new StringWriter();

        try {
            // Call append() method
            // to append byte array into
            // writer class as append method
            // takes input of only string object
            writer
                .append(new String(byteString)
                        + new String(byteDouble)
                        + new String(byteChar)
                        + new String(byteInt));

            writer.close();
        }

        catch (Exception e) {
            System.out.println("Exception: " + e);
        }

        // return the string
        return writer.toString();
    }

    // Driver Code
    public static void main(String args[])
    {

        String str = "Speed of light: ";
        int num = 8;
        char ch = 'e';
        double dec = 3.0;

        // Insert String value
        byte[] byteString = str.getBytes();

        // Insert int value
        byte[] byteInt = Integer.toString(num).getBytes();

        // Insert char value
        byte[] byteChar = Character.toString(ch).getBytes();

        // Insert double value
        byte[] byteDouble = Double.toString(dec).getBytes();

        // Call the method
        System.out.println(writeByte(byteString, byteInt,
                                     byteChar, byteDouble));
    }
}