printing a Byte Array beautifully in Binary form

SimpleByteArrayPrinter.java

package media.Utils;

public class SimpleByteArrayPrinter {
    
    /**
     * print a byte array in binary form from offset index to offset+length index
     * @param bytes byte array to be printed
     * @param offset starting index of the byte array
     * @param length length of the byte array you wanna print from starting index
     * @param bytesInSingleLine how many binary formed bytes I want in single line
     * @return a String containing bytes in binary form , fixed number of bytes in single line
     */
    public static String printByteArray(byte[] bytes, int offset, int length,int spaceBetween, int bytesInSingleLine){
        StringBuilder sb = new StringBuilder("");
        sb.append("\n");
        if(offset > bytes.length || (offset+length) > bytes.length ) return "'offset' or 'offset+length' is greater than byte array length .. !";
        for(int i = offset ; i < offset+length ; i++){
            for(int k = 7 ; k >= 0 ; k--){
                int j = 1 << k;
                j = bytes[i] & j;
                j = j >> k;
                sb.append(j);
            }
            if((i - offset + 1) % bytesInSingleLine == 0 ) sb.append("\n");
            else {
                for(int m=0; m<spaceBetween ; m++) {
                    sb.append(" ");
                }
            }
        }
        sb.append("\n");
        return sb.toString();
    }

    /**
     * print a byte array beautifully in binary form from offset index to offset+length index
     * @param bytes byte array to be printed
     * @param offset starting index of the byte array
     * @param length length of the byte array you wanna print from starting index
     * @param spaceBetween how many binary formed bytes I want in single line
     * @param bytesInSingleLine how many binary formed bytes I want in single line
     * @return a String containing bytes in binary form , fixed number of bytes in single line
     */
    public static String printByteArrayBeautifully(byte[] bytes, int offset, int length, int spaceBetween, int bytesInSingleLine){
        StringBuilder sb = new StringBuilder("");
        sb.append("\n");
        if(offset > bytes.length || (offset+length) > bytes.length ) return "'offset' or 'offset+length' is greater than byte array length .. !";
        for(int l = 0; l < bytesInSingleLine ; l++){
            sb.append(" 0 1 2 3 4 5 6 7");
            for(int i=0;i<spaceBetween+1;i++){
                sb.append(" ");
            }
        }
        sb.append("\n");
        for(int l = 0; l < bytesInSingleLine ; l++){
            sb.append("+-+-+-+-+-+-+-+-+");
            for(int i=0;i<spaceBetween;i++){
                sb.append(" ");
            }
        }
        sb.append("\n");


        for(int i = offset ; i < offset+length ; i++){
            if( (i - offset) != 0 && (i - offset) % bytesInSingleLine == 0 ){
                for(int l = 0; l < bytesInSingleLine ; l++){
                    if(i+l+1 > offset+length) break;
                    sb.append(" 0 1 2 3 4 5 6 7");
                    for(int j=0;j<spaceBetween+1;j++){
                        sb.append(" ");
                    }
                }
                sb.append("\n");

                for(int l = 0; l < bytesInSingleLine ; l++){
                    if(i+l+1 > offset+length) break;
                    sb.append("+-+-+-+-+-+-+-+-+");
                    for(int j=0;j<spaceBetween;j++){
                        sb.append(" ");
                    }
                }
                sb.append("\n");
            }
            sb.append("|");
            for(int k = 7 ; k >= 0 ; k--){
                int j = 1 << k;
                j = bytes[i] & j;
                j = j >> k;
                sb.append(j);
                sb.append("|");
            }
            if((i - offset + 1) % bytesInSingleLine == 0 || i+1 == offset+length){
                sb.append("\n");
                if(i+1 == offset+length && length % bytesInSingleLine != 0) bytesInSingleLine = length % bytesInSingleLine;
                for(int l = 0; l < bytesInSingleLine ; l++){
                    sb.append("+-+-+-+-+-+-+-+-+");
                    for(int j=0;j<spaceBetween;j++){
                        sb.append(" ");
                    }
                }
                sb.append("\n");
                sb.append("\n\n");
            }
            else{
                for(int j=0;j<spaceBetween;j++){
                    sb.append(" ");
                }
            }
        }
        return sb.toString();
    }

    public static void main(String[] args) {
        byte[] bytes = new byte[6];
        for(int i = 0; i < bytes.length ; i++){
            bytes[i] = (byte) i;
        }
        System.out.println("bytes = [ "+printByteArray(bytes,0,bytes.length,2,4)+" ]");
        System.out.println();
        System.out.println("bytes = [ "+printByteArrayBeautifully(bytes,0,bytes.length,2,4)+" ]");
    }

}