code: public Sequence createSequenceofLength(int length,char base)
  	{
  		Sequence sequence=new Sequence();
  		byte[] sequenceByte=new byte[length];
  		for(int i=0;i<length;i++)
  		{
  			sequenceByte[i]=(byte)base;
  	    }
  		
  		sequence.setSequence(ByteBuffer.wrap(sequenceByte));
  	    return sequence;
  	}
docs: /*
  for test cases