How to make a given length byte array composed of other given length bytes arrays JAVA

How to make a given length byte array composed of other given length bytes arrays JAVA References Reference NO 1 http://stackoverflow.com/questions/13659289/how-to-make-a-given-length-byte-array-composed-of-other-given-length-bytes-array Reference NO 2 http://stackoverflow.com/questions/3857803/removing-extra-empty-characters-from-byte-array-and-converting-to-a-string Reference NO 3 https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/ByteString Reference NO 4 http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/util/Bytes.html Reference NO 5 http://download.java.net/jdk7/archive/b123/docs/api/java/nio/ByteBuffer.html Reference NO 6 https://github.com/ndimiduk/orderly Reference NO 7 http://www.programcreek.com/2009/02/java-convert-image-to-byte-array-convert-byte-array-to-image/ Reference NO 8 #EANF#