// Write Serialized object to ByteArrayOutputStream :
ByteArrayOutputStream baos = new ByteArrayOutputStream();
 
try(ObjectOutputStream oos = new ObjectOutputStream( baos )) {
  oos.writeObject( object );
}
 
// Encode to base 64 :
String result = Base64.getEncoder().encodeToString(baos.toByteArray());

// Write Serialized object to ByteArrayOutputStream : ByteArrayOutputStream baos = new ByteArrayOutputStream(); try(ObjectOutputStream oos = new ObjectOutputStream( baos )) { oos.writeObject( object ); } // Encode to base 64 : String result = Base64.getEncoder().encodeToString(baos.toByteArray());

// Decodes a Base64 encoded String into a newly-allocated byte array using the Base64 encoding scheme.
byte [] data = Base64.getDecoder().decode( string );
 
// Get Serialized object :
Object object = null;
try(ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(  data ) )) {
  object  = ois.readObject();
}
catch (Exception e) {
  LOGGER.debug("error while reading serialized object",e);
}
return object;

// Decodes a Base64 encoded String into a newly-allocated byte array using the Base64 encoding scheme. byte [] data = Base64.getDecoder().decode( string ); // Get Serialized object : Object object = null; try(ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream( data ) )) { object = ois.readObject(); } catch (Exception e) { LOGGER.debug("error while reading serialized object",e); } return object;