Oooorchid commented on issue #13703:
URL: https://github.com/apache/arrow/issues/13703#issuecomment-1206117305
[JAVA]
At JAVA side,it will return byte[] like this:
```
......
VectorSchemaRoot root = reader.getVectorSchemaRoot();
reader.loadRecordBatch(arrowBlock);
System.out.println(root.contentToTSVString());
ArrowFileWriter writer = new ArrowFileWriter(root, null,
Channels.newChannel(out));
writer.start();
writer.writeBatch();
writer.end();
writer.close();
return out.toByteArray();}}
.....
```
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