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Asked: 2026-06-02T10:18:51+00:00

I am porting some C++ code over to java, and in my particular instance,

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I am porting some C++ code over to java, and in my particular instance, i am writing data to a byte[] to be written to a file. The first portion, as defined in C++ is a structure consisting of a uint, and 3 ushorts. The second portion is the main part of the data, which i will just append on the end of the byte[] before i send it to the outputstream.

My question is this: What is the simplest way to write the header values to the byte[]? I know i can put 1 value in there, then offset the specific number of bytes, and repeat as necessary, but is this the best way to do it?

Also, how do i manage byte alignment? The C++ code appears to use the default values (4-byte?) for alignment.

Thanks,
Jason

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1 Answer

  1. Editorial Team

    You might find it easier to use ByteBuffer, which is probably the nicest way in Java to organize byte-by-byte output.

    ByteBuffer doesn’t directly care about alignment, though, and I don’t know how C++ is aligning its output — but in a pinch, you can just advance it manually.

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