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You could try &nbsp;toByteArray.
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toByteArray
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<br />
How would that happen exactly?
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krakatoa<br />
<br />
Apologies, was just heading out the door when I posted and should have expanded, perhaps posted an example.<br />
<br />
Mind you since the original questioner didn't give any further details I'm not sure I can post an appropriate example.
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how to convert ArrayList Object in to byte[] ?
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how to convert ArrayList Object in to byte[] ?

Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.