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JDK's docs are horrible for those classes! 
 
So, GZIPing is straightforward. But unzipping? 
 
ByteArrayOutputStream bos = new ByteArrayOutputStream(); 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;GZIPOutputStream gos = new GZIPOutputStream(bos); 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;ObjectOutputStream oos = new ObjectOutputStream(gos); 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;oos.writeObject(data); 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(&quot;zipped size = &quot;+bos.size()); 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray()); 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;System.out.println(&quot;available size = &quot;+bis.available()); 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;GZIPInputStream gis = new GZIPInputStream(bis); 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;ObjectInputStream ois = new ObjectInputStream(gis); 
 
This obviously won't work. So how am I gonna get the decompressed data to the ObjectInputStream to get my object back? 

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JDK's docs are horrible for those classes!

So, GZIPing is straightforward. But unzipping?

ByteArrayOutputStream bos = new ByteArrayOutputStream();
               GZIPOutputStream gos = new GZIPOutputStream(bos);
               ObjectOutputStream oos = new ObjectOutputStream(gos);
               oos.writeObject(data);
               System.out.println("zipped size = "+bos.size());
               
               ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
               System.out.println("available size = "+bis.available());
               GZIPInputStream gis = new GZIPInputStream(bis);
               
               ObjectInputStream ois = new ObjectInputStream(gis);

This obviously won't work. So how am I gonna get the decompressed data to the ObjectInputStream to get my object back?


GZIPInputStream reading

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.