How Do I Convert a Java String to a byte[] for GZIP Decompression?

Converting Java String to byte[] for GZIP Decompression

This Java code converts a String to a byte array. One method converts the String directly to a byte array using one of the following:

byte[] b = string.getBytes();
byte[] b = string.getBytes(Charset.forName("UTF-8"));
byte[] b = string.getBytes(StandardCharsets.UTF_8); // Java 7+ only

However, the default toString() method for byte arrays displays the object as [B@38ee9f13, where [B represents a byte array and 38ee9f13 is the memory address. To display the byte array in a readable format, use Arrays.toString(bytes).

To obtain a readable String from a byte array, use:

String string = new String(byte[] bytes, Charset charset);

When converting a String to a byte array, it's important to note that all Java Strings are stored internally as UTF-16. The chosen charset determines how the glyphs of the String are converted to bytes. Therefore, it's recommended to use the Charset version of getBytes().

To decompress a GZIP string, the decompressGZIP() method requires a byte array as input. Therefore, the conversion from String to byte array is necessary before using the decompression method.

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