How to create a ZIP File in Java?

// these are the files to include in the ZIP file

String[] source = new String[]{"source1", "source2"};

// Create a buffer for reading the files
byte[] buf = new byte[1024];

try {
// Create the ZIP file
String target = "target.zip";
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(target));

// Compress the files
for (int i=0; i<source.length; i++) {
FileInputStream in = new FileInputStream(source[i]);

// Add ZIP entry to output stream.
out.putNextEntry(new ZipEntry(source[i]));

// Transfer bytes from the file to the ZIP file
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}

out.closeEntry();
in.close();
}

// Complete the ZIP file
out.close();
} catch (IOException e) {
}