Java Utililty Methods Unzip to Folder

final int BUF_SIZE = 2048;
FileInputStream fis = new FileInputStream(zip);
ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));
ZipEntry entry;
while ((entry = zis.getNextEntry()) != null) {
    int count;
    byte data[] = new byte[BUF_SIZE];
    FileOutputStream fos = new FileOutputStream(new File(path, entry.getName()));
...

createDirs(unzipDir);
ZipFile zipFile = new ZipFile(zip);
try {
    Enumeration entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) entries.nextElement();
        File file = new File(unzipDir, entry.getName());
        if (entry.isDirectory()) {
...

String outDir = outputDirectory;
if (!outDir.endsWith("/") && !outDir.endsWith("\\"))
    outDir += File.separator;
BufferedOutputStream dest = null;
BufferedInputStream is = null;
int BUFFER = 2048;
ZipEntry entry;
ZipFile zipfile;
...

Exception exception = null;
ZipFile zip = new ZipFile(zipFile);
byte[] buf = new byte[8192];
try {
    Enumeration<ZipEntry> enumeration = (Enumeration<ZipEntry>) zip.entries();
    while (enumeration.hasMoreElements()) {
        ZipEntry entry = enumeration.nextElement();
        File file = new File(targetFolder, entry.getName());
...

unzip(zipFile, targetFolder, true, fileSuffixes);

log.log(Level.INFO, "Extracting {0} ...", zipFile);
log.log(Level.INFO, "...target directory: {0}", targetPath);
File path = new File(targetPath);
path.delete();
path.mkdirs();
BufferedOutputStream dest = null;
FileInputStream fis = new FileInputStream(zipFile);
ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));
...

ZipInputStream in = new ZipInputStream(new FileInputStream(zipFileName));
ZipEntry z;
while ((z = in.getNextEntry()) != null) {
    System.out.println("unziping " + z.getName());
    if (z.isDirectory()) {
        String name = z.getName();
        name = name.substring(0, name.length() - 1);
        File f = new File(outputDirectory + File.separator + name);
...

Enumeration entries;
ZipFile zipFile;
try {
    File targetFolder = new File(targetFolderPath);
    if (!targetFolder.exists()) {
        targetFolder.mkdirs();
    String canonicalTargetPath = targetFolder.getCanonicalPath();
...

ZipFile zipFile = new ZipFile(zipFileName);
Enumeration<? extends ZipEntry> entries = zipFile.entries();
while (entries.hasMoreElements()) {
    ZipEntry entry = entries.nextElement();
    if (entry.isDirectory()) {
        (new File(targetPath, entry.getName())).mkdir();
    File outputFile = new File(targetPath, entry.getName());
...

try (ZipInputStream zis = new ZipInputStream(new BufferedInputStream(new FileInputStream(zipFileName)))) {
    ZipEntry entry = null;
    while ((entry = zis.getNextEntry()) != null) {
        extractEntryContent(zis, entry, unzipdir);
    System.out.println(
            "ZIP file's contents have been extracted to " + (new File(unzipdir)).getAbsolutePath());
} catch (IOException e) {
...