String[] aArray = new String[5];

    String[] bArray = {"a","b","c", "d", "e"};

    String[] cArray = new String[]{"a","b","c","d","e"};  

    int[] intArray = { 1, 2, 3, 4, 5 };

    String intArrayString = Arrays.toString(intArray);  

    // print directly will print reference value

    System.out.println(intArray);

    // [I@7150bd4d  

    System.out.println(intArrayString);

    // [1, 2, 3, 4, 5]  

String[] stringArray = { "a", "b", "c", "d", "e" };

ArrayList<String> arrayList = new ArrayList<String>(Arrays.asList(stringArray));

System.out.println(arrayList);

// [a, b, c, d, e]

    String[] stringArray = { "a", "b", "c", "d", "e" };

    boolean b = Arrays.asList(stringArray).contains("a");

    System.out.println(b);

    // true  

    int[] intArray = { 1, 2, 3, 4, 5 };

    int[] intArray2 = { 6, 7, 8, 9, 10 };

    // Apache Commons Lang library

    int[] combinedIntArray = ArrayUtils.addAll(intArray, intArray2);  

    method(new String[]{"a", "b", "c", "d", "e"});  

    // containing the provided list of elements

    // Apache common lang

    String j = StringUtils.join(new String[] { "a", "b", "c" }, ", ");

    System.out.println(j);

    // a, b, c  

    String[] stringArray = { "a", "b", "c", "d", "e" };

    ArrayList<String> arrayList = new ArrayList<String>(Arrays.asList(stringArray));

    String[] stringArr = new String[arrayList.size()];

    arrayList.toArray(stringArr);

    for (String s : stringArr)

        System.out.println(s);  

    Set<String> set = new HashSet<String>(Arrays.asList(stringArray));

    System.out.println(set);

    //[d, e, b, c, a]  

    int[] intArray = { 1, 2, 3, 4, 5 };

    ArrayUtils.reverse(intArray);

    System.out.println(Arrays.toString(intArray));

    //[5, 4, 3, 2, 1]  

int[] intArray = { 1, 2, 3, 4, 5 };

int[] removed = ArrayUtils.removeElement(intArray, 3);//create a new array

System.out.println(Arrays.toString(removed));

    byte[] bytes = ByteBuffer.allocate(4).putInt(8).array();  

    for (byte t : bytes) {

       System.out.format("0x%x ", t);

    }