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);  }