code: public static String[] slice(String[] strings, int begin, int length) {
  		String[] result = new String[length];
  		System.arraycopy( strings, begin, result, 0, length );
  		return result;
  	}
docs: Create a smaller array from an existing one.
  
  @param strings an array containing element of type {@link String}
  @param begin the starting position of the sub-array
  @param length the number of element to consider
  @return a new array continaining only the selected elements