Constructor Detail

• ArrayUtil

  public ArrayUtil()

Method Detail

• parseInt

  public static int parseInt(char[] chars)
                      throws java.lang.NumberFormatException

  Parses the string argument as if it was an int value and returns the result. Throws NumberFormatException if the string does not represent an int quantity.

  Parameters:

  chars - a string representation of an int quantity.

  Returns:

  int the value represented by the argument

  Throws:

  java.lang.NumberFormatException - if the argument could not be parsed as an int quantity.

• parseInt

  public static int parseInt(char[] chars,
                             int offset,
                             int len)
                      throws java.lang.NumberFormatException

  Parses a char array into an int.

  Parameters:

  chars - the character array

  offset - The offset into the array

  len - The length

  Returns:

  the int

  Throws:

  java.lang.NumberFormatException - if it can't parse

• parseInt

  public static int parseInt(char[] chars,
                             int offset,
                             int len,
                             int radix)
                      throws java.lang.NumberFormatException

  Parses the string argument as if it was an int value and returns the result. Throws NumberFormatException if the string does not represent an int quantity. The second argument specifies the radix to use when parsing the value.

  Parameters:

  chars - a string representation of an int quantity.

  radix - the base to use for conversion.

  Returns:

  int the value represented by the argument

  Throws:

  java.lang.NumberFormatException - if the argument could not be parsed as an int quantity.

• getNextSize

  public static int getNextSize(int targetSize)

• getShrinkSize

  public static int getShrinkSize(int currentSize,
                                  int targetSize)

• grow

  public static int[] grow(int[] array,
                           int minSize)

• grow

  public static int[] grow(int[] array)

• shrink

  public static int[] shrink(int[] array,
                             int targetSize)

• grow

  public static long[] grow(long[] array,
                            int minSize)

• grow

  public static long[] grow(long[] array)

• shrink

  public static long[] shrink(long[] array,
                              int targetSize)

• grow

  public static byte[] grow(byte[] array,
                            int minSize)

• grow

  public static byte[] grow(byte[] array)

• shrink

  public static byte[] shrink(byte[] array,
                              int targetSize)

• hashCode

  public static int hashCode(char[] array,
                             int start,
                             int end)

  Returns hash of chars in range start (inclusive) to end (inclusive)

• hashCode

  public static int hashCode(byte[] array,
                             int start,
                             int end)

  Returns hash of chars in range start (inclusive) to end (inclusive)