| java.lang.Object | |
| ↳ | org.apache.lucene.util.ArrayUtil |
Class Overview
Methods for manipulating arrays.
Summary
| Public Constructors | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Public Methods | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Returns hash of chars in range start (inclusive) to
end (inclusive)
| |||||||||||
Returns hash of chars in range start (inclusive) to
end (inclusive)
| |||||||||||
Parses the string argument as if it was an int value and returns the
result.
| |||||||||||
Parses the string argument as if it was an int value and returns the
result.
| |||||||||||
Parses a char array into an int.
| |||||||||||
|
[Expand]
Inherited Methods | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
From class
java.lang.Object
| |||||||||||
Public Constructors
public ArrayUtil ()
Public Methods
public static int getNextSize (int targetSize)
public static int getShrinkSize (int currentSize, int targetSize)
public static int[] grow (int[] array)
public static long[] grow (long[] array)
public static long[] grow (long[] array, int minSize)
public static int[] grow (int[] array, int minSize)
public static byte[] grow (byte[] array)
public static byte[] grow (byte[] array, int minSize)
public static int hashCode (char[] array, int start, int end)
Returns hash of chars in range start (inclusive) to end (inclusive)
public static int hashCode (byte[] array, int start, int end)
Returns hash of chars in range start (inclusive) to end (inclusive)
public static int parseInt (char[] chars)
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
| NumberFormatException | if the argument could not be parsed as an int quantity. |
|---|
public static int parseInt (char[] chars, int offset, int len, int radix)
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
| NumberFormatException | if the argument could not be parsed as an int quantity. |
|---|
public static int parseInt (char[] chars, int offset, int len)
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
| NumberFormatException | if it can't parse |
|---|