The Array class provides static methods to dynamically create and access Java arrays.
Get the length of an Array
| Return | Method | Summary |
|---|---|---|
| static int | getLength(Object array) | Returns the length of the specified array object, as an int. |
Get value from an Array
| Return | Method | Summary |
|---|---|---|
| static Object | get(Object array, int index) | Returns the value of the indexed component in the specified array object. |
| static boolean | getBoolean(Object array, int index) | Returns array element as a boolean. |
| static byte | getByte(Object array, int index) | Returns array element as a byte. |
| static char | getChar(Object array, int index) | Returns array element as a char. |
| static double | getDouble(Object array, int index) | Returns array element as a double. |
| static float | getFloat(Object array, int index) | Returns array element as a float. |
| static int | getInt(Object array, int index) | Returns array element as an int. |
| static long | getLong(Object array, int index) | Returns array element as a long. |
| static short | getShort(Object array, int index) | Returns array element as a short. |
Create new Array instance
| Return | Method | Summary |
|---|---|---|
| static Object | newInstance(Class<?> componentType, int... dimensions) | Creates a new array with the component type and dimensions. |
| static Object | newInstance(Class<?> componentType, int length) | Creates a new array with the component type and length. |
Set value to an Array
| Return | Method | Summary |
|---|---|---|
| static void | set(Object array, int index, Object value) | Sets array element to the new value. |
| static void | setBoolean(Object array, int index, boolean z) | Sets array element to the boolean value. |
| static void | setByte(Object array, int index, byte b) | Sets array element to the byte value. |
| static void | setChar(Object array, int index, char c) | Sets array element to the char value. |
| static void | setDouble(Object array, int index, double d) | Sets array element to the double value. |
| static void | setFloat(Object array, int index, float f) | Sets array element to the float value. |
| static void | setInt(Object array, int index, int i) | Sets array element to the int value. |
| static void | setLong(Object array, int index, long l) | Sets array element to the long value. |
| static void | setShort(Object array, int index, short s) | Sets array element to the short value. |
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