| java.lang.Object
 java.nio.Buffer
java.nio.IntBuffer
All known Subclasses: java.nio.IntToByteBufferAdapter, java.nio.IntArrayBuffer,
| IntBuffer | | abstract public class IntBuffer extends Buffer implements Comparable<IntBuffer>(Code) | | A buffer of ints.
A int buffer can be created in either of the following ways:
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| Constructor Summary | |
| | IntBuffer(int capacity)
Constructs a IntBuffer with given capacity. |
| Method Summary | |
| public static IntBuffer | allocate(int capacity)
Creates a int buffer based on a new allocated int array. | | final public int[] | array()
Returns the int array which this buffer is based on, if there's one. | | final public int | arrayOffset()
Returns the offset of the int array which this buffer is based on, if
there's one. | | abstract public IntBuffer | asReadOnlyBuffer()
Returns a readonly buffer that shares content with this buffer.
The returned buffer is guaranteed to be a new instance, even this buffer
is readonly itself. | | abstract public IntBuffer | compact()
Compacts this int buffer.
The remaining ints will be moved to the head of the
buffer, staring from position zero. | | public int | compareTo(IntBuffer otherBuffer)
Compare the remaining ints of this buffer to another int
buffer's remaining ints. | | abstract public IntBuffer | duplicate()
Returns a duplicated buffer that shares content with this buffer.
The duplicated buffer's position, limit, capacity and mark are the same
as this buffer. | | public boolean | equals(Object other)
Tests whether this int buffer equals to another object.
If other is not a int buffer, then false is returned.
Two int buffers are equals if, and only if, their remaining
ints are exactly the same. | | abstract public int | get()
Returns the int at the current position and increase the position by 1. | | public IntBuffer | get(int[] dest)
Reads ints from the current position into the specified
int array and increase the position by the number of ints
read. | | public IntBuffer | get(int[] dest, int off, int len)
Reads ints from the current position into the specified
int array, starting from the specified offset, and increase the position
by the number of ints read. | | abstract public int | get(int index)
Returns a int at the specified index, and the position is not changed. | | final public boolean | hasArray()
Returns whether this buffer is based on a int array and is read/write. | | public int | hashCode()
Hash code is calculated from the remaining ints. | | abstract public boolean | isDirect()
Returns true if this buffer is direct. | | abstract public ByteOrder | order()
Returns the byte order used by this buffer when converting
ints from/to bytes. | | abstract int[] | protectedArray()
Child class implements this method to realize array(). | | abstract int | protectedArrayOffset()
Child class implements this method to realize arrayOffset(). | | abstract boolean | protectedHasArray()
Child class implements this method to realize hasArray(). | | abstract public IntBuffer | put(int i)
Writes the given int to the current position and increase the position by
1. | | final public IntBuffer | put(int[] src)
Writes ints in the given int array to the current
position and increase the position by the number of ints
written. | | public IntBuffer | put(int[] src, int off, int len)
Writes ints in the given int array, starting from the
specified offset, to the current position and increase the position by
the number of ints written. | | public IntBuffer | put(IntBuffer src)
Writes all the remaining ints of the src
int buffer to this buffer's current position, and increase both buffers'
position by the number of ints copied. | | abstract public IntBuffer | put(int index, int i)
Write a int to the specified index of this buffer and the position is not
changed. | | abstract public IntBuffer | slice()
Returns a sliced buffer that shares content with this buffer.
The sliced buffer's capacity will be this buffer's
remaining(), and its zero position will correspond to
this buffer's current position. | | public String | toString()
Returns a string represents the state of this int buffer. | | public static IntBuffer | wrap(int[] array)
Creates a new int buffer by wrapping the given int array. | | public static IntBuffer | wrap(int[] array, int start, int len)
Creates new a int buffer by wrapping the given int array. |
| IntBuffer | | IntBuffer(int capacity)(Code) | | Constructs a IntBuffer with given capacity.
Parameters:
capacity - The capacity of the buffer |
| allocate | | public static IntBuffer allocate(int capacity)(Code) | | Creates a int buffer based on a new allocated int array.
Parameters:
capacity - The capacity of the new buffer The created int buffer
throws:
IllegalArgumentException - If capacity is less than zero |
| array | | final public int[] array()(Code) | | Returns the int array which this buffer is based on, if there's one.
The int array which this buffer is based on
exception:
ReadOnlyBufferException - If this buffer is based on an array, but it is readonly
exception:
UnsupportedOperationException - If this buffer is not based on an array |
| arrayOffset | | final public int arrayOffset()(Code) | | Returns the offset of the int array which this buffer is based on, if
there's one.
The offset is the index of the array corresponds to the zero position of
the buffer.
The offset of the int array which this buffer is based on
exception:
ReadOnlyBufferException - If this buffer is based on an array, but it is readonly
exception:
UnsupportedOperationException - If this buffer is not based on an array |
| asReadOnlyBuffer | | abstract public IntBuffer asReadOnlyBuffer()(Code) | | Returns a readonly buffer that shares content with this buffer.
The returned buffer is guaranteed to be a new instance, even this buffer
is readonly itself. The new buffer's position, limit, capacity and mark
are the same as this buffer.
The new buffer shares content with this buffer, which means this buffer's
change of content will be visible to the new buffer. The two buffer's
position, limit and mark are independent.
A readonly version of this buffer. |
| compact | | abstract public IntBuffer compact()(Code) | | Compacts this int buffer.
The remaining ints will be moved to the head of the
buffer, staring from position zero. Then the position is set to
remaining(); the limit is set to capacity; the mark is
cleared.
This buffer
exception:
ReadOnlyBufferException - If no changes may be made to the contents of this buffer |
| compareTo | | public int compareTo(IntBuffer otherBuffer)(Code) | | Compare the remaining ints of this buffer to another int
buffer's remaining ints.
Parameters:
otherBuffer - Another int buffer a negative value if this is less than other; 0 ifthis equals to other; a positive value if this isgreater than other
exception:
ClassCastException - If other is not a int buffer |
| duplicate | | abstract public IntBuffer duplicate()(Code) | | Returns a duplicated buffer that shares content with this buffer.
The duplicated buffer's position, limit, capacity and mark are the same
as this buffer. The duplicated buffer's readonly property and byte order
are same as this buffer too.
The new buffer shares content with this buffer, which means either
buffer's change of content will be visible to the other. The two buffer's
position, limit and mark are independent.
A duplicated buffer that shares content with this buffer. |
| equals | | public boolean equals(Object other)(Code) | | Tests whether this int buffer equals to another object.
If other is not a int buffer, then false is returned.
Two int buffers are equals if, and only if, their remaining
ints are exactly the same. Position, limit, capacity and
mark are not considered.
Parameters:
other - the object to be compared against Whether this int buffer equals to another object. |
| get | | abstract public int get()(Code) | | Returns the int at the current position and increase the position by 1.
The int at the current position.
exception:
BufferUnderflowException - If the position is equal or greater than limit |
| get | | public IntBuffer get(int[] dest)(Code) | | Reads ints from the current position into the specified
int array and increase the position by the number of ints
read.
Calling this method has the same effect as
get(dest, 0, dest.length).
Parameters:
dest - The destination int array This buffer
exception:
BufferUnderflowException - if dest.length is greater thanremaining() |
| get | | public IntBuffer get(int[] dest, int off, int len)(Code) | | Reads ints from the current position into the specified
int array, starting from the specified offset, and increase the position
by the number of ints read.
Parameters:
dest - The target int array
Parameters:
off - The offset of the int array, must be no less than zero and nogreater than dest.length
Parameters:
len - The number of ints to read, must be no lessthan zero and no greater than dest.length - off This buffer
exception:
IndexOutOfBoundsException - If either off or len isinvalid
exception:
BufferUnderflowException - If len is greater thanremaining() |
| get | | abstract public int get(int index)(Code) | | Returns a int at the specified index, and the position is not changed.
Parameters:
index - The index, must be no less than zero and less than limit A int at the specified index.
exception:
IndexOutOfBoundsException - If index is invalid |
| hasArray | | final public boolean hasArray()(Code) | | Returns whether this buffer is based on a int array and is read/write.
If this buffer is readonly, then false is returned.
Whether this buffer is based on a int array and is read/write. |
| hashCode | | public int hashCode()(Code) | | Hash code is calculated from the remaining ints.
Position, limit, capacity and mark don't affect the hash code.
The hash code calculated from the remaining ints. |
| isDirect | | abstract public boolean isDirect()(Code) | | Returns true if this buffer is direct.
A int buffer is direct, if it is based on a byte buffer and the byte
buffer is direct.
True if this buffer is direct. |
| order | | abstract public ByteOrder order()(Code) | | Returns the byte order used by this buffer when converting
ints from/to bytes.
If this buffer is not based on a byte buffer, then always return the
platform's native byte order.
The byte order used by this buffer when convertingints from/to bytes. |
| protectedArray | | abstract int[] protectedArray()(Code) | | Child class implements this method to realize array().
see array() |
| protectedArrayOffset | | abstract int protectedArrayOffset()(Code) | | Child class implements this method to realize arrayOffset().
see arrayOffset() |
| protectedHasArray | | abstract boolean protectedHasArray()(Code) | | Child class implements this method to realize hasArray().
see hasArray() |
| put | | abstract public IntBuffer put(int i)(Code) | | Writes the given int to the current position and increase the position by
1.
Parameters:
i - The int to write This buffer
exception:
BufferOverflowException - If position is equal or greater than limit
exception:
ReadOnlyBufferException - If no changes may be made to the contents of this buffer |
| put | | final public IntBuffer put(int[] src)(Code) | | Writes ints in the given int array to the current
position and increase the position by the number of ints
written.
Calling this method has the same effect as
put(src, 0, src.length).
Parameters:
src - The source int array This buffer
exception:
BufferOverflowException - If remaining() is less thansrc.length
exception:
ReadOnlyBufferException - If no changes may be made to the contents of this buffer |
| put | | public IntBuffer put(int[] src, int off, int len)(Code) | | Writes ints in the given int array, starting from the
specified offset, to the current position and increase the position by
the number of ints written.
Parameters:
src - The source int array
Parameters:
off - The offset of int array, must be no less than zero and nogreater than src.length
Parameters:
len - The number of ints to write, must be no lessthan zero and no greater than src.length - off This buffer
exception:
BufferOverflowException - If remaining() is less thanlen
exception:
IndexOutOfBoundsException - If either off or len isinvalid
exception:
ReadOnlyBufferException - If no changes may be made to the contents of this buffer |
| put | | public IntBuffer put(IntBuffer src)(Code) | | Writes all the remaining ints of the src
int buffer to this buffer's current position, and increase both buffers'
position by the number of ints copied.
Parameters:
src - The source int buffer This buffer
exception:
BufferOverflowException - If src.remaining() is greater than thisbuffer's remaining()
exception:
IllegalArgumentException - If src is this buffer
exception:
ReadOnlyBufferException - If no changes may be made to the contents of this buffer |
| put | | abstract public IntBuffer put(int index, int i)(Code) | | Write a int to the specified index of this buffer and the position is not
changed.
Parameters:
index - The index, must be no less than zero and less than the limit
Parameters:
i - The int to write This buffer
exception:
IndexOutOfBoundsException - If index is invalid
exception:
ReadOnlyBufferException - If no changes may be made to the contents of this buffer |
| slice | | abstract public IntBuffer slice()(Code) | | Returns a sliced buffer that shares content with this buffer.
The sliced buffer's capacity will be this buffer's
remaining(), and its zero position will correspond to
this buffer's current position. The new buffer's position will be 0,
limit will be its capacity, and its mark is unset. The new buffer's
readonly property and byte order are same as this buffer.
The new buffer shares content with this buffer, which means either
buffer's change of content will be visible to the other. The two buffer's
position, limit and mark are independent.
A sliced buffer that shares content with this buffer. |
| toString | | public String toString()(Code) | | Returns a string represents the state of this int buffer.
A string represents the state of this int buffer. |
| wrap | | public static IntBuffer wrap(int[] array)(Code) | | Creates a new int buffer by wrapping the given int array.
Calling this method has the same effect as
wrap(array, 0, array.length).
Parameters:
array - The int array which the new buffer will be based on The created int buffer |
| wrap | | public static IntBuffer wrap(int[] array, int start, int len)(Code) | | Creates new a int buffer by wrapping the given int array.
The new buffer's position will be start, limit will be
start + len, capacity will be the length of the array.
Parameters:
array - The int array which the new buffer will be based on
Parameters:
start - The start index, must be no less than zero and no greater thanarray.length
Parameters:
len - The length, must be no less than zero and no greater thanarray.length - start The created int buffer
exception:
IndexOutOfBoundsException - If either start or len isinvalid |
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