Reader.Read Method
Definition
Important
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Overloads
| Read(Char[], Int32, Int32) |
Reads characters into a portion of an array. |
| Read(Char[]) |
Reads characters into an array. |
| Read() |
Reads a single character. |
| Read(CharBuffer) |
Attempts to read characters into the specified character buffer. |
Read(Char[], Int32, Int32)
Reads characters into a portion of an array.
[Android.Runtime.Register("read", "([CII)I", "GetRead_arrayCIIHandler")]
public abstract int Read (char[]? cbuf, int off, int len);[<Android.Runtime.Register("read", "([CII)I", "GetRead_arrayCIIHandler")>]
abstract member Read : char[] * int * int -> intParameters
- cbuf
- Char[]
Destination buffer
- off
- Int32
Offset at which to start storing characters
- len
- Int32
Maximum number of characters to read
Returns
The number of characters read, or -1 if the end of the stream has been reached
- Attributes
Exceptions
if this reader is closed or some other I/O error occurs.
Remarks
Reads characters into a portion of an array. This method will block until some input is available, an I/O error occurs, or the end of the stream is reached.
Java documentation for java.io.Reader.read(char[], int, int).
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.
Applies to
Read(Char[])
Reads characters into an array.
[Android.Runtime.Register("read", "([C)I", "GetRead_arrayCHandler")]
public virtual int Read (char[]? cbuf);[<Android.Runtime.Register("read", "([C)I", "GetRead_arrayCHandler")>]
abstract member Read : char[] -> int
override this.Read : char[] -> intParameters
- cbuf
- Char[]
Destination buffer
Returns
The number of characters read, or -1 if the end of the stream has been reached
- Attributes
Exceptions
if this reader is closed or some other I/O error occurs.
Remarks
Reads characters into an array. This method will block until some input is available, an I/O error occurs, or the end of the stream is reached.
Java documentation for java.io.Reader.read(char[]).
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.
Applies to
Read()
Reads a single character.
[Android.Runtime.Register("read", "()I", "GetReadHandler")]
public virtual int Read ();[<Android.Runtime.Register("read", "()I", "GetReadHandler")>]
abstract member Read : unit -> int
override this.Read : unit -> intReturns
The character read, as an integer in the range 0 to 65535
(0x00-0xffff), or -1 if the end of the stream has
been reached
- Attributes
Exceptions
if this reader is closed or some other I/O error occurs.
Remarks
Reads a single character. This method will block until a character is available, an I/O error occurs, or the end of the stream is reached.
Subclasses that intend to support efficient single-character input should override this method.
Java documentation for java.io.Reader.read().
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.
Applies to
Read(CharBuffer)
Attempts to read characters into the specified character buffer.
[Android.Runtime.Register("read", "(Ljava/nio/CharBuffer;)I", "GetRead_Ljava_nio_CharBuffer_Handler")]
public virtual int Read (Java.Nio.CharBuffer? target);[<Android.Runtime.Register("read", "(Ljava/nio/CharBuffer;)I", "GetRead_Ljava_nio_CharBuffer_Handler")>]
abstract member Read : Java.Nio.CharBuffer -> int
override this.Read : Java.Nio.CharBuffer -> intParameters
- target
- CharBuffer
the buffer to read characters into
Returns
The number of characters added to the buffer, or -1 if this source of characters is at its end
Implements
- Attributes
Exceptions
if any I/O error occurs while reading from this reader.
if target is null.
if target is read-only.
Remarks
Attempts to read characters into the specified character buffer. The buffer is used as a repository of characters as-is: the only changes made are the results of a put operation. No flipping or rewinding of the buffer is performed.
Added in 1.5.
Java documentation for java.io.Reader.read(java.nio.CharBuffer).
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.