Fileinputstream file path

Returns: the total number of bytes read into the buffer, or -1 if there is no more data because the end of the file has been reached. See Also: InputStream. If len is not zero, the method blocks until some input is available; otherwise, no bytes are read and 0 is returned.

Throws: NullPointerException - If b is null. The skip method may, for a variety of reasons, end up skipping over some smaller number of bytes, possibly 0.

If n is negative, an IOException is thrown, even though the skip method of the InputStream superclass does nothing in this case. The actual number of bytes skipped is returned. This method may skip more bytes than are remaining in the backing file. This produces no exception and the number of bytes skipped may include some number of bytes that were beyond the EOF of the backing file.

Attempting to read from the stream after skipping past the end will result in -1 indicating the end of the file. Overrides: skip in class InputStream Parameters: n - the number of bytes to be skipped. Returns: the actual number of bytes skipped. The next invocation might be the same thread or another thread. A single read or skip of this many bytes will not block, but may read or skip fewer bytes. In some cases, a non-blocking read or skip may appear to be blocked when it is merely slow, for example when reading large files over slow networks.

Overrides: available in class InputStream Returns: an estimate of the number of remaining bytes that can be read or skipped over from this input stream without blocking. If this stream has an associated channel then the channel is closed as well. Reads a byte of data from this input stream. This method blocks if no input is yet available. This method blocks until some input is available. If len is not zero, the method blocks until some input is available; otherwise, no bytes are read and 0 is returned.

Skips over and discards n bytes of data from the input stream. Returns 0 when the file position is beyond EOF. The next invocation might be the same thread or another thread. A single read or skip of this many bytes will not block, but may read or skip fewer bytes. If this stream has an associated channel then the channel is closed as well.

Subclasses that override finalize in order to perform cleanup should be modified to use alternative cleanup mechanisms and to remove the overriding finalize method. When overriding the finalize method, its implementation must explicitly ensure that super. See the specification for Object.

Ensures that the close method of this file input stream is called when there are no more references to it. Here we also discuss the Introduction and functions of the java fileinputstream class along with different examples and its code implementation. You may also have a look at the following articles to learn more —. Submit Next Question. By signing up, you agree to our Terms of Use and Privacy Policy. Forgot Password?

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