Java API I/O

 0    28 词汇卡    dominik550
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问题 答案
java.io. File mozliwe konstruktory
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(no exceptions) File(String pathname), File(String parent, String child), File(URI uri), File(File parent, String child)
java.io. File tworzenie nowego pliku
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boolean createNewFile()
java.io. File tworzenie nowego katalogu
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boolean mkdir() oraz boolean mkdirs() - tworzy całą scieżkę katalogów
java.io. File usuwanie pliku lub katalogu
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boolean delete()
java.io. File sprawdzenie czy File to katalog
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boolean isDirectory()
java.io. File sprawdzenie czy File to plik
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boolean isFile()
java.io. File rozmiar pliku
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long length()
java.io. File zwraca listę plików i podkatalogów
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File[] listFiles()
java.io. File zwraca listę głównych katalogów w systemie
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File[] listRoots()
java.io. File zmiana nazwy pliku lub katalogu
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boolean renameTo(File dest)
java.io. FileReader konstruktory
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FileReader(File file) throws FileNotFoundException, FileReader(FileDescriptor fd), FileReader(String fileName) throws FileNotFoundException
java.io. FileReader metody
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dziedziczone z java.io. InputStreamReader: int read() throws IOException, void close() throws IOException, boolean ready() throws IOException, String getEncoding()
java.io. FileWriter konstruktory
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FileWriter(File file) throws IOException, FileWriter(File file, boolean append) throws IOException, FileWriter(FileDescriptor fd), FileWriter(String fileName) throws IOException, FileWriter(String fileName, boolean append) throws IOException
java.io. FileWriter metody
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dziedziczone z java.io. OutputStreamWriter: void close() throws IOException, void flush() throws IOException, void write(String str, int off, int len) throws IOException, void write(char[] cbuf, int off, int len) throws IOException, String getEncoding(), dziedziczone z java.io. Writer: Writer append(char c) throws IOException
java.io. BufferedWriter konstruktory
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BufferedWriter(Writer out), BufferedWriter(Writer out, int sz)
java.io. BufferedWriter metody
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void close() throws IOException, void flush() throws IOException, void newLine() throws IOException, void write(int c) throws IOException, void write(char[] cbuf, int off, int len) throws IOException, void write(String s, int off, int len) throws IOException, metody z java.io. Writer
java.io. BufferedReader konstruktory
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BufferedReader(Reader in), BufferedReader(Reader in, int sz)
java.io. BufferedReader metody
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void close() throws IOException, void reset() throws IOException, String readLine() throws IOException, int read(char[] cbuf, int off, int len) throws IOException, int read() throws IOException
java.io. PrintWriter konstruktory
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PrintWriter(File file) throws FileNotFoundException, PrintWriter(String fileName) throws FileNotFoundException, PrintWriter(OutputStream out), PrintWriter(Writer out)
java.io. PrintWriter metody
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PrintWriter append(char c), void close(), void flush(), PrintWriter format(Locale l, String format, Object... args), void print(String s) i wiele innych przeciążonych printów, void println(String x) i wiele innych, void write(char[] buf), void write(String s, int off, int len), void write(String s), void write(int c)
java.io. ObjectOutputStream konstruktory
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public ObjectOutputStream(OutputStream out) throws IOException, protected ObjectOutputStream() throws IOException, SecurityException
java.io. ObjectOutputStream metody
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void close() throws IOException, void flush() throws IOException, void write(byte[] buf) throws IOException, void write(int val) throws IOException, a poza tym pisanie wybranych typów (void i IOException): writeBoolean, writeByte, writeBytes(String str), writeChar, writeChars(String str), writeDouble, writeFloat, writeInt, writeLong, writeObject, writeShort, writeUTF(String str)
java.io. ObjectInputStream konstruktory
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public ObjectInputStream(InputStream in) throws IOException, protected ObjectInputStream() throws IOException, SecurityException
java.io. ObjectInputStream metody
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void close() throws IOException, void defaultReadObject() throws IOException, ClassNotFoundException (NotActiveException jeżeli wywołana spoza readObject), int read()throws IOException, int available() throws IOException, czytanie według konkretnych typów(IOException i typ prymitywny ew. objekt): readBoolean(), readByte, itp...
java.io. FileOutputStream konstruktory
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FileOutputStream(File file) throws FileNotFoundException, FileOutputStream(FileDescriptor fdObj), FileOutputStream(String name) throws FileNotFoundException, FileOutputStream(File file, boolean append) throws FileNotFoundException, FileOutputStream(String name, boolean append) throws FileNotFoundException
java.io. FileOutputStream metody
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void close() throws IOException, void write(byte[] b) throws IOException, void write(byte[] b, int off, int len) throws IOException, void write(int b) throws IOException
java.io. FileInputStream konstruktory
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FileInputStream(File file) throws FileNotFoundException, FileInputStream(FileDescriptor fdObj), FileInputStream(String name) throws FileNotFoundException
java.io. FileInputStream metody
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int available() throws IOException, void close() throws IOException, void finalize() throws IOException, int read() throws IOException, int read(byte[] b) throws IOException

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