Java API I/O

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質問 答え
java.io. File mozliwe konstruktory
学び始める
(no exceptions) File(String pathname), File(String parent, String child), File(URI uri), File(File parent, String child)
java.io. File tworzenie nowego pliku
学び始める
boolean createNewFile()
java.io. File tworzenie nowego katalogu
学び始める
boolean mkdir() oraz boolean mkdirs() - tworzy całą scieżkę katalogów
java.io. File usuwanie pliku lub katalogu
学び始める
boolean delete()
java.io. File sprawdzenie czy File to katalog
学び始める
boolean isDirectory()
java.io. File sprawdzenie czy File to plik
学び始める
boolean isFile()
java.io. File rozmiar pliku
学び始める
long length()
java.io. File zwraca listę plików i podkatalogów
学び始める
File[] listFiles()
java.io. File zwraca listę głównych katalogów w systemie
学び始める
File[] listRoots()
java.io. File zmiana nazwy pliku lub katalogu
学び始める
boolean renameTo(File dest)
java.io. FileReader konstruktory
学び始める
FileReader(File file) throws FileNotFoundException, FileReader(FileDescriptor fd), FileReader(String fileName) throws FileNotFoundException
java.io. FileReader metody
学び始める
dziedziczone z java.io. InputStreamReader: int read() throws IOException, void close() throws IOException, boolean ready() throws IOException, String getEncoding()
java.io. FileWriter konstruktory
学び始める
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
学び始める
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
学び始める
BufferedWriter(Writer out), BufferedWriter(Writer out, int sz)
java.io. BufferedWriter metody
学び始める
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
学び始める
BufferedReader(Reader in), BufferedReader(Reader in, int sz)
java.io. BufferedReader metody
学び始める
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
学び始める
PrintWriter(File file) throws FileNotFoundException, PrintWriter(String fileName) throws FileNotFoundException, PrintWriter(OutputStream out), PrintWriter(Writer out)
java.io. PrintWriter metody
学び始める
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
学び始める
public ObjectOutputStream(OutputStream out) throws IOException, protected ObjectOutputStream() throws IOException, SecurityException
java.io. ObjectOutputStream metody
学び始める
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
学び始める
public ObjectInputStream(InputStream in) throws IOException, protected ObjectInputStream() throws IOException, SecurityException
java.io. ObjectInputStream metody
学び始める
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
学び始める
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
学び始める
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
学び始める
FileInputStream(File file) throws FileNotFoundException, FileInputStream(FileDescriptor fdObj), FileInputStream(String name) throws FileNotFoundException
java.io. FileInputStream metody
学び始める
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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