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Mida teeb järgnev?
try (
OutputStream output = new FileOutputStream("fail.txt");
PrintStream printOut = new PrintStream(output)
){
System.setOut(printOut);
}
Puhver ajutiselt salvestab ja säilitab andmeid enne nende sihtkohta saatmist.
Baidivooga saab lugeda faili ridahaaval.
Vali õige väide.
InputStream sisse = new FileInputStream("fail.txt");
OutputStream välja = new FileOutputStream("koopia.txt");
int c;
while ((c = sisse.read()) != -1) {
välja.write(c);
}
Kõik vood ainult kannavad andmeid tootja ja tarbija vahel.
Vali õiged väited.
Mis on baidivoo lõputunnuseks?
Konstruktsioon
BufferedReader sisse = new BufferedReader(new InputStreamReader(new URL(a).openStream()));
on ebakorrektne.Kui faili temp.txt ei ole olemas, siis new File("temp.txt")
Mis ilmub ekraanile?
try (RandomAccessFile raf = new RandomAccessFile("raf.dat", "rw")) { raf.writeInt(10); raf.writeDouble(4.5); raf.writeInt(15); raf.writeInt(6); raf.seek(12); System.out.println(raf.readInt());}
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