RandomAccessFile: readChar() : RandomAccessFile « java.io « Java by API






  1. Java by API
  2. java.io
  3. RandomAccessFile

RandomAccessFile: readChar()

 


import java.io.File;
import java.io.RandomAccessFile;

public class Main {
  public static void main(String[] argv) throws Exception {
    File f = new File("filename");
    RandomAccessFile raf = new RandomAccessFile(f, "rw");

    // Read a character
    char ch = raf.readChar();

    // Seek to end of file
    raf.seek(f.length());

    // Append to the end
    raf.writeChars("aString");
    raf.close();
  }
}








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4.RandomAccessFile: getFilePointer()
5.RandomAccessFile: length()
6.RandomAccessFile: read(byte[] b)
7.RandomAccessFile: readBoolean()
8.RandomAccessFile: readByte()
9.RandomAccessFile: readDouble()
10.RandomAccessFile: readInt()
11.RandomAccessFile: readLine()
12.RandomAccessFile: seek(long pos)
13.RandomAccessFile: write(byte[] b)
14.RandomAccessFile: writeBoolean(boolean v)
15.RandomAccessFile: writeBytes(String s)
16.RandomAccessFile: writeChar(int v)
17.RandomAccessFile: writeChars(String s)
18.RandomAccessFile: writeDouble(double v)
19.RandomAccessFile: writeInt(int v)
20.RandomAccessFile: writeUTF(String str)