Java RandomAccessFile.readChar()
Syntax
RandomAccessFile.readChar() has the following syntax.
public final char readChar() throws IOException
Example
In the following code shows how to use RandomAccessFile.readChar() method.
/*from w w w. jav a2s . co m*/
import java.io.*;
public class Main {
public static void main(String[] args) {
try {
char c = 'J';
RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");
// write something in the file
raf.writeChar('A');
// set the file pointer at 0 position
raf.seek(0);
// read char
System.out.println(raf.readChar());
// set the file pointer at 0 position
raf.seek(0);
// write a char at the start
raf.writeChar(c);
// set the file pointer at 0 position
raf.seek(0);
System.out.println(raf.readChar());
raf.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
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