RandomAccessFile raf=null;
try {
raf=new RandomAccessFile("E:/test.txt", "rw");
raf.writeChars("大哥你a家有400斤鸭吗?送到巴拿马");
System.out.println(raf.getFilePointer());//32
raf.seek(4);
System.out.println(raf.getFilePointer());//4
char c=raf.readChar();
System.out.println(c);//你
System.out.println(raf.getFilePointer());//6
raf.writeInt(10);
System.out.println(raf.getFilePointer());//10
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
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