A.FileInputStream in=new FileInputStream("file.dat");in.skip(9);intc=in.read()
	B.FileInputStream in=new FileInputStream("file.dat");in.skip(10);intc=in.read()
	C.FileInputStream in=new FileInputStream("file.dat");intc=in.read()
	D.RandomAccessFile in=new RandomAccessFile("file.dat");in.skip(9);intc=in.readByte()
 
                            
	A.byte=128;
	B.Boolean=null;
	C.longl=0xfffL;
	D.double=0.9239d;
