A.new InputStreamReader(new FileInputStream("1.dat"))
B.new InputStreamReader(new FileReader("1.dat"))
C.new InputStreamReader(new BufferedReader("1.dat"))
D.new InputStreamReader("1.dat")
A.shortx[1]
B.short[]y
C.short[5]x2
D.shortz2[5]
A._myString
B.$?a+b
C.myString
D.9myString