下列各种Java类的定义,哪些是错误的?

A. class MyClass{private int Val;public int getVal() {return Val;}}
B. class MyClass{private static int Val;public int getVal() {return Val;}}
C. class MyClass{private int Val;public int getVal() {return Val;}}
D. class MyClass{private static int Val;public static int getVal() {return Val;}}