以下关于方法声明中正确的是()
A: A.public final writeLog(String msg)
B: B.public final abstract void writeLog(String msg)
C: C.public static final void writeLog(String msg)
D: D.public static abstract void writeLog(String msg)
A: A.public final writeLog(String msg)
B: B.public final abstract void writeLog(String msg)
C: C.public static final void writeLog(String msg)
D: D.public static abstract void writeLog(String msg)
举一反三
- 下面那个方法声明是正确的—— A: abstract final String doItYourSelf(){} B: public abstract doItYourself(){} C: private static void doItYourself(){} D: public abstract static void doItYourself(){}
- 关于Java应用程序的主方法,哪些声明是正确的?() A: public static void main(String [ ] args) B: public static void main(String args[ ]) C: public static void main(string [ ] args) D: public static void main(String args)
- 以下抽象类的定义中,错误的是?() A: abstract class Demo1{} B: abstract class Demo2{ public abstract String fun(String a); } C: abstract class Demo3{ public String fun(){ return "CZBK"; } } D: abstract class Demo4{ public static final String CZBK = "传智播客"; abstract void fun(){} }
- 以下抽象类的定义中,错误的是?() A: abstract class Demo1{ } B: abstract class Demo2{ public abstract String fun(String a); } C: abstract class Demo3{ public String fun(){ return "abc"; } } D: abstract class Demo4{ public static final String str = "abcde"; abstract void fun(){} }
- 以下哪个main()方法的声明能够作为程序的入口方法? A: public static void main() B: public static void main(String[] string) C: public static void main(String args) D: static public int main(String[] args) E: static void main(String[] args)