单选题

选项中哪一行代码可以替换 //add code here 而不产生编译错误

Question

选项中哪一行代码可以替换 //add code here 而不产生编译错误

public abstract class MyClass {
     public int constInt = 5
     //add code here
     public void method() {
     } 

}

A. public abstract void method(int a)

B. consInt=constInt+5

C. public int method()

D. public abstract void anotherMethod(){}