单选题:如下哪个是正确的接口?
如下哪个是正确的接口? @[D](2)
A. interface A { void print() { }; }
B. abstract interface A { print(); }
C. abstract interface A { abstract void print() { };}
D. interface A { void print();}
A.interface A { void print() { }; }
B.abstract interface A { print(); }
C.abstract interface A { abstract void print() { };}
D.interface A { void print();}
答案:D
A. interface A { void print() { }; }
B. abstract interface A { print(); }
C. abstract interface A { abstract void print() { };}
D. interface A { void print();}
A.interface A { void print() { }; }
B.abstract interface A { print(); }
C.abstract interface A { abstract void print() { };}
D.interface A { void print();}
答案:D