Quiz of the day | OCPJP (18)

Given:

2. interface A { void a(); }
3. // insert code here

Which code, inserted independently at line 3, will compile? (Choose

all that apply.)

A. interface B extends A { }
B. interface B extends A { void a(); }
C. interface B extends A { void doA(); }
D. interface B extends A { void a() { ; } }
E. interface B extends A { protected void a(); }
F. interface B extends A { void a(); void doA(); }


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