Question

interface Base{ boolean m1 (); byte m2(short s); }

which two code fragments will compile?
1. interface Base2 implements Base {} 2. abstract class Class2 extends Base { public boolean m1(){ return true; }} 3. abstract class Class2 implements Base {} 4. abstract class Class2 implements Base { public boolean m1(){ return (7 > 4); }} 5. abstract class Class2 implements Base { protected boolean m1(){ return (5 > 7) }}
A.1 and 2
B.2 and 3
C.3 and 4
D.1 and 3

Answer 1

the fragment which compile is the interface base to implements base to abstract class class to extend base

the correct option is B

Answer 2

ⓗⓔⓨ ⓕⓡⓘⓔⓝⓓ



⊙ It's option B