interface Base{ boolean m1 (); byte m2(short s); } which two code fragments will

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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) }}

Answer: Option C

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