1.publicinterfaceA{2.publicvoiddoSomething(Stringthing);3.}1.publicclassAImplimplementsA{2.publicvoiddoSomething(Stringmsg){}3.}1.publicclassB{2.publicAdoit(){3.//morecodehere4.}5.6.publicStringexecute(){7.//morecodehere8.}9.}1.publicclassCextendsB{2.publ

题目

1.publicinterfaceA{

2.publicvoiddoSomething(Stringthing);

3.}

1.publicclassAImplimplementsA{

2.publicvoiddoSomething(Stringmsg){}

3.}

1.publicclassB{

2.publicAdoit(){

3.//morecodehere

4.}

5.

6.publicStringexecute(){

7.//morecodehere

8.}

9.}

1.publicclassCextendsB{

2.publicAImpldoit(){

3.//morecodehere

4.}

5.

6.publicObjectexecute(){

7.//morecodehere

8.}

9.}

Whichstatementistrueabouttheclassesandinterfacesintheexhibit?()


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