In the below code, which code fragment should be inserted at line 3 so that the output will be: 234pqr 234pqr ?

strbuilder .append( pqr ); str.append( pqr );

strbuilder .append( pqr ); str.concat( pqr );

strbuilder .append( pqr ); str1 = str1.concat( pqr );

strbuilder .concat( pqr ); str.append( pqr );

In the below code, which code fragment should be inserted at line 3 so

1.	In the below code, which code fragment should be inserted at line 3 so that the output will be: 234pqr 234pqr ?
A.	strbuilder .append( pqr ); str.concat( pqr );
B.	strbuilder .append( pqr ); str1 = str1.concat( pqr );
C.	strbuilder .append( pqr ); str.append( pqr );
D.	strbuilder .concat( pqr ); str.append( pqr );
E.	None of these
Answer» C. strbuilder .append( pqr ); str.append( pqr );

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In the below code, which code fragment should be inserted at line 3 so that the output will be: 234pqr 234pqr ?

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