Question

What does the expression string1 + string2 do?

Cosmo · Accepted Answer

It is string concatenation expression - it appends second string to a first one

Cosmo · Accepted Answer

Concatenates string1 and string2.

Cosmo · Answer

It's a syntax error.

Cosmo · Answer

Repeats string1 string2 times (string2 must be in numeric format).

Cosmo · Answer

Adds string1 to string2 (both must be in numeric format).