Learnstreet java lesson 3 part 8, reversing a string -

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question asks reverse characters "mug" set string "gum" tried suggested 

"mug".charat(2) + "mug".charat(1) + "mug".charat(0)

once input says incorrect

your code results integer 329, result of char plus char integer.

to reverse string, may use stringbuilder or stringbuffer 's reverse method:

new stringbuilder("mug").reverse().tostring()

or

new stringbuffer("mug").reverse().tostring()

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