I need solution (beecrwod problem 1238 combiner| java language ) (please in java and no arrays )

Tienelimiti 1 implectent a program combiner that takes two Strings as parameters and combines the ph, alternating intsers, uarting With the first letter of the first sting, followed by the fint letter of the uncond string, then senond letter of fint sering. etc. The remaining leiters of the longer String are then appended to the end of the cosblation string and this combination string as returned. Input The input contains feverat test cases. The fitst tine of ingut contin an integer N thot indicbles che fumber of test casei. inclusive: Output Combine the bwo inpout serings, as sheven in the example below and peret the rriueing string