Please help me write the following method:public static java.lang.String mergePreservingRuns(java.lang.String t, java.lang.String s)
Merges two strings together, using alternating characters fromeach, except that runs of the same character are kept together. Forexample,
mergePreservingRuns(“abcde”, “xyz”) returns “axbyczde”
mergePreservingRuns(“abbbbcde”, “xyzzz”) returns”axbbbbyczzzde”
Either or both of the strings may be empty. If the first stringis nonempty, its
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