The default contructor makes an empty string: ""
A string from a single charater 'p': "p"
A string from a literal string "abc": "abc"
A string copied from the previous string "abc": "abc"
A string assigned a single charater 'q': "q"
A string initialized with a single charater 'r': "r"
A string assigned a literal string "ijk": "ijk"
A string initialized with a literal string "lmn": "lmn"
A string assigned a String object "ijk": "ijk"
A string initialized with a String object "lmn": "lmn"
PASS string_assign (exit status: 0)