review for final of CSE142?
first question: ReferenceMystery

注釋掉toString method之后打印出(在memory里地址?)
why is this so --> ??

same issue
it seems like the first statement inside the for loop automatically call toString method and return "c"

review for final of CSE142?
first question: ReferenceMystery
注釋掉toString method之后打印出(在memory里地址?)
why is this so --> ??
same issue
it seems like the first statement inside the for loop automatically call toString method and return "c"