字符串比较不按预期工作。我想比较两个String值，但比较似乎总是给出一个真实的结果

I am fetching column values from my DB (Which is working fine) then I am putting these values into 'String X' one at a time as it loops. In the same loop I want to compare the values supplied to me by the user through UI with X and based on this comparison I want x to be true or false. But x always shows true! Here is my code: I am fetching column values from my DB (Which i