java.sql。SQLException:[SQLITE_ERROR] SQL错误或缺失数据库(接近" = ":语法错误)

I made the sqlite database using the firefox web development thing, saved it to my pc but I ran into some problem while linking the database. Whenever I click the login button to test I get "java.sql.SQLException:[SQLITE_ERROR] SQL error or missing database (near "=":syntax error)". He advise me to change the "//" to "\" within the database class and see if it worked but it didn't so if someone could look at the code and help me out it would greatly appreciated.I made the sqlite database using the firefox we