Everytime at around “composedLine = String.format(“%s, %s, %s, %s, %s”, composedLine, values[0], values[1], values[2], values[3]);” it produces “INSERT INTO airport VALUES (, ABR, Aberdeen Regional Airport, Aberdeen” instead of “INSERT INTO airport VALUES (ABR, Aberdeen Regional Airport, Aberdeen” which causes a syntax error when I use executeupdate due to the “,” before the ABR. Answer This code is a security
Tag: insert
How to add an object during ListIterator (reversed) iteration properly?
I have been asked from my professor to add an object in the middle of an ArrayedList
How to ensure uniqueness when elasticsearch is inserted in multithreading？
We have some documents of elasticsearch . The uniqueness of the document is determined by some fields together, how to ensure uniqueness when java multi-threading determines whether it exists and is inserted. I didn’t know what good method I had before, so I wrote a method: I guess if it exists, if it doesn’t exist, I insert it, and this