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 do I insert an Item at a certain Index in a Linked List?
I am working on a project for my Data Structures class that asks me to write a class to implement a linked list of ints. Use an inner class for the Node. Include the methods below. Write a tester to enable you to test all of the methods with whatever data you want in any order. I have to create
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<Employee> using listiterator. I have tried doing in the following way first: But this produces a seemingly infinite number of iterations where li.nextIndex() gets stuck on 5. I have verified this with the debugger and this happens only after li.add(emp_M) is evaluated. I have
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