Posts by Nayana Ciuro • 31 points
3 posts
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answer133
viewsQ: Read data from a file and save to a Set, but Set is null
I’m trying to read a txt file, select a specific column called "customerid", take all the values from that column and show on the screen how many different values there are. But when I try to do…
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answer1219
viewsQ: String readline() in Java
I’m having difficulty instantiating the readline() method correctly in java so that you read the file, run the while loop and write the desired data. If anyone can help me, I’d really appreciate it!…
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answers278
viewsQ: How to delete line in Mysql and php
Can someone help me? I’m a beginner in programming and I’m not being able to delete, through a button, no line in the database by ID. I have tried to solve several ways but it simply assumes that…