Read file line by line in java example

Are exceptions just lost? Thanks in advance! Add a comment. Active Oldest Votes. You can do with AsyncFile and RecordParser as you said. With the code above, the file will be closed properly. Thanks for the explanation! Do you have any comment on whether I need Pump in this case? Any examples of how to implement it? In this case, you would create the RecordParser by wrapping the AsyncFile.

If it doesn't emit the last item then I think it's a bug — tsegismont. Sign up or log in Sign up using Google. Thank you. Eran k 49 49 gold badges silver badges bronze badges. Your question is not clear to me. What do you want to do with the three elements? Don't store it if you don't want to — user7.

What about Files. Maybe it is not that much But yes, there may be far better ideas. Show 4 more comments. Active Oldest Votes. You can map to an array by splitting each line, then call the method you want. Add a comment. The method lines you are using already does what you expect it to do.

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How to design a vending machine in Java? How HashMap works in Java? For example, the text file has data of student roll number and name line by line. So how you will do it? There are many ways to do it in java. In this tutorial, you will learn about Reading file line by line in Java using the scanner class and more ways with examples. If you are looking only for reading a file then follow this tutorial link — Java Read File Text. The first example, you can look a screenshot of project structure.

And Output will be the same for all examples because using the same file.