Recent activity by vitya_brodov

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How do I spar the date from Excel into java?

How do I spar the date from Excel into java? When you try to save an excel-file and write it into an object, it throws an exception about Cannot get a numeric value from a text cell in the date field. Question: ...

commented Dec 19, 2021

6 answers

Is it okay to sit and parse documents?

Is it okay to sit and parse documents? After I finished my internship, I got a job at a bank as a java developer. I've been working at a bank for about six months now. The main tasks are parsing Excel and o ...

commented Dec 19, 2021

1 answer

How do I get an ftp file that is as up-to-date as possible?

How do I get an ftp file that is as up-to-date as possible? Task: Select the most recent file from the FTP server and send it via email; The question is how can this be implemented/designed? I have implemented the functionalit ...

asked Dec 16, 2021

1 answer

Как решить проблему Error creating bean with name 'entityManagerFactory' defined in class path resource?

Как решить проблему Error creating bean with name 'entityManagerFactory' defined in class path resource? There is a problem when running the application: Error creating bean with name 'entityManagerFactory' defined in class path resource how can the problem be solved? (Go ...

commented Dec 16, 2021

1 answer

How do I make a todo list text editor?

How do I make a todo list text editor? There is the most common Todo project, with buttons to delete and update the status of the task. Question: How can I implement a button to edit task text? screen: co ...

commented Dec 16, 2021

1 answer

How do I set the date pattern correctly in java?

How do I set the date pattern correctly in java? I have a LocalDateTime, which is set in the format: 2021-08-18T00:48:02.4089693 How can I get it to accept only in the pattern: year/month/day hour/minute? ...

commented Dec 15, 2021

1 answer

Why doesn't the class beat?

Why doesn't the class beat? Hello! when using Lombok, it works somehow crooked (maybe) For example, the class doesn't build: ErrorDto class:@Builder@NoArgsConstructor@AllArgsConstructorpublic c ...

asked Dec 13, 2021

1 answer

Why can't Spring boot see the annotation?

Why can't Spring boot see the annotation? Why can't Spring boot see the annotation? How can the problem be solved? (Annotations glow red) code: import org.modelmapper.ModelMapper;import org.springframework. ...

commented Dec 10, 2021

1 answer

Как быть с ошибкой: Error creating bean with name 'dataSourceScriptDatabaseInitializer' defined in class path?

Как быть с ошибкой: Error creating bean with name 'dataSourceScriptDatabaseInitializer' defined in class path? Hello, everyone! When connecting postgresql to intellij idea it throws an error at startup: I think I got everything right in the properties: spring.datasource.url= j ...

commented Dec 7, 2021

1 answer

How do I install intellij idea back?

How do I install intellij idea back? I uninstalled the idea, then I try to install it again, but it just opens it and that's it! What to do? p.s OC - linux mint p.s.s Install through the package manager ...

commented Dec 4, 2021

1 answer

Error when building the project, what to do?

Error when building the project, what to do? An error occurs when building the project: Abnormal build process termination: Even with a hello world project! (I have jdk 11 and 8, it did not help.) ...

asked Dec 2, 2021

1 answer

How do I spar the json using hhtpUrlConnection?

How do I spar the json using hhtpUrlConnection? Here's the link https://jsonplaceholder.typicode.com/posts I have a json, my task is to spar the json which contains an array of objects, then convert it to classes an ...

asked Dec 2, 2021

3 answers

Where to go next after java core?

Where to go next after java core? Hello! I have mastered java core and do not know where to go next, Please advise where to look next? P.s aiming for the backend ...

asked Dec 1, 2021

1 answer

Is it possible to spar the josn file without creating its object?

Is it possible to spar the josn file without creating its object? I have a json file: people.json and trace code: Gson gson = new Gson(); Person person = new Person(); try{ FileReader fr = new FileReader("/ ...

asked Nov 28, 2021

1 answer

How much should a sql java junior know?

How much should a sql java junior know? Hello! At this time I am at the stage of learning java core and here I wondered whether to learn sql at this stage or not to bother with it yet? ...

asked Nov 25, 2021

2 answers

Polymorphism is reverse inheritance?

Polymorphism is reverse inheritance? Is it correct to consider polymorphism as reverse inheritance? That is: the ability of the ancestor to apply the fields and methods of the child class? If not, can you ...

asked Nov 22, 2021

2 answers

Why is Queue needed?

Why is Queue needed? Hello! I can't understand why Queue/Deque is needed. 1. How to use it? 2. In what cases does it apply? 3. How often is it used in practice? p.s I would be glad if ...

asked Nov 19, 2021

2 answers

How to create two lists with unique numbers?

How to create two lists with unique numbers? Hello! I need to do: Create two lists of 10 elements from 1 to 100. Check on which attempt to create lists with unique values. how do I do this correctly? What I do: ...

asked Nov 14, 2021

1 answer

How do I add random objects to a List?

How do I add random objects to a List? Good evening! I have a Seller class that has: fields: private int money = random.nextInt(50)+50; // Начальное количество денег от 50 до 100 монет private ...

answered Nov 12, 2021

1 answer

How do I read data from a json file and enter it on the screen?

How do I read data from a json file and enter it on the screen? Hello! there is a json file data.json from which I try to read data, but the compiler says "I expected something different, but you're giving me junk. what's wrong wi ...

asked Nov 11, 2021

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