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Tag: java

Method chaining between child and parent classes

So imagine we have the following. I’m trying to do this, What are the possible ways to achieve this? And what’s the best one (convention)? Answer I’ve seen at least two approaches. Make Animal generic, and use the generic type as return type: Override the method like Alex R said in his comment. I prefer option 2, because a) it

Jgit – checkout from a specific branch

I am using jgit. I want to create and checkout a new branch. I have seen the git.checkout.createnewbranch command. Is there a way to specify the base branch for the checkout, say “test” (or) we have to checkout,pull “test” first and then checkout/create the new branch from it? Answer Yes, it’s possible: Don’t forget to call git.close() or use try-with-resources

Else If statement not recognizing If statement [closed]

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed last month. Improve this question I’m

Writing Content to a Text File with Currying

I’m trying to write to a text file using the above method by applying the concept of currying. The first lambda expression receives the file path as parameter and the second one takes in a String value that should be written to the text file. The write method receives a BiConsumer argument because data is written differently depending on the

How does JDBC DataSource works?

I wondered how works method getConnection() at DataSource? I assume that DataSource calling DriverManager.getConnection every time when we call DataSource.getConnection with our properties that we setting in DataSource. Is that true? Answer The answers to your question can be deduced from the DataSource javadoc. “The DataSource interface is implemented by a driver vendor. There are three types of implementations: Basic

Paketo BuildPacks Java JSON Log for Spring Boot Application

We are using Paketo BuildPacks for our Spring Boot application. We configured all logs to be JSON written to STDOUT. The issue is that there’s a few lines of logs by Paketo during startup: Is there any way to configure Paketo to print the above as JSON: Answer No, sorry. The logging format in Paketo Buildpacks, and the helpers (technical