Java – Generating a Maven POM from an existing project

idejavamaven-2

Do any of the IDEs (or any other tool for that matter) have the ability to generate a POM based on an existing project?

I ended up generating the POM with a Maven archetype as Peter and Sal suggested and then moving the existing source in. Thanks for the help guys.

Best Answer

One way to do this it to create a template project via maven archetype then move your existing code to the template. I would recommend this only for really simple projects. It would work something like this.

mvn archetype:generate 
mv src/* src/main/java
mv test/* src/test/java
mvn package

You'll get errors. To add the missing dependencies, go here: http://www.mvnrepository.com/ and start looking them up. If you pick an archetype close to what you need, you'll be half way there.

Once it all works.

svn commit -m "hacky maven port"

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Java – Create ArrayList from array

new ArrayList<>(Arrays.asList(array));

Java – How to call one constructor from another in Java

Yes, it is possible:

public class Foo {
    private int x;

    public Foo() {
        this(1);
    }

    public Foo(int x) {
        this.x = x;
    }
}

To chain to a particular superclass constructor instead of one in the same class, use super instead of this. Note that you can only chain to one constructor, and it has to be the first statement in your constructor body.

See also this related question, which is about C# but where the same principles apply.

Best Answer

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