Suppose for instance, you want to convert a simple web application to a maven project,
- You will need to create a pom file with groupId, artifactId and version (packaging: war)
 
- Then, you need to add the required dependencies to the pom file
 
- Next, you will have to move the
- java sources to src/main/java,
 
- resources to src/main/resources,
 
- webapp content to src/main/webapp,
 
- test content to src/test/java and src/test/resources
 
 
- set the compiler compliance version using the maven compiler plugin
 
This should do!