If you're set on Java jobs in Saxony-Anhalt, there aren't very many at the current time: we count 2. Maybe, you could try slightly farther afield. The available vacancies can be split up into main categories like Product Development and Software Design areas. School yourself in topics like Java EE, Eclipse, and Spring Framework as they are commonly mentioned in many at the current time available job opportunities.
On Jobspotting, you can find job opportunities for a wide variety of experience levels and apply filters to find the ones that are for you. Java internship positions are also available on Jobspotting. These make up 100% of all job opportunities. Why not have a look at jobs in another country to compare and contrast opportunities. Just use the Explore tab.