Summary:

Java (Core, Collections, Generic, Threads)

Knowledge of OOP and basic development principles

Basic SQL knowledge ? Familiar with Java EE (Servlets, JSP)

Software and technologies: Eclipse IDE, Git

Skills:

Language: Java SE / EE (Servlets, JSP) - 1 year

Databases: SQL / JDBC, MySQL - 0.5 years

Application servers: Tomcat - 0.5 years

Build systems: Maven - 0.5 years