: Essential helper classes and the Collections Framework. File Management : NIO.2 and standard file I/O.
According to the table of contents from Rheinwerk Verlag and related syllabus, specific focus areas include: : Historical background and setup. Imperative Concepts : Basic syntax and control flow. Classes and Objects : The heart of OOP. String Handling : Deep dive into the String class. Exceptions : Robust error management. Nested Classes : Inner, local, and anonymous classes. Generics : Parameterized types. Lambda Expressions : Functional style introduced in Java 8. Java ist auch eine Insel - 12. Auflage
Object-Oriented Programming (OOP) including classes, objects, inheritance, and interfaces. Exception handling (try-catch blocks). : Essential helper classes and the Collections Framework