Test Java

Java is an Open Source programming language that has become widely used over the past 15 years.

Here is our most famous language test, it covers a wide range of skills such as:

1. Understanding of the basic concepts of the Java language (classes, interfaces, inheritance, encapsulation, overloading, polymorphism).
2. Knowledge of access modifiers (public, private, protected) and keywords (final, static, synchronized, etc.).
3. Mastery of Java collections and their implementations (ArrayList, HashMap, HashSet, LinkedHashMap, etc.).
4. Knowledge of classes and interfaces for manipulating character strings (String, StringBuilder, etc.).
5. Understanding of input/output concepts (InputStream, InputStreamReader, etc.).
6. Knowledge of multi-threading concepts (Thread, monitor, synchronization, etc.).
7. Understanding of memory management and Garbage Collector (G1, Serial GC, etc.).
8. Knowledge of new features in recent versions of Java (Java 11, Java 17).
9. Mastery of concepts related to serialization (Serializable, Externalizable, etc.).
10. Familiarity with Design Patterns (Decorator, Visitor, etc.).

We hope you will like it !