To excel in a java skill test, mastering certain core topics is essential. Start with data types, control flow, and object-oriented programming concepts like inheritance and polymorphism. Collections framework, exception handling, and file I/O are also crucial. For advanced java skill test levels, focus on multithreading, stream API, lambda expressions, and JDBC. Don’t forget to revie... https://www.app.scholarhat.com/skill-challenge/java