Java Backend Modernization
Beginner to Intermediate
Modernize Java backend skills from Java 8 through Java 25, JVM internals, virtual threads, concurrency models, Spring readiness, and domain modeling.
Beginner to Intermediate· 3 Topics· 292 Resources· Updated Jun 28, 2026
1
Modern Java Language
Not StartedMove from Java 8 lambdas and modules to records, sealed classes, pattern matching, and Java 25 features.
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JVM & Concurrency
Not StartedStudy garbage collection, virtual threads, ConcurrentHashMap internals, actors, CSP, and thread-safety.
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Backend Design
Not StartedApply DDD, SOLID, Spring readiness, Liskov substitution, and robust backend boundaries.
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