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JAVA

Últimas noticias sobre Java: lanzamientos, polémicas y lo que significa para ti, actualizado cada día.

21 oct 2026

Solved exercise: classes and objects with a wallet in Java

Solved Java exercise on classes and objects: encapsulation, validation and a prepaid wallet with balance in cents, with tests and common mi...

Guía 20 oct 2026 4 min

Pasos prácticos para llevar tu código de StructuredTaskScope a JDK 28 tras la JEP 543: qué cambia desde JDK 27, JDK 25 y JDK 26, y cómo ada...

Guide 20 oct 2026 3 min

Practical steps to bring your StructuredTaskScope code to JDK 28 after JEP 543: what's changed since JDK 27, JDK 25 and JDK 26, and how to ...

Solved exercise 19 oct 2026 10 min

Java exam exercise on classes, collections and custom checked exceptions: a warehouse inventory with validated stock movements, solved and ...

Solved exercise 18 oct 2026 11 min

Solved exam exercise in Java: count out-of-order pairs in an array in O(n log n) by modifying merge sort, with hints, a trace and typical m...

Ejercicio resuelto 18 oct 2026 12 min

Ejercicio de examen resuelto en Java: contar parejas desordenadas de un vector en O(n log n) modificando mergesort, con pistas, trazas y er...

Solved exercise 16 oct 2026 14 min

Solved Java exam exercise: split an array among K threads, accumulate with synchronized and wait with join, with tested code and common mis...

Solved exercise 14 oct 2026 11 min

Serialize a warehouse to a working file with Serializable and transient, then reload it with readObject and rebuild the derived total value...

Solved exercise 12 oct 2026 10 min

Solved Java exercise on interfaces: contracts, classes implementing several interfaces and default methods, with tested code and a full exp...

Solved exercise 9 oct 2026 13 min

Solved Java exam exercise: a shape collection built on an abstract class, overridden methods and dynamic binding, with hints, tested code a...