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We present a rationale for a selection of tools that assist developers of hard real-time applications to verify that programs conform to a Java real-time profile and that platform-specific resource constraints are satisfied. These tools are specialised instances of more generic static analysis and model checking frameworks. The concepts are illustrated by two case studies, and the strengths and the...
We present a compositional approach to schedul ability analysis of safety-critical Java programs. We introduce a specification language in order to write abstract behavioural specifications regarding task execution-time and use of resources. Schedulabilty is checked on a model composed of the abstract specifications, possibly before any implementation, and as the specifications are implemented, these...
Just like other software, Java profiles benefits from refactoring when they have been used and have evolved for some time. This paper presents a refactoring of the Real-Time Specification for Java (RTSJ) and the Safety Critical Java (SCJ) profile (JSR-302). It highlights core concepts and makes it a suitable foundation for the proposed levels of SCJ. The ongoing work of specifying the SCJ profile...
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