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Java and Scala's Type Systems are Unsound: The Existential Crisis of Null Pointers

Related publications (66)

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Status of JMAD, the Java API for MADX

Xavier Buffat

MadX (Methodical Accelerator Design) is the de-facto standard software for modeling accelerator lattices at CERN. This feature-rich software package is implemented and still maintained in the programming languages C and FORTRAN. Nevertheless the controls e ...

2011

Type Classes as Objects and Implicits

Martin Odersky

Type classes were originally developed in Haskell as a disciplined alternative to ad-hoc polymorphism. Type classes have been shown to provide a type-safe solution to important challenges in software engineering and programming languages such as, for examp ...

ACM2010

Improving API Documentation for Java-like Languages

Gilles Dubochet, Donna Malayeri

The Javadoc paradigm for displaying API documentation to users is quite popular, with similar variants existing for many mainstream languages. However, two user interface design properties of Javadoc may reduce its utility when displaying documentation for ...

2010

Precise static analysis of untrusted driver binaries

Johannes Kinder

Most closed source drivers installed on desktop systems today have never been exposed to formal analysis. Without vendor support, the only way to make these often hastily written, yet critical programs accessible to static analysis is to directly work at t ...

IEEE2010

Programming language abstractions for mobile code

Stéphane Micheloud

Scala is a general-purpose programming language developed at EPFL. It combines the most important concepts found in object-oriented and functional languages. Scala is a statically typed language; in particular it features an advanced type system and suppor ...

EPFL2009

On Complete Functional Synthesis

Viktor Kuncak, Mikaël Mayer, Philippe Paul Henri Suter, Ruzica Piskac

Synthesis of program fragments from specifications can make programs easier to write and easier to reason about. To integrate synthesis into programming languages, synthesis algorithms should behave in a predictable way---they should succeed for a well-def ...

2009

Object-oriented pattern matching

Burak Emir

Pattern matching is a programming language construct considered essential in functional programming. Its purpose is to inspect and decompose data. Instead, object-oriented programming languages do not have a dedicated construct for this purpose. A possible ...

EPFL2007

Singularity: Rethinking the Software Stack

James Richard Larus

Every operating system embodies a collection of design decisions. Many of the decisions behind today's most popular operating systems have remained unchanged, even as hardware and software have evolved. Operating systems form the foundation of almost every ...

ACM2007

Deadlock detection for synchronous Java

Duy Vo Duc

The aim of this thesis is to construct toolsets that support the Synchronous Java programming language, an extension to the Java language that introduces a new method of synchronization between threads. The contributions of this thesis include a State Spac ...

EPFL2007

Efficient Distributed Subtyping Tests

Rachid Guerraoui, João Barreto, Patrick Eugster

Subtyping tests are essential in typed publish/subscribe infrastructures, especially when the underlying programming language supports subtype conformance, as in Java or C#. These tests are particularly challenging when the publish/subscribe infrastructure ...

2007