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Thomas Czogalik edited this page Sep 4, 2018 · 3 revisions

Scripting Language vs. Programming Language
- Scripting languages are programming languages that don't require an explicit compilation step.
what does static keyword mean?
- variable or method marked as such is available at the class level. In other words, you don't need to create an instance of the class to access it.
- a static field is shared by all instances of the class
design by contract
- software designers should define formal, precise and verifiable interface specifications for software components
- with preconditions, postconditions and invariants
- For Example (Java):
  - OpenJML
  - Bean Validation