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Intro
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Classroom Contents
Preventing Null Pointer Exceptions at Compile Time
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- 1 Intro
- 2 Java's type system is too weak
- 3 Specification 1: non-null parameter
- 4 Specification 2: nullable parameter
- 5 Solution: Pluggable Type Checking
- 6 Optional Type Checking
- 7 The Checker Framework
- 8 Benefits of type systems
- 9 Comparison: other nullness tools
- 10 Java 8 extends annotation syntax
- 11 Java 6 & 7 compatibility (or avoid dependency on Checker Framework)
- 12 Lazy initialization and persistence across side effects
- 13 Map key example
- 14 Optional checks
- 15 Cost of software failures
- 16 Example: Regex Checker
- 17 Example type systems
- 18 Tips for pluggable type-checking
- 19 Pluggable type-checking improves code
