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Mixing generic and nongeneric code can produce unexpected results and exceptional conditions.

Rule	Severity	Likelihood	Remediation Cost	Priority	Level
OBJ03-J	Low	Probable	Medium	P4	L3

Automated Detection

Tool	Version	Checker	Description
Parasoft Jtest

9.5CODSTA.EPC.AGBPTImplemented

Include Page

	Parasoft_V
	Parasoft_V

CERT.OBJ03.AGBPT

Avoid conversions from parameterized types to raw types

[Bloch 2008]	Item 23, "Don't Use Raw Types in New Code"
[Bloch 2007]


[Bloch 2005]	Puzzle 88, "Raw Deal"
[Darwin 2004]	Section 8.3, "Avoid Casting by Using Generics"
[JavaGenerics 2004]


[Java Tutorials]	"Heap Pollution"
[JLS 2015]	§4.8, "Raw Types" §4.12.2, "Variables of Reference Type" Chapter 5, "Conversions and Promotions" §5.1.9, "Unchecked Conversion"
[Langer 2008]	Topic 3, "Coping with Legacy"
[Naftalin 2006]	Chapter 8, "Effective Generics"
[Naftalin 2006b]	"Principle of Indecent Exposure"
[Schildt 2007]	"Create a Checked Collection"

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