February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Section 20.4 Additional Compile-Time Translation Issues: Methods That Use a Type Parameter as the Return Type
• When a generic method is compiled, the compiler performs erasure (p. 848) to remove the type-parameter section and replace the type parameters with actual types. By default each type parameter is replaced with its upper bound (p. 848), which is Object unless specified otherwise.
• When erasure is performed on a method that returns a type variable (p. 848), explicit casts are inserted in front of each method call to ensure that the returned value has the type expected by the caller.
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